Vegetation - Mojave Desert for DRECP - Final [ds735]

SDE Feature Class

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Tags
vegetation, Mojave Desert, Desert Renewable Energy Conservation Plan, vegetation classification, photo interpretation, renewable energy, desert, biota, environment, ImageryBaseMapsEarthCover, biota, environment, imageryBaseMapsEarthCover, Inyo County, Kern County, Los Angeles County, San Bernardino County, Riverside County, Imperial County


Summary

The purpose of the vegetation map is to assist with the Desert Renewable Energy Conservation Plan (DRECP). This map will provide planners with detailed information to help identify high quality habitat and rare communities. Although the primary purpose of the map is to document vegetation communities, it also provides structural data such as herbaceous, shrub and tree cover, and information about the level of disturbance within the vegetation stand. These are important habitat factors for species covered in the DRECP, including the Mojave Ground Squirrel and Desert Tortoise. Please read the attribute descriptions for caveats.

Description

Aerial Information Systems (AIS) and the California Department of Fish and Wildlife (CDFW) Vegetation Classification and Mapping Program (VegCAMP) with assistance from the California Native Plant Society (CNPS) created a fine-scale vegetation map of portions of the Mojave and Colorado Deserts in California. Approximately six million acres spanning desert portions of Inyo, Kern, Los Angeles, San Bernardino, Riverside, and Imperial Counties were mapped between 2011 and 2012. In addition, mapping of 95,981acres within a portion of Rice and Vidal Valleys in the Colorado Desert portion of the Sonoran Desert was completed by AIS in 20132014. The maps were primarily produced to support the Desert Renewable Energy Conservation Plan (DRECP) by helping planners more accurately identify high quality habitat and rare communities as they consider renewable energy sources and conservation opportunities. Previous vegetation maps of the area were either large scale and generalized or they were detailed but covered a limited extent. Between 2014 and 2016, as an extension to supplement those mapping efforts, AIS was tasked to create a finescale vegetation map of 2,195,415 acres of desert in Inyo, San Bernardino, Riverside, and Imperial Counties in southern California. Areas mapped include the eastern and central portions of the Mojave Desert as well as the Lower Colorado Valley, also referred to as the Colorado Desert, and the Arizona Upland subdivisions of the Sonoran Desert. The U.S. Bureau of Land Management (BLM) contracted Aerial Information Systems, Inc. (AIS) to continue vegetation classification development and fine-scale vegetation mapping of 1,016,668 acres over four subareas within Inyo, Kern, and Imperial counties of the Desert Renewable Energy Conservation Plan (DRECP) region. The four subareas are designated as Salton Sea South (224,763 acres), Jawbone South (204,133 acres), Owens Valley (392,906 acres), and Picacho (194,866 acres).

The vegetation classification follows Federal Geographic Data Committee (FGDC) and National Vegetation Classification Standards (NVCS). The classification is based on previous survey and classification work. The map was produced applying heads-up digitizing techniques using a base of true-color and color infrared 2010, 2014, 2016 or 2018 one-meter National Agricultural Imagery Program (NAIP) imagery in conjunction with ancillary data and imagery sources. Map polygons were assessed for Vegetation Type, Percent Cover, Exotics, Development Disturbance, and other attributes. The minimum mapping unit (MMU) is 10 acres; exceptions are made for wetlands and certain wash types (which were mapped to a one or five acre MMU) and areas characterized as Land Use polygons (which were mapped to a 2.5 acre MMU). Field reconnaissance and accuracy assessment enhanced map quality. A total of 85,985 map polygons representing 180 vegetation map classes were developed. For detailed information please refer to the following reports:

Menke, J., E. Reyes, A. Glass, D. Johnson, and J. Reyes. 2013. 2013 California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA.

Vegetation Classification and Mapping Program (VegCAMP). 2013. 2013 California desert vegetation map and accuracy assessment in support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. California Department of Fish and Wildlife, Sacramento, CA.

Menke, J., E. Reyes, A. Hepburn, D. Johnson, and J. Reyes. 2016. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2014-2016 Additions). Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA.

Reyes, E., J. Evens, A. Glass, K. Sikes, T. Keeler-Wolf, S. Winitsky, D. Johnson, J. Menke, and A. Hepburn. 2020. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan, Contract L17PD01212. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA.

Reyes, E., A. Glass, J. Menke, J. Evens, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Winitsky, and A. Hepburn. 2021. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan, Contract L17PX00036. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA.

Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA.

Credits

Data was produced by Aerial Information Systems, CDFW's Biogeographic Data Branch and the University of California, Riverside Center for Conservation Biology.

Use limitations

CDFWs VegCAMP appreciates learning how these vegetation datasets are being used so that we can leverage support for classifying and mapping new areas and let users know of any updates. Please contact us at VegCAMP@wildlife.ca.gov or call any of the staff listed here: https://wildlife.ca.gov/Data/VegCAMP

License: This work is licensed under Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ ). Using the citation standards recommended for BIOS datasets ( https://www.wildlife.ca.gov/Data/BIOS/Citing-BIOS ) satisfies the attribution requirements of this license.

Disclaimer: The State makes no claims, promises, or guarantees about the accuracy, completeness, reliability, or adequacy of these data and expressly disclaims liability for errors and omissions in these data. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose, and freedom from computer virus, is given with respect to these data.

Extent

West -118.823919 East -113.982636
North 36.347300 South 32.559536

Scale Range
Maximum (zoomed in) 1:5,000
Minimum (zoomed out) 1:150,000,000

ArcGIS Metadata

Topics and Keywords

Themes or categories of the resource biota, environment, imageryBaseMapsEarthCover


* Content type Downloadable Data
Export to FGDC CSDGM XML format as Resource Description No

Place keywords Inyo County, Kern County, Los Angeles County, San Bernardino County, Riverside County, Imperial County

Thesaurus
Title ISO 19115 Category


HideThesaurus


Theme keywords vegetation, Mojave Desert, Desert Renewable Energy Conservation Plan, vegetation classification, photo interpretation, renewable energy, desert, biota, environment, ImageryBaseMapsEarthCover

Theme keywords biota, environment, imageryBaseMapsEarthCover

Thesaurus
Title ISO 19115 Topic Categories


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Citation

Title Vegetation - Mojave Desert for DRECP - Final [ds735]
Publication date 2024-04-2900:00:00


