Vegetation - Mendocino Cypress and Related Vegetation [ds2805]

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Tags
vegetation, Pygmy forest, Mendocino cypress, Mendocino County, Sonoma County, alliance level


Summary

The purpose of this map is delineate the unique suite of vegetation types, (or natural communities) that are restricted to, or characteristic of the nutrient-poor (oligotrophic) soils of the outer coast of Mendocino and adjacent Sonoma counties to support local planning, management, and conservation efforts.This includes, but is not limited to, vegetation characterized by the Mendocino or pygmy cypress (Hesperocyperis pygmaea).The map records information on the vegetation type, horizontal and vertical structure, and degree of disturbance for each individual occurrence. It also categorizes anthropogenic areas within the area, including development, roads, and other land-use patterns. These areas can show and summarize habitat loss or degradation relative to the likely original extent of the natural vegetation.

Description

The Mendocino Pygmy Forest is one of the best-known examples of a rare natural community in California. The unique soil and climatic attributes and the resulting vegetation of the Mendocino coastal terraces described by Jenny et al (1969), Westman (1975), Westman and Whittaker (1975), Sholars (1979), Sholars (1982), Sholars (1984) and others are well- known in the scientific and conservation literature.

The mapping and classification process assumed that the unique and biologically significant elements of the pygmy forest ecosystem were definable without a complete inventory of the surrounding regional vegetation and land-use patterns. The boundary of the mapped areas was created using existing geographic information on soils, topography, land use, along with fieldwork from previous efforts. Within that area, an array of vegetation samples were collected and classified representing the full array of vegetation patterns within it. The boundary was refined as part of the mapping process. It was later expanded to include property owned by the Mendocino Coast Park and Recreation District after receiving permission to conduct surveys as part of this project. (Polygons that would not have been mapped for the original project but are within the MCPRD property are marked MCPRD Additional in the Notes field.)

The map was produced using a classification based on an analysis of surveys taken throughout the range of the oligotrophic areas supporting Pygmy Forest vegetation. This classification has been incorporated into the Manual of California Vegetation Online Database. The map classification is mostly at the Association Level of the NVCS hierarchy (12 types), with some at the Alliance Level (5 types) and Group Level (3 types), and 4 land use and water classes. It was hand-digitized using photointerpretation based on the 2014 NAIP Imagery, with other ancillary data used to help with the identification of vegetation types. The minimum mapping unit was 1 acre for vegetation types, and 0.25 acres for water, developed and agricultural type. The total area mapped was 9782 acres.

An accuracy assessment performed on the map. The overall accuracy of each of the 5 most reliably sampled types was between 82 and 92 percent accuracy, meeting minimum accuracy standards.

For more information, see the supplemental information below and the report for the map cited in the references. https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=161736

References

California Department of Fish and Wildlife, Vegetation Classification and Mapping Program. Classification and Mapping of Pygmy Forest and Related Mendocino Cypress (Hesperocyparis pygmaea) Vegetation, Mendocino and Sonoma Counties, California. CDFW; 11/2018.

A Manual of California Vegetation, Online Edition . http://www.cnps.org/cnps/vegetation/ . California Native Plant Society, Sacramento, CA.

USNVC [United States National Vegetation Classification]. http://usnvc.org/ . 2017. United States National Vegetation Classification Database, V2.01. Federal Geographic Data Committee, Vegetation Subcommittee, Washington DC

Jenny, H. R.J. Arkley, and A.M. Schultz. 1969. The pygmy forest-podsol ecosystem and its dune associates of the Mendocino coast. Madroo 20:60-74.

Westman, W.E. 1975. Edaphic climax pattern of the pygmy forest region of California. Ecological Monographs 30:279-338.

Westman, W.E. and R.H. Whittaker. 1975. The pygmy forest region of northern California: studies on biomass and primary productivity. Journal of Ecology 63:493-520.

Sholars, R.E. 1979. Water relations in the pygmy forest of Mendocino County. Ph.D. diss. University of California, Davis.

Sholars, R.E. 1982. The pygmy forest and associated plant communities of coastal Mendocino County, California; genesis, soils, vegetation. Black Bear Press, Mendocino, CA.

Sholars, R.E. 1984. The pygmy forest of Mendocino. Fremontia 12(3): 3-8.

Bowles, C.J. and E. Cowgill. 2012. Discovering marine terraces using airborne LiDAR along the Mendocino-Sonoma coast, northern California. Geosphere 8(2):386402.

