California Department of Fish and Wildlife (CDFW)
20140822
Vegetation - Suisun Marsh - 2003 [ds162]
vector digital data
https://www.wildlife.ca.gov/Data/BIOS
https://filelib.wildlife.ca.gov/Public/BDB/GIS/BIOS/Public_Datasets/100_199/ds162.zip
This vegetation mapping project of Suisun Marsh blends ground-based classification, aerial photo interpretation, and GIS editing and processing. The method is based on the development of a quantitative vegetation classification, which is used to describe the vegetation map units of the marsh. The classification is defined to meet the specifications of the National and State standards for vegetation classification, but is related through a cross-walking table to other standard classifications in use locally or statewide.
The Suisun Marsh is one of the largest contiguous brackish marshes remaining in the United States. In 1977 the Suisun Marsh Preservation Act was legislated and required that the Suisun Marsh be managed for its wildlife resources. As part of the monitoring program in the Plan of Protection, a Triennial Vegetation Survey was developed to document the overall vegetation composition of the marsh and to monitor Salt Marsh Harvest Marsh (SMHM) habitat by the use of aerial photography in combination with ground verification. However, there were some concerns about the methodology used and the lack of useful maps from the 1988, 1991, and 1994 surveys. In 1996, an interagency technical committee was convened to review the current survey methodology and recommended a more detailed monitoring system for vegetation changes within the marsh. Consequently, in July 1997 the committee agreed to implement a new survey methodology for the 1998 vegetation survey. The first survey was complete in 1999 (see ds160). The dataset containing the results of the second year of the survey are reported in ds161. This enabled the first year of a change analysis by comparing vegetation in June 2003 and June 1999 (reported herein).
250 releve field samples were collected in 1999. 250 rapid assessment field samples were collected in 2000. 99 rapid assessment field samples were collected in 2003. The complete report is available at: http://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=18254. The attributes described in the 2003 Suisun Marsh Vegetation Change Detection report differ slightly to what is actually presented in this dataset. All attributes that reference the 1999 vegetation map (see Table 2 in the report) have been removed from this dataset, which now only reflects data for the 2003 Suisun Marsh vegetation. This is the second of five updates since the original map was made in 1999. The first update was conducted one year after the initial aerial photo-interpretation (see ds161), is described in Vegetation Mapping of Suisun Marsh, Solano County (Keeler-Wolf and Vaghti, 2000): https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=24570. The third update, done in 2006 (see ds500), is summarized in 2006 Vegetation Map Update for Suisun Marsh, Solano County, California (Boul and Keeler-Wolf 2008): https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=48107. The fourth update, done in 2009 (see ds711), is summarized in 2009 Vegetation Map Update for Suisun Marsh, Solano County, California (Boul and Keeler-Wolf 2012): https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=48108. The fifth update was done in 2012 (the vegetation map and report are not yet available to the public).
20030616
Based on aerial photography
None planned
-122.137460
-121.849125
38.251313
38.038229
None
biota
wetland
land cover
environment
Vegetation
inlandWaters
tidal
marsh
ISO 19115 Topic Categories
inlandWaters
environment
biota
None
San Francisco Bay Delta
Suisun Marsh
Solano County
California
None
DFW 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 Diana Hickson by email or by phone at 916-327-5956.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.
California Department of Fish and Wildlife (CDFW)
Vegetation Classification and Mapping Program
Program Lead
unknown
1700 9th Street, 4th Floor
Sacramento
CA
95811
US
(916) 324-9765
VegCAMP@wildlife.ca.gov
California Department of Fish and Wildlife (CDFW)
Vegetation Classification and Mapping Program
Program Lead
unknown
1700 9th Street, 4th Floor
Sacramento
CA
95811
US
(916) 324-9765
VegCAMP@wildlife.ca.gov
Vegetation Classification and Mapping Program (VegCAMP), Department of Fish and Wildlife.
Version 6.2 (Build 9200) ; Esri ArcGIS 10.5.1.7333
Edited original metadata by adding ISO keywords and contact information.
20070723
California Department of Fish and Game
Kristina White
bios@dfg.ca.gov
Vector
GT-polygon composed of chains
31026
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
ds162
Suisun marsh vegetation 2003 in State Plane II, NAD 83, Feet with attributes
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.
Esri
Coordinates defining the features.
SHAPE
Feature geometry.
ESRI
Coordinates defining the features.
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.
NVCSAlliance
The standardized name for the alliance within the National Vegetation Classification System. See http://usnvc.org/.
Esri
Sequential unique whole numbers that are automatically generated.
NVCSLevel
The standardized level of the vegetation description used in the National Vegetation Classification System (see http://usnvc.org/).
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
ESRI
Coordinates defining the features.