Presentation formats digital map
FGDC geospatial presentation format vector digital data


Other citation details
Reports link: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=62826 http://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=62825 https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=131751


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Citation Contacts

Responsible party
Organization's name Debbie Johnson, Aerial Information Systems, Inc., General Manager
Contact's role originator


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Resource Details

Dataset languages * English(UNITED STATES)
Dataset character set utf8 - 8 bit UCS Transfer Format


Status under development
Spatial representation type vector


Supplemental information
Classification The map classification is based largely on work done in the area for previous and ongoing projects: Vegetation Mapping of Anza-Borrego Desert State Park and Environs (Keeler-Wolf et al. 1998), the Mojave Desert Ecosystem Programs Vegetation Database (Thomas et al. 2004), Vegetation of Joshua Tree National Park (unpublished draft), and Vegetation Classification and Mapping at Lake Mead National Recreation Area, Mojave National Preserve and Death Valley National Park (in progress). VegCAMP collected an additional 98 Rapid Assessment vegetation field surveys in 2011 using the field form and protocol in Appendix A. Additional mapping classes are based on those 98 unclassified surveys; some of these are considered provisional until better understood (for example, the Ericameria cooperi Provisional Alliance). Types from all of these sources were compiled and placed within the NVCS hierarchy as interpreted by VegCAMP in March of 2011. See Appendices B and C for the classification hierarchy and field key to vegetation types, respectively. Delineation Rules Lines are drawn both to distinguish between types (MapUnits) and to indicate vegetation cover breaks within a type. The following minimum mapping units are observed while making these delineations: 1 acre for wetlands and certain wash types, 2.5 acres for areas characterized as human land use, and 10 acres for all other polygons. An additional guideline establishes the approximate minimum width of a polygon: washes and riparian stands must be 90 ft. wide and upland vegetation must be 330 ft. wide. The appropriate MMUs must still be observed. This guideline isn't meant to exclude polygons where a small section falls below the minimum width, as long as the greater portion of the polygon meets the stated criteria. Land use, including towns, mining, agriculture, and individual settlements, was handled using a special set of rules. These were designed to separate larger urban tracts as a whole, and to maintain the ability to have a vegetation type on a lightly used or re-vegetating area. Reconnaissance Between February 2011 and March 2012, AIS and VegCAMP staff conducted field trips throughout the mapping area with 1-2 crews per trip to perform reconnaissance of vegetation types. This reconnaissance allowed better matching of the vegetation with the signatures seen on the imagery. Dr. Todd Keeler-Wolf of VegCAMP accompanied AIS on all but one of their trips and thus assured better calibration among reconnaissance teams. Additionally, California Native Plant Society (CNPS) staff attended two of the reconnaissance trips to better understand the classification in the area for which they were contracted to conduct an accuracy assessment of the map (discussed below). During reconnaissance, crews traversed the study areas in vehicles, stopping to assess the vegetation types at various points. GPS points were taken and observations were recorded for vegetation type and cover at that point. Observations were also made for vegetation seen at a distance, with the point of observation determined using a compass and laser rangefinder. Points were frequently taken to mark the transition from one vegetation type to another, to help the photointerpreter determine the location of the edges of stands. Sometimes one observation contained information about two or more stands, and other times the same stand was assessed in multiple places. Approximately 6600 reconnaissance observations were made. See Menke et al. (2013) for details on AISs reconnaissance trips and a map of the locations of all reconnaissance points. The form used by VegCAMP staff during reconnaissance surveys can be found in Appendix E. Accuracy Assessment From October 2011 through December 2012, the accuracy of mapped polygons was assessed at 3,078 point locations in the field throughout the mapping area; these are herein referred to as AAPs. The AAPs were stand-based, that is, both the type and the extent of the polygon were evaluated when possible. When a mapped polygon could be divided due to the presence of multiple types within the given MMU standards, an assessment was done for each type. All of the cover values and disturbance attributes except roadedness were assessed when possible. In the office, data from the field AAP forms were entered into an Access database that allowed the vegetation type recorded by the photointerpreter (PI) to be scored using the field surveys. Cover and disturbance attributes were not scored, but were provided as feedback to the PIs. If the field crews could not identify the vegetation type based on the field key, senior VegCAMP or CNPS staff assigned the correct type, when possible, based on the species covers recorded, any additional notes taken by the field crews, and field photos. All field calls were reviewed and a "Final call" was recorded in the database when possible. A fuzzy logic method was used to score each AAP, rather than simply denoting whether a sample was correct or incorrect (Gopal and Woodcock 1994; Congalton and Green 1999; Foody 2002; Hagen 2003; Metzler and Sader 2005). Each field-verified polygon was scored according to a set of decision rules, with a total of 5 possible points for each. Scores were summed for each vegetation type, then divided by the total possible score and multiplied by 100 for a percent accuracy. The scores were provided back to AIS or the VegCAMP mapper after each Module was completed so that specific and systematic errors could be corrected. This modular approach increased the final accuracy of the map product beyond the scores reported here. The overall accuracy assessment rating for the final vegetation map was 84.59 percent. The complete report for this dataset is available at: http://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=62825 . This report covers the project purpose, intended map uses, and accuracy assessment of the map as conducted by VegCAMP and the California Native Plant Society. A separate report by AIS (Menke et al. 2013) discusses the ecological setting in the mapping area and provides a thorough discussion of mapping standards and methods. The complete report is available here: http://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=62826 . Their report also includes descriptions, photointerpretation signatures, distributions, elevation ranges, and ground photos of the vegetation types mapped. 2014 Update This update included an additional 95,980 mapped acres in the Rice Valley. The Rice Valley addition was completed by AIS in 2013-2014 using the same vegetation classification and delineation rules as the original map. The map was produced using heads up digitizing on a base of true-color and color infrared 2010 1-meter National Agricultural Imagery Program (NAIP) imagery with supplemental imagery from ESRI ArcGIS Online World Imagery. Accuracy assessments were done on the Rice Valley addition by CDFW staff in March 2014, with a resulting accuracy assessment score of 96 percent. 2016 Update This update includes an additional 2,195,415 mapped acres of desert in Inyo, San Bernardino, Riverside, and Imperial Counties in southern California. The map was completed by AIS between 2014 and 2016 using the same vegetation classification and delineation rules as the original map. The map was produced applying headsup digitizing techniques using a base of 2014 truecolor and color infrared onemeter National Agricultural Imagery Program (NAIP) imagery in conjunction with ancillary data and imagery sources. Field reconnaissance and accuracy assessment enhanced map quality. A total of 88 vegetation classes were mapped. The overall accuracy assessment rating for the final vegetation map was 91.90 percent. The complete report for the 2016 update is available at: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=131751. 2017 Update This update includes additional mapped acres of the Mecca Hills and Orocopia Mountains Conservation Area in the Coachella Valley of Riverside County. The map was completed by the University of California, Riverside Center for Conservation Biology in 2015 for the Coachella Valley Multiple Species Habitat Conservation Plan. The classification is based on previous survey and classification work done by CDFW's Vegetation Classification and Mapping Program and AIS for the Desert Renewable Energy Conservation Plan, and by the National Park Service for Joshua Tree National Park. The map was produced by applying headsup digitizing techniques using a base of truecolor and color infrared 2013 six-inch imagery from the National Agricultural Imagery Program (NAIP) and local flights provided by the Coachella Valley Conservation Commission. 2020-2021 Update This update includes vegetation classification development and fine-scale vegetation mapping of 1,016,668 acres over four subareas within Inyo, Kern, and Imperial counties of the Desert Renewable Energy Conservation Plan (DRECP) region. The four subareas are designated as Salton Sea South for the purpose of mapping Flat Tail Horned Lizard habitat (224,763 acres), Jawbone South (204,133 acres), Owens Valley (392,906 acres), and Picacho (194,866 acres). Mapping was completed by Aerial Information Systems, Inc. and the map was appended to the existing DRECP vegetation map by VegCAMP staff. The overall accuracy rating for the vegetation map in the Salton Sea area was 88.28%. 2023 Update This update includes 437,073 acres in the Searles Valley and West Mojave Trails A subareas, spanning the desert portions of Inyo and San Bernadino Counties, mapped between 2019 and 2021. Mapping was completed by Aerial Information Systems, Inc. and the map was appended to the existing DRECP vegetation map by VegCAMP staff. The overall accuracy rating for the vegetation map in the Salton Sea area was 93% overall fuzzy accuracy. Rarity ranks for various types in this map have been updated utilizing the NatureServe Conservation Status Assessments Rank Calculator Version 3.186, and are current as of Month Day , Year (this date should reflect when the crosswalk was updated with current ranks). Rarity ranks are subject to change due to changing threats and trends and as ranking methodologies are further refined. Please check CDFWs Natural Communities page for the most up-to-date rarity ranks (https://www.wildlife.ca.gov/Data/VegCAMP/Natural-Communities). References: Anderson, J.R., E.E. Hardy, and J.T. Roach. 1972. A land-use classification system for use with remote-sensor data. US Geological Survey Circular 671, 16 p. Mayer, Kenneth E. & William F. Laudenslayer Jr. (ed.) 1988. A guide to wildlife habitats of California. USDA Forest Service, California Department of Fish and Game, and PG&E. Available with updates from: https://wildlife.ca.gov/Data/CWHR/Wildlife-Habitats Vegetation Classification and Mapping Program (VegCAMP). 2013. 2013 California desert vegetation map and accuracy assessment in support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. California Department of Fish and Wildlife, Sacramento, CA. Available from: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=62825 Menke, J., E. Reyes, A. Glass, D. Johnson, and J. Reyes. 2013. 2013 California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA. Menke, J., E. Reyes, A. Hepburn, D. Johnson, and J. Reyes. 2016. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2014-2016 Additions). Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA. Reyes, E., J. Evens, A. Glass, K. Sikes, T. Keeler-Wolf, S. Winitsky, D. Johnson, J. Menke, and A. Hepburn. 2020. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan, Contract L17PD01212. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA. Reyes, E., A. Glass, J. Menke, J. Evens, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Winitsky, and A. Hepburn. 2021. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan, Contract L17PX00036. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA. Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA.
* Processing environment Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.1.9270


