Vegetation Classification and Mapping Program (VegCAMP), California Department of Fish and Wildlife (CDFW).
20150121
Vegetation - North Carrizo Plain Mitigation Lands [ds1095]
vector digital data
https://www.wildlife.ca.gov/Data/BIOS
https://filelib.wildlife.ca.gov/Public/BDB/GIS/BIOS/Public_Datasets/1000_1099/ds1095.zip
The California Department of Fish and Wildlife (CDFW) Vegetation Classification and Mapping Program (VegCAMP) has created a fine-scale vegetation map of the Department’s mitigation lands in the northern portion of the Carrizo Plain, San Luis Obispo County, California. The mapping follows Survey of California Vegetation, Federal Geographic Data Committee (FGDC), and National Vegetation Classification (NVC) standards (FGDC 2008, Jennings et al. 2009). The map legend is based on the classification in Stout et al. (2013), with slight modifications as discussed in Appendix C of the project report, which is available here: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=92969. Reconnaissance-level sampling of vegetation stands in the project area was conducted in the spring of 2013. Polygons were drawn using heads-up digitizing using the July 2011 1-foot imagery acquired for San Luis Obispo County and downloaded from US Geological Survey (USGS) EarthExplorer as the map base. Supplemental imagery included National Agricultural Imagery Program (NAIP) true color and color infrared (CIR) 1-meter resolution data from 2010–2012, Bing imagery, and current and historical imagery from Google Earth. The minimum mapping unit (MMU) is ½ acre in order to capture small, remnant native stands of trees, shrubs, and bunch grasses. Mapping is to the NVC hierarchy Association, Alliance, or Group level based on the ability of the photointerpreters to distinguish types based on all imagery available and on the field data. Field verification data was collected in the spring of 2014 and corrections were made to the map based on that data to increase the final accuracy.
The purpose of the vegetation map is to provide an inventory of habitat types for use in assessing the biological resources present in the mitigation lands in order to determine appropriate management strategies. The map will also serve as a baseline for analyzing trends in habitat change in the future.
Delineation Rules
Polygons were drawn using heads-up digitizing using the July 2011 1-foot imagery acquired for San Luis Obispo County and downloaded from USGS EarthExplorer as the map base. Supplemental imagery included NAIP true color and CIR 1-meter resolution data from 2010–2012, Bing imagery, and current and historical imagery from Google Earth.
The vegetation map was delineated according to the following rules:
Minimum Mapping Unit (MMU):
½ acre for special types (e.g., wetland, alkali scald, or localized type)
½ acre for remnant, native tree, shrub, and perennial bunch grass stands.
1 acre for typical herbaceous vegetation types
10 meter width for linear polygons
Polygon breaks (factors other than change in vegetation type):
3 acre MMU for cover class break in the overstory layer’s cover (i.e., when the adjacent vegetation is of the same classification unit but cover class is different)
5 acre MMU for cover class break in understory cover
5 acre MMU for non-floristic breaks (clearing, height, other urban features)
1 acre MMU for impact changes of 2 classes (e.g., from high to low, but not from high to medium)
Delineation:
Scale of 1:1000 to 1:4000 (varied based on imagery, ease of interpretation, etc.)
Imagery:
Base: San Luis Obispo County 2011 1-foot true color imagery
Supplemental: National Agricultural Imagery Program (NAIP) 2012 (summer) true color and CIR
Ancillary: Other NAIP years, ESRI Basemap Imagery, Google Earth, Bing
The report, Vegetation Map of The Department of Fish and Wildlife North Carrizo Plain Mitigation Lands San Luis Obispo County, California, is available here: https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=92969
04/2013
03/2014
ground condition
As needed
-120.112163
-119.933550
35.469105
35.307768
ISO 19115 Topic Category
biota
environment
None
vegetation
None
California
San Luis Obispo County
Carrizo Plain
None
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.CDFW appreciates learning how our 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 VegCAMP Lead by email or by phone at (916) 324-9765.