Soil Survey Staff, Natural Resources Conservation Service (NRCS), United States Department of Agriculture. Web Soil Survey. Available online at https://websoilsurvey.nrcs.usda.gov/ . Accessed [October 13, 2014].

National Agriculture Imagery Program (NAIP), United States Department of Agriculture. https://www.fsa.usda.gov/programs-and-services/aerial-photography/imagery-programs/naip-imagery/index

Credits

California Department of Fish And Wildlife (CDFW) Vegetation Mapping and Classification Program and CDFW Region 1

Use limitations

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 -123.810616 East -123.287672
North 39.488032 South 38.546173

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


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

Place keywords Mendocino County, Sonoma County, California North Coast, California, Ft. Bragg, Mendocino

Theme keywords Association level, vegetation

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Citation

Title Vegetation - Mendocino Cypress and Related Vegetation [ds2805]
Alternate titles PygmyForestVegetation_BIOS
Creation date 2018-10-1500:00:00
Publication date 2018-12-2000:00:00


Presentation formats * digital map


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Citation Contacts

Responsible party
Individual's name VegCAMP (Vegetation Classification and Mapping Program)
Organization's name California Department of Fish and Wildlife
Contact's position Vegetation Classification and Mapping Program Lead
Contact's role point of contact


Contact information
Phone
Voice (916) 324-9765

Address
Type both
Delivery point 1700 9th Street, 4th Floor
City Sacramento
Administrative area CA
Postal code 95811
e-mail address VegCAMP@wildlife.ca.gov

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Responsible party
Organization's name California Department of Fish and Wildlife
Contact's role originator


Contact information
Address
Type
Delivery point 1700 9th Street
City Sacramento
Administrative area CA
Postal code 95811

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Resource Details

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


Status on-going
Spatial representation type * vector


Supplemental information
We used several spatial data layers to circumscribe the potential universe of oligotrophic communities, the mapping area for this project. These included: Selected soil types from the SSURGO soil database (NRCS 2014) likely to support oligotrophic vegetation in coastal Mendocino and Sonoma counties, based on previous studies and field observations (Jenny et al. 1969, T. Sholars, pers. comm.). Primary soil types include Blacklock and Aborigine, Shinglemill-Gibney Complex, and Tropaquepts; secondary types include Gibney-Gibwell complex, Gibney loamy sand, Noyo coarse sandy loam, Seaside-Rock outcrop complex, and Tregoning-Cleone complex mapping units. Point locations for pygmy forest field observations made by CDFW Region 1 staff. H. pygmaea occurrences produced by the California Native Plant Society Rhiannon Korhummels field reconnaissance observations of pygmy forest or Mendocino cypress collected for graduate work (pers. comm.) Plant species composition and cover plot data collected along a soil gradient from pygmy to non-pygmy forest, provided by Dr. William Russell (pers. comm., see also Russell and Woolhouse 2012) Map of pygmy forest locations based on field observation and image interpretation from Tom Bendure, Mendocino Redwoods Company Inventory Forester (pers. comm). Sonoma and Mendocino county coastal marine terraces mapped using airborne LiDAR (Chris Bowles, pers. comm., see also Bowles, C.J. and E. Cowgill 2012). The polygons drawn from the combination of the above data served as the basis for the scope of our field sampling and mapping. Interpretation of aerial imagery (NAIP 2014) was used to exclude portions of the polygons that were heavily urbanized. As the mapping progressed, new areas south of the Navarro River were added based on image interpretation. The general rule for minimum mapping unit was 1 acre minimum for a vegetation polygon and 0.25 for land use and water polygons. In addition to map class, polygons could be created based on the other, following breaks: Break vegetation polygons of the same type into smaller polygons, with a 1-acre minimum mapping unit, based on a cover class change in the dominant layer per the following cover classes: Cover classes (Braun-Blanquet): 1=<1%, 2=1-5%, 3=>5-15%, 4=>15-25%, 5=>25-50%, 6=>50-75%, 7=>75% Also, break tree-dominated vegetation polygons of the same type into smaller polygons, with a 1-acre minimum mapping unit, based on changes in tree height class. Do not break on Exotics, Hydrologic/Nutrient modification, Roadedness values, or Anthropogenic alteration (unless the mmu for Anthropogenic alteration 0.25 acres is reached). Roads: Unpaved roads > 30 ft wide OR paved roads are mapped as Built Up and Urban Disturbance and split habitat polygons.
* Processing environment Microsoft Windows 10 Version 10.0 (Build 19044) ; Esri ArcGIS 12.8.3.29751