Credits
Data was produced by Aerial Information Systems, CDFW's Biogeographic Data Branch and the University of California, Riverside Center for Conservation Biology.
ArcGIS item properties
* Name Vegetation - Mojave Desert for DRECP - Final [ds735]
* Location Server=; :; Database=; User=; Version=
* Access protocol ArcSDE Connection

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Extents

Extent
Geographic extent
Bounding rectangle
West longitude -118.817925
East longitude -114.073235
North latitude 35.934609
South latitude 32.605949
Extent contains the resource Yes

Extent
Geographic extent
Bounding rectangle
Extent type Extent used for searching
* West longitude -118.823919
* East longitude -113.982636
* North latitude 36.347300
* South latitude 32.559536
* Extent contains the resource Yes

Extent in the item's coordinate system
* West longitude 110434.898500
* East longitude 540050.099400
* South latitude -589438.628000
* North latitude -184807.182000
* Extent contains the resource Yes

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Resource Points of Contact

Point of contact
Individual's name Debbie Johnson
Organization's name Aerial Information Systems, Inc.
Contact's position General Manager
Contact's role point of contact


Point of contact
Individual's name Christina Lund
Contact's position Bureau of Land Management
Contact's role point of contact


Contact information
Address
Type
e-mail address clund@blm.gov

HideContact information


Point of contact
Individual's name Christina Lund
Organization's name Bureau of Land Management
Contact's role point of contact


Contact information
Address
Type
e-mail address clund@blm.gov

HideContact information


Point of contact
Individual's name Mikala Tator
Organization's name California Department of Fish and Wildlife
Contact's position Sensitive Natural Communities Processor
Contact's role point of contact


Contact information


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Resource Maintenance

Resource maintenance
Update frequency unknown


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Resource Constraints

Constraints
Limitations of use

CDFWs VegCAMP appreciates learning how these vegetation datasets are being used so that we can leverage support for classifying and mapping new areas and let users know of any updates. Please contact us at VegCAMP@wildlife.ca.gov or call any of the staff listed here: https://wildlife.ca.gov/Data/VegCAMP

License: This work is licensed under Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ ). Using the citation standards recommended for BIOS datasets ( https://www.wildlife.ca.gov/Data/BIOS/Citing-BIOS ) satisfies the attribution requirements of this license.