California Department of Fish and Wildlife
VegCAMP (Vegetation Classification and Mapping Program)
Vegetation Classification and Mapping Program Lead
mailing and physical
1700 9th Street, 4th Floor
Sacramento
CA
95811
US
(916) 324-9765
VegCAMP@wildlife.ca.gov
California Department of Fish and Wildlife
VegCAMP (Vegetation Classification and Mapping Program)
Vegetation Classification and Mapping Program Lead
mailing and physical
1700 9th Street, 4th Floor
Sacramento
CA
95811
US
(916) 324-9765
VegCAMP@wildlife.ca.gov
Vegetation Classification and Mapping Program (VegCAMP), California Department of Fish and Wildlife (CDFW).
Restricted
Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.1.9270
This map deviates from Federal Geographic Data Committee Standards (FGDC 2008) in one respect: there was no formal accuracy assessment performed. However, 60% of all the polygons, encompassing 94% of the total mapped area, were validated by field reconnaissance or field verification survey data.
Vector
GT-polygon composed of chains
164
NAD 1983 California Teale Albers
34.0
40.5
-120.0
0.0
0.0
-4000000.0
coordinate pair
0.0001
0.0001
meter
D North American 1983
GRS 1980
6378137.0
298.257222101
Vegetation - North Carrizo Plain Mitigation Lands [ds1095]
OBJECTID
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
Esri
Coordinates defining the features.
NVCSName
The standardized name of the vegetation description used in the National Vegetation Classification System (see http://usnvc.org/). Since the NVCS does not have categories for human land use or otherwise unvegetated land, those descriptions were drawn from the California Wildlife Habitat Relationship.
NVCSLevel
The standardized level of the vegetation description used in the National Vegetation Classification System (see http://usnvc.org/).
MapClass
The finest level of vegetation type mapped (alliance, association, group or macrogroup); or land use for polygons that are not natural vegetation, per the mapping classification.
MapClassCode
Code for each vegetation type mapped. MapClassCodes are defined in the MapClass field.
Heterogeneity_txt
The measure of uniformity of the vegetation type, cover class, and size class within the polygon. A low heterogeneity is desirable.
ConifCover_txt
The cover density (total bird's-eye cover) of conifer trees in the polygon.
HdwdCover_txt
The cover density (total bird's-eye cover) of hardwood trees in the polygon.
TreeCover_txt
The cover density (total bird's-eye cover) of all trees (conifer and hardwood) in the polygon.
ShrubCover_txt
The cover density (total bird's-eye cover) of shrubs in the polygon.
HerbCover_txt
The cover of herbaceous vegetation in the polygon. In the absence of field data, herbaceous vegetation cannot be definitely interpreted from imagery, and is modeled by the photointerpreters based on signature, topography, the overstory type if present, and adjacent field data. The herbaceous values are for absolute cover, not bird’s-eye cover, that is, any shrub or tree cover over the herbaceous cover is not subtracted.
NonNative_Plants_txt
The presence of non-native plants in the polygon.
Roads_Trails_txt
The presence of roads or trails in the polgyon.
OtherImpact_txt
Impacts observable in the imagery.
Level_OtherImpact_txt
Subjective determination of the level of any impact recorded in the OtherImpact field.
Method_ID_txt
Method of determining the vegetation type.
DB_ID
The database ID of the Rapid Assessment, Relevé, or Reconnaissance used to determine the vegetation type (if one was used).
Comments
Text field for additional information.
Delineater
The organization responsible for delineating the polygon.
CDFW
California Department of Fish and Wildlife
CNPS
California Native Plant Society
Attributer
The organization responsible for assigning attribute values to the polygon.
CDFW
California Department of Fish and Wildlife
CNPS
California Native Plant Society
UID
Unique identifier for each polygon.
Shrub_Dieback_txt
Shrub dieback noted during field visits.
Vegetation Mapping and Accuracy Assesment Report for Carrizo Plain National Monument (Stout et al. 2013) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=70311
ChimineasTotalCov_txt
Total cover (bird’s-eye view) of all vegetation taking into consideration the porosity in the vegetation.