Credits
California Department of Fish And Wildlife (CDFW) Vegetation Mapping and Classification Program and CDFW Region 1
ArcGIS item properties
* Name ds2805
* Location file://\\geodata.\bios\WorkArea\BIOSOnline\Refresh\TODOData\BIOSOnlineData.gdb
* Access protocol Local Area Network

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Extents

Extent
Geographic extent
Bounding rectangle
Extent type Extent used for searching
* West longitude -123.810616
* East longitude -123.287672
* North latitude 39.488032
* South latitude 38.546173
* Extent contains the resource Yes

Extent in the item's coordinate system
* West longitude -327510.157700
* East longitude -286106.158700
* South latitude 65395.713000
* North latitude 168600.307800
* Extent contains the resource Yes

HideExtents

Resource Points of Contact

Point of contact
Individual's name VegCAMP (Vegetation Classification and Mapping Program)
Organization's name California Department of Fish and Wildlife
Contact's position Vegetation Classification and Mapping Program Lead
Contact's role point of contact


Contact information
Phone
Voice (916) 324-9765

Address
Type both
Delivery point 1700 9th Street, 4th Floor
City Sacramento
Administrative area CA
Postal code 95811
e-mail address VegCAMP@wildlife.ca.gov

HideContact information


HideResource Points of Contact

Resource Maintenance

Resource maintenance
Update frequency as needed


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Resource Constraints

Constraints
Limitations of use

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.


Legal constraints
Use constraints license


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Spatial Reference

ArcGIS coordinate system
* Type Projected
* Geographic coordinate reference GCS_North_American_1983
* Projection NAD_1983_California_Teale_Albers
* Coordinate reference details
Projected coordinate system
Well-known identifier 3310
X origin -16909700
Y origin -8597000
XY scale 10000
Z origin -100000
Z scale 10000
M origin -100000
M scale 10000
XY tolerance 0.001
Z tolerance 0.001
M tolerance 0.001
High precision true
Latest well-known identifier 3310
Well-known text PROJCS["NAD_1983_California_Teale_Albers",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",-4000000.0],PARAMETER["Central_Meridian",-120.0],PARAMETER["Standard_Parallel_1",34.0],PARAMETER["Standard_Parallel_2",40.5],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3310]]

Reference system identifier
* Value 3310
* Codespace EPSG
* Version 6.8(9.2.0)


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Spatial Data Properties

Vector
* Level of topology for this dataset geometry only


Geometric objects
Feature class name ds2805
* Object type composite
* Object count 0

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ArcGIS Feature Class Properties
Feature class name ds2805
* Feature type Simple
* Geometry type Polygon
* Has topology FALSE
* Feature count 0
* Spatial index TRUE
* Linear referencing FALSE

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HideSpatial Data Properties

Geoprocessing history

Process
Date 2022-04-1214:47:50
Tool location c:\program files\arcgis\pro\Resources\ArcToolbox\toolboxes\Conversion Tools.tbx\FeatureClassToFeatureClass
Command issued
Include in lineage when exporting metadata No


Process
Date 2022-04-1214:47:59
Tool location c:\program files\arcgis\pro\Resources\ArcToolbox\toolboxes\Data Management Tools.tbx\Project
Command issued
Include in lineage when exporting metadata No


Process
Date 2022-04-1214:48:08
Tool location c:\program files\arcgis\pro\Resources\ArcToolbox\toolboxes\Data Management Tools.tbx\Rename
Command issued
Include in lineage when exporting metadata No


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Distribution

Distribution format
* Name File Geodatabase 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/2800_2899/ds2805.zip
Function performed download

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Fields

Details for object ds2805
* Type Feature Class
* Row count 0


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


HideFieldShape


Field NVCSName
* Alias NVCSName
* Data type String
* Width 150
* Precision 0
* Scale 0
Field description
An NVC compliant scientific name for the vegetation community (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.
Description source
A Manual of California Vegetation, Second Edition (Todd Keeler-Wolf et.al 2009)
HideFieldNVCSName


Field NVCSLevel
* Alias NVCSLevel
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
The standardized level of the vegetation description used in the 2008 National Vegetation Classification System (see http://usnvc.org/) .
Description source
A Manual of California Vegetation, Second Edition (Todd Keeler-Wolf et.al 2009)
HideFieldNVCSLevel