Disclaimer: The State makes no claims, promises, or guarantees about the accuracy, completeness, reliability, or adequacy of these data and expressly disclaims liability for errors and omissions in these data. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose, and freedom from computer virus, is given with respect to these data.


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Spatial Reference

ArcGIS coordinate system
* Type Projected
* Geographic coordinate reference GCS_WGS_1984
* Projection WGS_1984_Web_Mercator_Auxiliary_Sphere
* Coordinate reference details
Projected coordinate system
Well-known identifier 102100
X origin -20037700
Y origin -30241100
XY scale 10000
Z origin 0
Z scale 1
M origin 0
M scale 1
XY tolerance 0.001
Z tolerance 0.001
M tolerance 0.001
High precision true
Latest well-known identifier 3857
Well-known text PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3857]]

Reference system identifier
* Value 3857
* Codespace EPSG
* Version 8.8(9.3.1.2)


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Spatial Data Properties

Vector
* Level of topology for this dataset geometry only


Geometric objects
Feature class name DS0735_20240429
* Object type composite
* Object count 0

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ArcGIS Feature Class Properties
Feature class name DS0735_20240429
* Feature type Simple
* Geometry type Polygon
* Has topology FALSE
* Feature count 0
* Spatial index TRUE
* Linear referencing FALSE

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Geoprocessing history

Process
Date 2024-04-2915:02:47
Tool location c:\program files\arcgis\pro\Resources\ArcToolbox\toolboxes\Data Management Tools.tbx\CopyFeatures
Command issued
Include in lineage when exporting metadata No


Process
Date 2024-04-2915:58:28
Tool location c:\program files (x86)\arcgis\desktop10.6\ArcToolbox\Toolboxes\Data Management Tools.tbx\Project
Command issued
Include in lineage when exporting metadata No


Process
Date 2024-04-2916:03:56
Tool location c:\program files (x86)\arcgis\desktop10.6\ArcToolbox\Toolboxes\Conversion Tools.tbx\FeatureClassToFeatureClass
Command issued
Include in lineage when exporting metadata No


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Distribution

Distribution format
* Name SDE Feature Class


Transfer options
Online source
Location https://www.wildlife.ca.gov/Data/BIOS
Function performed information

Online source
Location https://filelib.wildlife.ca.gov/Public/BDB/GIS/BIOS/Public_Datasets/700_799/ds735.zip
Function performed download

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Fields

Details for object DS0735_20240429
* Type Feature Class
* Row count 0
Definition
Esri
Definition source
Esri


Field OBJECTID
* Alias OBJECTID
* Data type OID
* Width 4
* Precision 10
* Scale 0
Field description
Internal feature number.
Description source
Esri
* Description of values
Sequential unique whole numbers that are automatically generated.


HideFieldOBJECTID


Field Shape
* Alias Shape
* Data type Geometry
* Width 4
* Precision 0
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Field description
Feature geometry.
Description source
Esri
* Description of values
Coordinates defining the features.


HideFieldShape


Field MCVName
* Alias MCVName
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
Names will be the same as ones used in the Manual of California Vegetation and California Natural Community List (https://wildlife.ca.gov/Data/VegCAMP/Natural-Communities). These standardized names correspond as much as possible to the National Vegetation Classification System (see http://usnvc.org/) or are submitted to the regional editors for induction. Classes for human land use or otherwise unvegetated land were drawn from the California Wildlife Habitat Relationship.
Description source
https://vegetation.cnps.org/
HideFieldMCVName


Field MCVLevel
* Alias MCVLevel
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The standardized level of the vegetation description in the Manual of California Vegetation corresponding with levels of the National Vegetation Classification System.
Description source
http://usnvc.org
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Field MapCode
* Alias MapCode
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The code for a vegetation association, alliance, group, unvegetated type, or land use for polygons that are not natural vegetation
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
HideFieldMapCode


Field MapClass
* Alias MapClass
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The finest level of vegetation type mapped (alliance, association, group or macrogroup); or descriptions for polygons that are not natural vegetation per the mapping classification, including land use and natural barrens or water features. Map classes are described in the mapping report.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
HideFieldMapClass


Field ConCov
Data type String
Width 50
* Alias ConiferCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of conifers within a vegetation stand. Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Menke, J., E. Reyes, A. Glass, D. Johnson, and J. Reyes. 2013. 2013 California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA. and Vegetation Classification and Mapping Program (VegCAMP). 2013. 2013 California desert vegetation map and accuracy assessment in support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. California Department of Fish and Wildlife, Sacramento, CA.
List of values
Value 9
Description Not Applicable/Not Assessed
Enumerated domain value definition source Vegetative percent cover classification


Value 0
Description None or Not Observable
Enumerated domain value definition source Vegetative percent cover classification


Value 1
Description >0-1%
Enumerated domain value definition source Vegetative percent cover classification


Value 2
Description >1-5%
Enumerated domain value definition source Vegetative percent cover classification


Value 3
Description >5-15%
Enumerated domain value definition source Vegetative percent cover classification


Value 4
Description >15-25%
Enumerated domain value definition source Vegetative percent cover classification


Value 5
Description >25-50%
Enumerated domain value definition source Vegetative percent cover classification


Value 6
Description >50-75%
Enumerated domain value definition source Vegetative percent cover classification


Value 7
Description >75-100%
Enumerated domain value definition source Vegetative percent cover classification


HideFieldConCov


Field HdwdCov
Data type String
Width 50
* Alias HardwoodCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of hardwoods within a vegetation stand. Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assessed
Enumerated domain value definition source Vegetative percent cover classification


Value 0
Description None or Not Observable
Enumerated domain value definition source Vegetative percent cover classification


Value 1
Description >0-1%
Enumerated domain value definition source Vegetative percent cover classification


Value 2
Description >1-5%
Enumerated domain value definition source Vegetative percent cover classification


Value 3
Description >5-15%
Enumerated domain value definition source Vegetative percent cover classification


Value 4
Description >15-25%
Enumerated domain value definition source Vegetative percent cover classification


Value 5
Description >25-50%
Enumerated domain value definition source Vegetative percent cover classification


Value 6
Description >50-75%
Enumerated domain value definition source Vegetative percent cover classification


Value 7
Description >75-100%
Enumerated domain value definition source Vegetative percent cover classification