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasConifCov_txt
Cover of coniferous trees in the polygon (considering porosity).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasHdwdCov_txt
Cover of hardwood trees in the polygon (considering porosity)
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasTreeCov_txt
Cover of trees in the polygon (considering porosity).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasShrubCov_txt
Cover of shrubs in the polygon (considering porosity).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasImpact1_txt
An element that has impacted vegetation in a way that is visible on the imagery. The impacts are un-ordered (Imapct 1 isn't affecting vegetation more than Impact 2).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasImpact2_txt
An element that has impacted vegetation in a way that is visible on the imagery. The impacts are un-ordered (Imapct 1 isn't affecting vegetation more than Impact 2).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasImpact3_txt
An element that has impacted vegetation in a way that is visible on the imagery. The impacts are un-ordered (Imapct 1 isn't affecting vegetation more than Impact 2).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasImpact4_txt
An element that has impacted vegetation in a way that is visible on the imagery. The impacts are un-ordered (Imapct 1 isn't affecting vegetation more than Impact 2).
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasSubjSiteQuality_txt
The photointerpreter’s subjective assessment of the site quality of the polygon,
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
ChimineasK_Rat_txt
Whether or not Giant Kangaroo rat precincts were evident in the polygon based on air photo interpretation or any field reconnaissance.
Vegetation of the California Department of Fish and Game Carrizo Plain Ecological Reserve (VegCAMP 2010) https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=15231
CalVegName
A crosswalk to the CalVeg vegetation system. Note that there may be a one-to-many relationship between CalVeg and NVCS. See http://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192.
CalVegCode
A crosswalk to the CalVeg vegetation system. Note that there may be a one-to-many relationship between CalVeg and NVCS. See http://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192.
CWHRType
A crosswalk to the California Wildlife Habitat Relationships system. Note that there is usually a one-to-many relationship between CWHR and NVCS. See http://www.dfg.ca.gov/biogeodata/cwhr/.
CWHRCode
A crosswalk to the California Wildlife Habitat Relationships system. Note that there is usually a one-to-many relationship between CWHR and NVCS. See http://www.dfg.ca.gov/biogeodata/cwhr/.
GlobalRank
The global rarity rank of the plant community (only for polygons mapped to the alliance level). G1: Fewer than 6 viable occurrences and/or 2000 acres worldwide; G2: 6-20 viable occurrences and/or 2000-10,000 acres worldwide; G3: 21-100 viable occurrences and/or 10,000-50,000 acres worldwide; G4: Greater than 100 viable occurrences and/or greater than 50,000 acres worldwide; G5: Community demonstrably secure due to secure worldwide abundance. See: http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf
StateRank
The state rarity rank of the plant community (only for polygons mapped to the alliance level). S1: Fewer than 6 viable occurrences and/or 2000 acres statewide; S2: 6-20 viable occurrences and/or 2000-10,000 acres statewide; S3: 21-100 viable occurrences and/or 10,000-50,000 acres statewide; S4: Greater than 100 viable occurrences and/or greater than 50,000 acres statewide; S5: Community demonstrably secure due to secure statewide abundance. See: http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf
Rare
Rarity of the vegetation type. Alliances and associations with state ranks of S1-S3 are considered rare.
Y
Rare
N
Not Rare
CaCode
California Natural Community Codes - unique code assigned to alliances and associations.
NVCSAlliance
The standardized name for the alliance within the National Vegetation Classification System. See http://usnvc.org/.
NVCSGroup
The standardized name for the group within the National Vegetation Classification System. See http://usnvc.org/.
NVCSMG
The standardized name for the macrogroup within the National Vegetation Classification System. See http://usnvc.org/.
Acres
GIS-calculated area measurements of each mapped polygon.
Hectares
GIS-calculated area measurements of each mapped polygon.
Shape_Length
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Shape_Area
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
20220324
California Department of Fish and Wildlife
VegCAMP (Vegetation Classification and Mapping Program)
Vegetation Classification and Mapping Program Lead
mailing and physical
1700 9th Street, 4th Floor
Sacramento
CA
95811
US
(916) 324-9765
VegCAMP@wildlife.ca.gov
FGDC Content Standard for Digital Geospatial Metadata
FGDC-STD-001-1998
local time