Field MapClass
* Alias MapClass
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The finest level of vegetation type mapped (alliance, group or macrogroup); or land use for polygons that are not natural vegetation, per the mapping classification.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
HideFieldMapClass


Field MapClassCode
* Alias MapClassCode
* Data type Double
* Width 8
* Precision 0
* Scale 0
Field description
Code for each vegetation type mapped. MapClassCodes are defined in the MapClass field.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
HideFieldMapClassCode


Field ConCov
* Alias ConCov
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Estimate cover by cover class as birds-eye cover including plant porosity. Conifer (ConCov) cover is estimated based on regenerating trees as well as trees >6 dbh.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description none


Value 1
Description 0-1% cover


Value 2
Description >1-5% cover


Value 3
Description >5-15% cover


Value 4
Description >15-25% cover


Value 5
Description >25-50% cover


Value 6
Description >50-75% cover


Value 7
Description >75-100% cover


Value 9
Description not applicable (not a vegetation polygon)


HideFieldConCov


Field HdwdCov
* Alias HdwdCov
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Estimate cover by cover class as birds-eye cover including plant porosity. Hardwood (HdwdCov) cover is estimated based on regenerating trees as well as trees >6 dbh.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description none


Value 1
Description 0-1% cover


Value 2
Description >1-5% cover


Value 3
Description >5-15% cover


Value 4
Description >15-25% cover


Value 5
Description >25-50% cover


Value 6
Description >50-75% cover


Value 7
Description >75-100% cover


Value 9
Description not applicable (not a vegetation polygon)


HideFieldHdwdCov


Field TreeCov
* Alias TreeCov
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Estimate cover by cover class as birds-eye cover including plant porosity. Any overlap of conifer and hardwood is not included in the Total Tree Cover (TreeCov).
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description none


Value 1
Description 0-1% cover


Value 2
Description >1-5% cover


Value 3
Description >5-15% cover


Value 4
Description >15-25% cover


Value 5
Description >25-50% cover


Value 6
Description >50-75% cover


Value 7
Description >75-100% cover


Value 9
Description not applicable (not a vegetation polygon)


HideFieldTreeCov


Field ShrubCov
* Alias ShrubCov
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Shrub cover includes estimated shrub cover under trees in cover classes. However, if tree cover is greater than or equal to 50%, then shrub cover is not estimated ( =not applicable) because it is not possible to estimate.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description none


Value 1
Description 0-1% cover


Value 2
Description >1-5% cover


Value 3
Description >5-15% cover


Value 4
Description >15-25% cover


Value 5
Description >25-50% cover


Value 6
Description >50-75% cover


Value 7
Description >75-100% cover


Value 9
Description not applicable


HideFieldShrubCov


Field Roadedness
* Alias Roadedness
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Estimated percentage of the stand that does not have roads or one or two track vehicle trails, i.e., the area of largest unroaded (intact portion) of the stand divided by the area of the entire stand.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description None or none visible. However, note: we saw roads in areas of higher tree cover in the field that did not show up on the imagery.


Value 1
Description Low: there is an intact portion of the stand that makes up at least 67% of the entire stand. Also, if a stand is bounded by a road for more than 10 m of its perimeter, whether or not the road is pulled out as a separate poly (i.e., it is >10 m wide and paved), the polygon gets a 1 for roadedness.


Value 2
Description Moderate: between 33% and 66% of the vegetation polygon is intersected by roads.


Value 3
Description High: less than 33% of the vegetation polygon lacks roads.


Value 9
Description Not applicable.


HideFieldRoadedness


Field Development
* Alias Development
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Estimated percentage of the polygon that is affected by sub-mmu occurrences of structures, cement pads, trash piles, etc.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description None or none visible.


Value 1
Description Low: <2% of polygon affected. Structures, cement pads, trash piles, etc. are widely spaced at very low density.


Value 2
Description Moderate: 2-5% - Multiple examples of structures, cement pads, trash piles, etc. are visible throughout the polygon. There may be a dense concentration of development within a single or few parts of the vegetation polygon.


Value 3
Description High: >5% - Multiple structures, etc., are evenly distributed in a vegetated polygon to cover at least 5% of the polygon, but remain individually isolated and surrounded by the predominant vegetation for which the polygon is labeled. If such an area is 0.25 acres or larger, it would be mapped separately as a Built-up polygon.


Value 9
Description Not applicable.