HideFieldHdwdCov


Field YUBRCov
Data type String
Width 50
* Alias JoshuaTreeCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of Yucca brevifolia within a vegetation stand. Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
HideFieldYUBRCov


Field TreeCov
Data type String
Width 50
* Alias TotalTreeCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of trees (including Joshua Trees) within a vegetation stand. Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assessed
Enumerated domain value definition source Vegetative percent cover classification


Value 0
Description None or Not Observable
Enumerated domain value definition source Vegetative percent cover classification


Value 1
Description >0-1%
Enumerated domain value definition source Vegetative percent cover classification


Value 2
Description >1-5%
Enumerated domain value definition source Vegetative percent cover classification


Value 3
Description >5-15%
Enumerated domain value definition source Vegetative percent cover classification


Value 4
Description >15-25%
Enumerated domain value definition source Vegetative percent cover classification


Value 5
Description >25-50%
Enumerated domain value definition source Vegetative percent cover classification


Value 6
Description >50-75%
Enumerated domain value definition source Vegetative percent cover classification


Value 7
Description >75-100%
Enumerated domain value definition source Vegetative percent cover classification


HideFieldTreeCov


Field ShrubCov
Data type String
Width 50
* Alias ShrubCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of shrubs within a vegetation stand. Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assigned
Enumerated domain value definition source Vegetative percent cover classification


Value 0
Description None or Not observable
Enumerated domain value definition source Vegetative percent cover classification


Value 1
Description >0-1%
Enumerated domain value definition source Vegetative percent cover classification


Value 2
Description >1-5%
Enumerated domain value definition source Vegetative percent cover classification


Value 3
Description >5-15%
Enumerated domain value definition source Vegetative percent cover classification


Value 4
Description >15-25%
Enumerated domain value definition source Vegetative percent cover classification


Value 5
Description >25-50%
Enumerated domain value definition source Vegetative percent cover classification


Value 6
Description >50-75%
Enumerated domain value definition source Vegetative percent cover classification


Value 7
Description >75-100%
Enumerated domain value definition source Vegetative percent cover classification


HideFieldShrubCov


Field HerbCov
Data type String
Width 50
* Alias HerbaceousCover
* Precision 0
* Scale 0
Field description
Code for the classes of percent birds-eye cover of herbaceous plants within a vegetation stand.Percent cover, also referred to as density, is a quantitative estimate of the aerial extent of the living plants for each vegetation layer within a stand. Cover is the primary metric used to quantify the importance or abundance of a life form and/or species. It is important to note that the photointerpreters could only accurately quantify the vegetation that is visible on the aerial imagery. Therefore, birds eye total cover was mapped, meaning that the cover of understory layers which were obscured by overstory layers was not included. For this reason, total cover for shrubs and herbaceous plants may be underestimated if their extent was hidden under the crowns of trees and may differ from assessments done on the ground by field crews.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assigned
Enumerated domain value definition source Herbaceous percent cover classification


Value 1
Description 0-2%
Enumerated domain value definition source Herbaceous percent cover classification


Value 2
Description >2-15%
Enumerated domain value definition source Herbaceous percent cover classification


Value 3
Description >15-40%
Enumerated domain value definition source Herbaceous percent cover classification


Value 4
Description >40-100%
Enumerated domain value definition source Herbaceous percent cover classification


HideFieldHerbCov


Field Exotics
Data type String
Width 50
* Alias Exotics
* Precision 0
* Scale 0
Field description
Code for the level of impact by exotic invasive species.Photointerpreters assigned each existing polygon a code reflecting the level of impact by exotic invasive species such as Mediterranean grass (Schismus spp.) or tamarisk (Tamarix spp.).
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assigned
Enumerated domain value definition source Exotics code classification


Value 0
Description None/Not Observable
Enumerated domain value definition source Exotics code classification


Value 1
Description Low - visible, cover not significant
Enumerated domain value definition source Exotics code classification


Value 2
Description Moderate - significant cover
Enumerated domain value definition source Exotics code classification


Value 3
Description High - stand characterized by exotics
Enumerated domain value definition source Exotics code classification


HideFieldExotics


Field Roadedness
Data type String
Width 50
* Alias Roadedness
* Precision 0
* Scale 0
Field description
Code for the level of impact by paved and unpaved roads, Roadedness Disturbance is defined as the level of impact in a polygon by paved and unpaved roads, off highway vehicle (OHV) trails, railroads, berms, and covered aqueduct. Impact is defined by the proportion of any polygon that is contiguously without these features. The Roadedness Disturbance code reflects the combination of the amount of roads in the polygon and the roads effect on the contiguous space that has no roads that is, where the roads fall within the polygon. This definition of roadedness has the advantage of helping to identify roadless areas, but the disadvantage of being scale independent. For example, any polygon with a road more or less bisecting it will be assigned a code of Moderate, regardless of size. This means that a very large polygon with a Moderate Roadedness Disturbance code might still contain an extensive roadless area.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assessed
Enumerated domain value definition source Roadedness Disturbance code classification


Value 0
Description None/Not Observable
Enumerated domain value definition source Roadedness Disturbance code classification


Value 1
Description Low - >2/3 contiguous area roadless
Enumerated domain value definition source Roadedness Disturbance code classification


Value 2
Description Moderate - 1/3 to 2/3 contiguous area roadless
Enumerated domain value definition source Roadedness Disturbance code classification


Value 3
Description High - <1/3 contiguous area roadless
Enumerated domain value definition source Roadedness Disturbance code classification


HideFieldRoadedness


Field Development
* Alias Development
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Development Disturbance accounts for the level of impact by structures and settlements that are smaller than the MMU criteria for land use. Structures may include buildings, tanks, trailers, metal electrical towers, communication towers, and utility and mining structures. This attribute includes paved parking lots and collapsed structures. Note that it also includes debris such as junked vehicles, major trash dumping, etc., the removal of which could result in a vegetation stand that could be in very good to pristine ecological condition. Disturbance that does not involve these types of features is accounted for in Anthropogenically Altered Disturbance.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assigned
Enumerated domain value definition source Development Disturbance code classification


Value 0
Description None/Not Observable
Enumerated domain value definition source Development Disturbance code classification


Value 1
Description Low - <2% of polygon affected
Enumerated domain value definition source Development Disturbance code classification