CaCode
California Natural Community Codes - unique code assigned to alliances and associations.
Sequential unique whole numbers that are automatically generated.
Habitat
Identifies the areas within the Marsh that are tidally influenced versus areas that are leveed (or managed).
1
Tidal: Tidal wetlands (including muted tidal) are those areas naturally affected regularly by tidal fluctuation The area may or may not be vegetated with vascular or non-vascular plants and may or may not have any evidence of human modification such as ditches, excavations, interrupted levees or berms etc.
2
Leveed: Leveed wetlands are those areas that are completely enclosed and are totally restricted to any natural tidal influence.
3
Slough
MgmtRegion
Each polygon falls within one of the four management Regions described in the Suisun Marsh Habitat Management, Preservation, and Restoration Plan (http://www.usbr.gov/mp/nepa/nepa_projdetails.cfm?Project_ID=781) and is attributed accordingly.
4
Region 4
1
Region 1
3
Region 3
2
Region 2
MapClassCode
Code for each vegetation type mapped. MapClassCodes are defined in the MapClass field.
ID
How assessment was determined.
U
Updated
R
Reconnaissance
P
Photo interpretation
S
Sampled 1999
S03
Sampled 2003
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.
DIST_03
Assessed disturbance class in 2003.
Esri
3
Medium
0
N/A
4
High
1
Not evident
2
Low
UID
Unique identifier for each polygon.
Sequential unique whole numbers that are automatically generated.
StateRank
The state rarity rank of the plant community mapped (only for alliances). G1 and S1: Fewer than 6 viable occurrences worldwide and/or 2000 acres; G2 and S2: 6-20 viable occurrences worldwide and/or 2000-10,000 acres; G3 and S3: 21-100 viable occurrences worldwide and/or 10,000-50,000 acres; G4 and S4: Greater than 100 viable occurrences worldwide and/or greater than 50,000 acres; G5 and S5: Community demonstrably secure due to secure worldwide and statewide abundance. See: http://www.natureserve.org/publications/ConsStatusAssess_RankMethodology.jsp.
Sequential unique whole numbers that are automatically generated.
GlobalRank
The global rarity rank of the plant community mapped (only for alliances). G1 and S1: Fewer than 6 viable occurrences worldwide and/or 2000 acres; G2 and S2: 6-20 viable occurrences worldwide and/or 2000-10,000 acres; G3 and S3: 21-100 viable occurrences worldwide and/or 10,000-50,000 acres; G4 and S4: Greater than 100 viable occurrences worldwide and/or greater than 50,000 acres; G5 and S5: Community demonstrably secure due to secure worldwide and statewide abundance. See: http://www.natureserve.org/publications/ConsStatusAssess_RankMethodology.jsp.
Sequential unique whole numbers that are automatically generated.
Hectares
GIS-calculated area measurements of each mapped polygon.
Esri
Sequential unique whole numbers that are automatically generated.
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/.
Sequential unique whole numbers that are automatically generated.
NVCSGroup
The standardized name for the group within the National Vegetation Classification System. See http://usnvc.org/.
Sequential unique whole numbers that are automatically generated.
NVCSMG
The standardized name for the macrogroup within the National Vegetation Classification System. See http://usnvc.org/.
Esri
Sequential unique whole numbers that are automatically generated.
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/.
Sequential unique whole numbers that are automatically generated.
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.
Esri
Sequential unique whole numbers that are automatically generated.
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.
Esri
Sequential unique whole numbers that are automatically generated.
COV_03
Assessed cover class in 2003.
Esri
0
N/A.
2
2 - 10%
1
<2%
4
25 - 50%
6
>75%
5
50 - 75%
3
10 - 25%
Sequential unique whole numbers that are automatically generated.
Rare
Rarity of the vegetation type. Alliances and associations with state ranks of S1-S3 are considered rare.
Y
Rare
N
Not Rare
Acres
GIS-calculated area measurements of each mapped polygon.
Esri
Sequential unique whole numbers that are automatically generated.
HT_03
Assessed height class in 2003.
Esri
6
>10m
0
N/A
1
<0.5m
4
2 - 5m
2
0.5 - 1m
3
1 - 2m
5
5 - 10m
Sequential unique whole numbers that are automatically generated.
California Department of Fish and Wildlife
Todd Keeler-Wolf
Senior Vegetation Ecologist, Vegetation Classification and Mapping Program
mailing and physical
1807 13th Street, Suite 202
Sacramento
CA
95811
916-324-6857
916-324-0475
Todd.Keeler-Wolf@wildlife.ca.gov
See access and use constraints information.
20220325
California Department of Fish and Wildlife (CDFW)
Vegetation Classification and Mapping Program
Program Lead
unknown
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