HideFieldDevelopment


Field Exotics
* Alias Exotics
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
The level of invasion by exotics
List of values
Value 0
Description No exotics visable


Value 1
Description <2% of polygon affected, exotic plants are at low density or patchy.


Value 2
Description 2-5% of the polygon is affected


Value 3
Description >5% of the polygon is affected by exotics, or stand may be characterized by exotics


Value 9
Description Not applicable. Either understory not visable or mapped type not a vegetation class


HideFieldExotics


Field AntroAlt
* Alias AnthropogenicAlteration
* Data type String
* Width 50
* Precision 0
* Scale 0
Field description
Anthropogenic areas of little or no vegetation: These are areas with little vegetation cover resulting from human-related clearing. Vegetation is <10% cover, and, if present, is not evenly or naturally distributed across the polygon. A small area of herbaceous vegetation that is adjacent to a larger cleared area may be included in a polygon mapped as this type.
HideFieldAntroAlt


Field HydroNutrientMod
* Alias HydroMod
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
This attribute captures, when interpretable on the imagery, situations in which hydrologic and/or nutrient modification has resulted in changes to oliotrophic vegetation. These situations occur when oligotrophic soils are being unnaturally drained by roads and ditches, or when nutrients from adjacent land use increase the stature or cover of otherwise pygmy vegetation.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 0
Description No hydrology/nutrient modification


Value 1
Description Appears altered by hydrology or nutrient changes


Value 9
Description Not applicable


HideFieldHydroNutrientMod


Field MethodID
* Alias MethodID
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
How the map unit and attributes were determined:
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 1
Description Rapid assessment (current project)


Value 2
Description Relev


Value 3
Description Field verification or accuracy assessment field form


Value 4
Description Photo interpretation


Value 5
Description Adjacent stand information or photo


Value 6
Description Reconnaissance (current project)


Value 7
Description Other information (can include using street view in Google Earth)


Value 8
Description Other plot information


Value 9
Enumerated domain value definition source Older reconnaissance data


HideFieldMethodID


Field SurveyID
* Alias SurveyID
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
Sample identification number, if a field form was used to attribute the polygon.
HideFieldSurveyID


Field Notes
* Alias Notes
* Data type String
* Width 254
* Precision 0
* Scale 0
Field description
Any comments that may be helpful to map users. The maping boundary was expanded to include property owned by the Mendocino Coast Park and Recreation District after receiving permission to conduct surveys as part of this project. Polygons that would not have been mapped for the original project but are within the MCPRD property are marked MCPRD Additional in the Notes field.
HideFieldNotes


Field TreeHeight
* Alias TreeHeight
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
The height class for the dominant layer. For classic pygmy vegetation, the tree height may be 1-5 m, even though they have been listed as regenerating tree in the field sample. If there are some taller trees over a pygmy layer, the modal height has been recorded, that is, the pygmy tree height. Not averaged with emergent tree height. For shrub types with an emergent tree layer, the height of that layer is here.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value 2
Description <1 m


Value 4
Description 1-5 m


Value 5
Description 5-10 m


Value 6
Description 10-15 m


Value 11
Description >15 m


Value 99
Description not applicable


HideFieldTreeHeight


Field TreeDBH
* Alias TreeDBH
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
An estimate of the mean diatemer at breast height of all trees over the entire stand, weighted towards the larger trees' dbh values.
Description source
Classification and Mapping of Pygmy Forest and Related Mendocino Cypress Vegetation (VegCAMP 2018)
List of values
Value T1
Description <1 dbh


Value T2
Description 1 to 6 dbh


Value T3
Description >6 to 11 dbh


Value T4
Description >11 to 24 dbh


Value T5
Description > 24 dbh


Value 99
Description not applicable


HideFieldTreeDBH


Field UID
* Alias UID
* Data type String
* Width 25
* Precision 0
* Scale 0
Field description
Unique identifier for each polygon.
HideFieldUID


Field CalVegName
* Alias CalVegName
* Data type String
* Width 75
* Precision 0
* Scale 0
Field description
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 .
Description source
http://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192 .
HideFieldCalVegName


Field CalVegCode
* Alias CalVegCode
* Data type String
* Width 10
* Precision 0
* Scale 0
Field description
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 .
Description source
http://www.fs.usda.gov/detail/r5/landmanagement/resourcemanagement/?cid=stelprdb5347192 .
HideFieldCalVegCode