Value 2
Description Moderate - 2-5% of polygon affected
Enumerated domain value definition source Development Disturbance code classification


Value 3
Description High - >5% of polygon affected
Enumerated domain value definition source Development Disturbance code classification


HideFieldDevelopment


Field AnthroAlt
* Alias AnthropogenicAlteration
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
This indicates the level of impact on vegetation through tillage, scraping, grazing, mining, etc. Disturbance from structures, pavement, or debris is not included here but is addressed in Development Disturbance. Anthropogenically Altered Disturbance captures past disturbances in the landscape that are still visible through their impact on vegetation, but do not have enough of an impact to change the vegetation type or percent cover range.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/NotAssigned
Enumerated domain value definition source Anthropogenically Altered Disturbance code classification


Value 0
Description None/Not Observable
Enumerated domain value definition source Anthropogenically Altered Disturbance code classification


Value 1
Description Low - <33% of polygon affected/veg cover not impacted
Enumerated domain value definition source Anthropogenically Altered Disturbance code classification


Value 2
Description Moderate - 33-66% of polygon affected
Enumerated domain value definition source Anthropogenically Altered Disturbance code classification


Value 3
Description High - >66% of polygon affected
Enumerated domain value definition source Anthropogenically Altered Disturbance code classification


HideFieldAnthroAlt


Field HydroMod
* Alias HydroMod
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Is the vegetation stand modified by a hydrologic impediment? This is used to tag stands of desert vegetation that have their extent directly impacted by restricted sheet flow or active channel flow crossing under a road, railroad, levee, etc. Examples include polygons where: 1) washes have expanded on the upslope side or contracted on the downslope side of the impediment (typically a berm or levee), or 2) railroad or highway berms have eliminated natural sheet flow downslope across alluvial fans and bajadas, or other slopes. The effect must create a line-forming break such as in vegetation type, shrub cover, tree cover, or herbaceous cover. The modifier is only attributed to the polygon down-slope of the impediment. Drainage ditches conveying flow off the side of a road (though often visible on imagery) are not considered unless they make a line-forming break in the vegetation.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 9
Description Not Applicable/Not Assigned
Enumerated domain value definition source Altered Hydrologic Regime Modifier code classification


Value 0
Description Not Affected
Enumerated domain value definition source Altered Hydrologic Regime Modifier code classification


Value 1
Description Affected
Enumerated domain value definition source Altered Hydrologic Regime Modifier code classification


HideFieldHydroMod


Field Notes
* Alias Notes
* Data type String
* Width 254
* Precision 0
* Scale 0
Field description
Text field for additional information.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
HideFieldNotes


Field LandUse
* Alias LandUse
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Land use is the human use of the land and is embodied through such features as urban centers, towns, mining, agriculture, and individual settlements. In this mapping effort land use was represented both as a possible vegetation class and as a separate attribute of a vegetated polygon. Every attempt was made to correlate the coding within both layers. A land use polygon was mapped if it was at least 2.5 acres in size. The criteria used for mapping land use are presented in Appendix C of Menke et al. (2016).
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 0
Description Not Assigned/Not Assessed
Enumerated domain value definition source Land use code classification


Value 1000
Description Urban
Enumerated domain value definition source Land use code classification


Value 1436
Description Water Transfer
Enumerated domain value definition source Land use code classification


Value 1850
Description Wildlife Preserves & Sanctuaries
Enumerated domain value definition source Land use code classification


Value 2000
Description Agriculture (Includes Nurseries)
Enumerated domain value definition source Land use code classification


Value 2200
Description Non-woody Row & Field Crops
Enumerated domain value definition source Land use code classification


Value 9800
Description Undifferentiated Water
Enumerated domain value definition source Land use code classification


Value 9810
Description Water Impoundment Feature
Enumerated domain value definition source Land use code classification


HideFieldLandUse


Field MethodID
* Alias MethodID
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Code for MethodID. This attribute was used to indicate how the MapUnit coding decision was reached for a polygon by identifying what type of field data (if any) was used to support the vegetation type assignment. For polygons that did not have any corresponding point data, the value of photo interpretation was assigned. Some of the stands were assessed from a distance using a compass, laser rangefinder, binoculars, and occasionally a spotting scope. For reconnaissance, multiple stands were often assessed from a single location.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 1
Description Rapid Assessment (current project)
Enumerated domain value definition source Method ID code classification


Value 2
Description Releve
Enumerated domain value definition source Method ID code classification


Value 3
Description Field Verification
Enumerated domain value definition source Method ID code classification


Value 4
Description Photo Interpretation
Enumerated domain value definition source Method ID code classification


Value 5
Description Adjacent Stand Information or Ground Photo
Enumerated domain value definition source Method ID code classification


Value 6
Description Reconnaissance (current project)
Enumerated domain value definition source Method ID code classification


Value 7
Description Other Information
Enumerated domain value definition source Method ID code classification


Value 8
Description Older Plot Data
Enumerated domain value definition source Method ID code classification


Value 9
Description Older Recon Data
Enumerated domain value definition source Method ID code classification


Value 10
Description Accuracy Assessment
Enumerated domain value definition source Method ID code classification


Value 60
Description Additional Recon Information
Enumerated domain value definition source Method ID code classification


HideFieldMethodID


Field OLTE_PAFL
* Alias OLTE_PAFL
* Data type String
* Width 100
* Precision 0
* Scale 0
Field description
This attribute denotes the consistent presence of ironwood (Olneya tesota) and/or blue palo verde (Parkinsonia florida) in mapped polygons within the study area, the only occurrence of which is in the Colorado Desert region and Arizona Upland subdivision of the Sonoran Desert. The modifier was added to accurately represent the vast expanses of sparse ironwood and/or blue palo verde emerging from the canopy of creosote bush, white bursage, and brittle bush shrub types on broad alluvial fans and bajadas, as well as in small rivulets dissecting sparsely vegetated desert pavement.
Description source
Reyes, E., J. Evens, J. Fulton, A. Glass, K. Sikes, T. Keeler-Wolf, D. Johnson, S. Vu, and A. Hepburn. 2023. California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan (2023), Contract 140L1218F0102. Final Report. Prepared for the U.S. Bureau of Land Management. Aerial Information Systems, Inc., Redlands, CA
List of values
Value 0
Description Olneya tesota and/or Parkinsonia florida not visible or not consistent in stand
Enumerated domain value definition source Menke, J., E. Reyes, A. Glass, D. Johnson, and J. Reyes. 2013. 2013 California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA.


Value 1
Description Olneya tesota and/or Parkinsonia florida present in at least trace amounts and consistent throughout most of the stand
Enumerated domain value definition source Menke, J., E. Reyes, A. Glass, D. Johnson, and J. Reyes. 2013. 2013 California Vegetation Map in Support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. Aerial Information Systems, Inc., Redlands, CA.


HideFieldOLTE_PAFL


Field Mappers
* Alias Mappers
* Data type String
* Width 25
* Precision 0
* Scale 0
Field description
Indicates whether a polygon was delineated and attributed by Aerial Information Systems (AIS), University of California Riverside (UCR), or the California Department of Fish and Wildlifes Vegetation Classification and Mapping Program (CDFW)
HideFieldMappers


Field NRFVconfidence
* Alias NRFVconfidence
* Data type String
* Width 5
* Precision 0
* Scale 0
Field description
No regional field verification. For areas that were mapped by CDFG (see Mappers field), this field identifies photo-interpreted polygons in large, contiguous areas that were inaccessible and in which the confidence in correctly identifying the vegetation type was therefore low. These are marked with "low" in this field.
HideFieldNRFVconfidence


Field EcologicalSystems
* Alias EcologicalSystems
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
A classification system used to create the Gap map for California. They are groups of plant community types that tend to co-occur within landscapes with similar ecological processes, substrates and/or environmental gradients (Comer et al. 2003). See http://www.natureserve.org/library/usEcologicalsystems.pdf and http://gapanalysis.usgs.gov/gaplandcover/vision/ .
Description source
Vegetation Classification and Mapping Program (VegCAMP). 2013. 2013 California desert vegetation map and accuracy assessment in support of the Desert Renewable Energy Conservation Plan. Final Report. Prepared for the California Department of Fish and Wildlife Renewable Energy Program and the California Energy Commission. California Department of Fish and Wildlife, Sacramento, CA.
HideFieldEcologicalSystems


Field UID
* Alias UID
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Unique identifier for each polygon
HideFieldUID


Field Acres
* Alias Acres
* Data type Double
* Width 8
* Precision 38
* Scale 8
Field description
GIS-calculated area measurements of each mapped polygon.
HideFieldAcres


Field Hectares
* Alias Hectares
* Data type Double
* Width 8
* Precision 38
* Scale 8
Field description
GIS-calculated area measurements of each mapped polygon.
HideFieldHectares


Field Ortho_Base_Year
* Alias Ortho_Base_Year
* Data type Integer
* Width 4
* Precision 10
* Scale 0


HideFieldOrtho_Base_Year


Field UID_1
* Alias UID
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
Unique identifier for each polygon
HideFieldUID_1


Field CalVegType
* Alias CalVegType
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
A crosswalk to the Classification and Assessment with Landsat of Visible Ecological Groupings (CalVeg) vegetation system (USDA Forest Service). Note that there may be a one-to-many relationship between CalVeg and NVCS, but the best crosswalk for this area is chosen.
Description source
https://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192
HideFieldCalVegType


Field CalVegCode
* Alias CalVegCode
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The code used for the CalVeg type.
Description source
https://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192
HideFieldCalVegCode


Field CWHRType
* Alias CWHRType
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
A crosswalk to the California Wildlife Habitat Relationships system. Note that there is usually a one-to-many relationship between CWHR and NVCS. The best fit for this area has been chosen.
Description source
https://wildlife.ca.gov/Data/CWHR/Wildlife-Habitats
HideFieldCWHRType


Field CWHRCode
* Alias CWHRCode
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The code for the CWHR type.
Description source
https://wildlife.ca.gov/Data/CWHR/Wildlife-Habitats
HideFieldCWHRCode


Field GlobalRank
* Alias GlobalRank
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The global rarity ranking of the plant community mapped (ranks are available for all California alliances, and some associations). Ranks are based on a set of criteria including the rarity of the community (extent and occupancy), the threats that the community is subject to, and any known trends in the quality, size, or quantity of stands within the state. Ranks go from G1 which is critically imperiled/has very few occurrences to G5, when a community is demonstrably secure due to broad distribution with area not subject to threats. Ranks G1-G3 are considered sensitive. See: http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf and https://wildlife.ca.gov/Data/VegCAMP/Natural-Communities Ranks are current as of the publication date or update date.
Description source
http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf and https://wildlife.ca.gov/Data/VegCAMP/Natural-Communities
HideFieldGlobalRank


Field StateRank
* Alias StateRank
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The state rarity ranking of the plant community mapped (ranks are available for all California alliances, and some associations). Ranks are based on a set of criteria including the rarity of the community (extent and occupancy), the threats that the community is subject to, and any known trends in the quality, size, or quantity of stands within the state. Ranks go from S1 which is critically imperiled/has very few occurrences to S5, when a community is demonstrably secure due to security globally. Ranks S1-S3 are considered sensitive. See: http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf and https://wildlife.ca.gov/Data/VegCAMP/Natural-Communities Ranks are current as of the publication date or update date.
Description source
http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf and https://wildlife.ca.gov/Data/VegCAMP/Natural-Communities
HideFieldStateRank