Field CWHRType
* Alias CWHRType
* Data type String
* Width 75
* 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. See http://www.dfg.ca.gov/biogeodata/cwhr/ .
Description source
See http://www.dfg.ca.gov/biogeodata/cwhr/ .
HideFieldCWHRType


Field CWHRCode
* Alias CWHRCode
* Data type String
* Width 15
* 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. See http://www.dfg.ca.gov/biogeodata/cwhr/ .
Description source
See http://www.dfg.ca.gov/biogeodata/cwhr/ .
HideFieldCWHRCode


Field GlobalRank
* Alias GlobalRank
* Data type String
* Width 5
* Precision 0
* Scale 0
Field description
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
Description source
http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf
HideFieldGlobalRank


Field StateRank
* Alias StateRank
* Data type String
* Width 5
* Precision 0
* Scale 0
Field description
The state rarity rank of the plant community. 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
Description source
http://www.natureserve.org/sites/default/files/publications/files/natureserveconservationstatusmethodology_jun12_0.pdf
HideFieldStateRank


Field Rare
* Alias Rare
* Data type String
* Width 3
* Precision 0
* Scale 0
Field description
Rarity of the vegetation type. Alliances and associations with state ranks of S1-S3 are considered rare.
Description source
https://www.wildlife.ca.gov/Data/VegCAMP/Natural-Communities/Background
HideFieldRare


Field CaCode
* Alias CaCode
* Data type String
* Width 10
* 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
HideFieldCaCode


Field NVCSAlliance
* Alias NVCSAlliance
* Data type String
* Width 100
* Precision 0
* Scale 0
Field description
An NVC compliant scientific name for the vegetation alliance (see http://usnvc.org/). . See http://usnvc.org/ .
Description source
A Manual of California Vegetation, Second Edition (Todd Keeler-Wolf et.al 2009)
HideFieldNVCSAlliance


Field NVCSGroup
* Alias NVCSGroup
* Data type String
* Width 150
* Precision 0
* Scale 0
Field description
The standardized name for the group within the 2008 National Vegetation Classification System. See http://usnvc.org/ .
Description source
A Manual of California Vegetation, Second Edition (Todd Keeler-Wolf et.al 2009)
HideFieldNVCSGroup


Field NVCSMG
* Alias NVCSMG
* Data type String
* Width 255
* Precision 0
* Scale 0
Field description
The standardized name for the macrogroup within the 2008 National Vegetation Classification System. See http://usnvc.org/ .
Description source
A Manual of California Vegetation, Second Edition (Todd Keeler-Wolf et.al 2009)
HideFieldNVCSMG


Field Acres
* Alias Acres
* Data type Double
* Width 8
* Precision 0
* Scale 0
Field description
GIS-calculated area measurements of each mapped polygon.
HideFieldAcres


Field Hectares
* Alias Hectares
* Data type Double
* Width 8
* Precision 0
* Scale 0
Field description
GIS-calculated area measurements of each mapped polygon.
HideFieldHectares


Field Shape_Length
* Alias Shape_Length
* Data type Double
* Width 8
* Precision 0
* Scale 0
* Field description
Length of feature in internal units.
* Description source
Esri
* Description of values
Positive real numbers that are automatically generated.


HideFieldShape_Length


Field Shape_Area
* Alias Shape_Area
* Data type Double
* Width 8
* Precision 0
* Scale 0
* Field description
Area of feature in internal units squared.
* Description source
Esri
* Description of values
Positive real numbers that are automatically generated.


HideFieldShape_Area


HideDetails for objectds2805


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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 2022-04-12


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


Created in ArcGIS for the item 2022-04-1214:47:56
Last modified in ArcGIS for the item 2022-04-1214:47:49


Automatic updates
Have been performed Yes
Last update 2022-04-1214:47:49


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Metadata Contacts

Metadata contact
Individual's name Rosie Yacoub
Organization's name California Department of Fish and Wildlife
Contact's position GIS Specialist
Contact's role processor


Contact information


Metadata contact
Individual's name VegCAMP (Vegetation Classification and Mapping Program)
Organization's name California Department of Fish and Wildlife
Contact's position Vegetation Classification and Mapping Program Lead
Contact's role point of contact


Contact information
Phone
Voice (916) 324-9765

Address
Type both
Delivery point 1700 9th Street, 4th Floor
City Sacramento
Administrative area CA
Postal code 95811
e-mail address VegCAMP@wildlife.ca.gov

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Metadata Maintenance

Maintenance
Update frequency as needed


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Metadata Constraints

Constraints
Limitations of use

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