Field Sensitive
* Alias Sensitive
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
Is the vegetation type considered sensitive? Y= yes, sensitive natural community. Alliances and associations with global ranks of G1-G3 state ranks of S1-S3 are considered sensitive natural communities. Additionally, if an association has not gone through the ranking process, but is estimated to be sensitive Y will be shown without a G or S rank. Ranks are current as of the publication date or update date.
Description source
https://www.wildlife.ca.gov/Data/VegCAMP/Natural-Communities/Background
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Field SensitiveFlag
* Alias SensitiveFlag
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
SensitiveFlag is a field where exceptions to what is in the ranking for an alliance or a determination for a group based on alliances are captured. For example, an alliance might be ranked as G4/S4, because it is broadly distributed in the state and covers considerable area. However, every association within that alliance is considered sensitive because it isn't broadly distributed or is locally threatened. Such an alliance would have Sensitive = Y because everywhere the alliance is represented the association community is sensitive. States for this field include: "AllAssocOfAlliance" (described above); "AllAllianceOfGroup" (similar to AllAssocOfAlliance but used when all the alliances in the group are ranked as sensitive); "AllAssocOfMapClass" (used when the map only contains a subset of associations known in the state and all of these are senstive); "SecondryFromSplit" (this can occur when the alliance or other community/level which was mapped was subsequently split into multiple, both sides of the split are known to be present in the map, the primary is not sensitive but the less common community/level from the split is sensitive); and "AllAssocFromRegion" (when it is known that only a subset of associations from alliance exist within the ecoregion that the map is in and all these are sensitive).
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Field CaCode
* Alias CaCode
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
California Natural Community Codes - unique code assigned to alliances and associations.
Description source
https://www.wildlife.ca.gov/Data/VegCAMP/Natural-Communities
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Field MCVAlliance
* Alias MCVAlliance
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The standardized name for the alliance within the National Vegetation Classification System as interpreted in the Manual of California Vegetation.
Description source
https://vegetation.cnps.org/
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Field MCVGroup
* Alias MCVGroup
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The standardized name for the group within the National Vegetation Classification System, with some potential exceptions within the Manual of California Vegetation Database.
Description source
https://vegetation.cnps.org/
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Field MCVMacrogroup
* Alias MCVMacrogroup
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The standardized name for the macrogroup within the National Vegetation Classification System, with some potential exceptions within the Manual of California Vegetation Database.
Description source
https://vegetation.cnps.org/
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Field SecondCaCode
* Alias SecondCaCode
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The secondary California Code of the Alliance or Association, typically when original community was split and both communities could exist in map
Description source
https://www.wildlife.ca.gov/Data/VegCAMP/Natural-Communities
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Field CommunityLink
* Alias CommunityLink
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The link to the alliance in the Manual of California Vegetation Online.
Description source
https://vegetation.cnps.org/
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Field Acres_1
* Alias Acres
* Data type Double
* Width 8
* Precision 38
* Scale 8
Field description
GIS Calculated acres based on calculation done in California (Teale) Albers, NAD83
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Field Hectares_1
* Alias Hectares
* Data type Double
* Width 8
* Precision 38
* Scale 8
Field description
GIS Calculated hectares based on calculation done in California (Teale) Albers, NAD83
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Field ObjectID_1
* Alias ObjectID
* Data type Integer
* Width 4
* Precision 10
* Scale 0
Field description
Internal feature number.
Description source
Esri
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Field Shape.STArea()
* Alias Shape.STArea()
* Data type Double
* Width 0
* Precision 0
* Scale 0


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Field Shape.STLength()
* Alias Shape.STLength()
* Data type Double
* Width 0
* Precision 0
* Scale 0


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Metadata Details

* Metadata language English(UNITED STATES)
Metadata character set utf8 - 8 bit UCS Transfer Format


Scope of the data described by the metadata dataset
Scope name * dataset


* Last update 2024-04-29


ArcGIS metadata properties
Metadata format ArcGIS1.0
Standard or profile used to edit metadata FGDC
Metadata style FGDC CSDGM Metadata


Created in ArcGIS for the item 2024-04-2915:57:14
Last modified in ArcGIS for the item 2024-04-2915:59:06


Automatic updates
Have been performed Yes
Last update 2024-04-2915:59:06


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Metadata Contacts

Metadata contact
Individual's name Debbie Johnson
Organization's name Aerial Information Systems, Inc.
Contact's position General Manager
Contact's role point of contact


Contact information


Metadata contact
Organization's name Debbie Johnson, Aerial Information Systems, Inc., General Manager
Contact's role originator


Metadata contact
Individual's name Christina Lund
Contact's position Bureau of Land Management
Contact's role point of contact


Contact information


Metadata contact
Individual's name Mikala Tator
Organization's name California Department of Fish and Wildlife
Contact's position Sensitive Natural Communities Processor
Contact's role point of contact


Contact information


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Metadata Maintenance

Maintenance
Update frequency unknown


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Metadata Constraints

Constraints
Limitations of use
<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>CDFWs VegCAMP appreciates learning how these vegetation datasets are being used so that we can leverage support for classifying and mapping new areas and let users know of any updates. Please contact us at </SPAN></SPAN><A href="mailto:VegCAMP@wildlife.ca.gov" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>VegCAMP@wildlife.ca.gov</SPAN></SPAN></A><SPAN><SPAN> or call any of the staff listed here: </SPAN></SPAN><A href="https://wildlife.ca.gov/Data/VegCAMP" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>https://wildlife.ca.gov/Data/VegCAMP</SPAN></SPAN></A><SPAN><SPAN> </SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN STYLE="font-weight:bold;"><SPAN>License: </SPAN></SPAN><SPAN><SPAN>This work is licensed under Creative Commons Attribution 4.0 International License ( </SPAN></SPAN><A href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby%2F4.0%2F&amp;data=04%7C01%7CRosalie.Yacoub%40wildlife.ca.gov%7C8349c480b9464ebeb99e08d8fa192995%7C4b633c25efbf40069f1507442ba7aa0b%7C0%7C0%7C637534333271702709%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=0WvkCxLaRGRe0p9XMB49f7HXYbi6r6AZi1ASs6dmow8%3D&amp;reserved=0" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>https://creativecommons.org/licenses/by/4.0/</SPAN></SPAN></A><SPAN><SPAN>). Using the citation standards recommended for BIOS datasets ( </SPAN></SPAN><A href="https://www.wildlife.ca.gov/Data/BIOS/Citing-BIOS" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>https://www.wildlife.ca.gov/Data/BIOS/Citing-BIOS</SPAN></SPAN></A><SPAN><SPAN>) satisfies the attribution requirements of this license.</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN STYLE="font-weight:bold;"><SPAN>Disclaimer: </SPAN></SPAN><SPAN><SPAN>The State makes no claims, promises, or guarantees about the accuracy, completeness, reliability, or adequacy of these data and expressly disclaims liability for errors and omissions in these data. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose, and freedom from computer virus, is given with respect to these data.</SPAN></SPAN></P><P><SPAN>The minimum mapping unit (MMU) is 10 acres; exceptions are made for wetlands and certain wash types (which were mapped to a one or five acre MMU) and areas characterized as Land Use polygons (which were mapped to a 2.5 acre MMU). </SPAN></P><P><SPAN /></P></DIV></DIV></DIV>
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