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Vegetation - Lassen Foothills [ds564]

Metadata Updated: November 23, 2025

The Tehama County Resource Conservation District contracted with the California Native Plant Society (CNPS) and Aerial Information Systems (AIS) to produce a fine-scale, spatially and floristically accurate vegetation map of the Lassen Foothills project area. This area encompasses a 108,400 acre portion of eastern Tehama County and covers three large parcels: South Denny Ranch, Tehama Wildlife Area, and Dye Creek Preserve. The project area represents a biologically diverse mix of vegetation types including grasslands, riparian, foothill chaparral, and oak woodlands. Vegetation resources were assessed through new and previous field surveys, classification analysis of 35 vegetation alliances, and mapping of 37 vegetation map units. To validate the vegetation map, an accuracy assessment with field verification was conducted by CNPS field staff. The minimum mapping unit (MMU) for the study area is approximately 1/2 hectare. Small wetlands were delineated in many incidences below the MMU. The 1/2 hectare MMU applied for all floristic and structural breaks as required by the contract. More information can be found in the project report, which is bundled with the vegetation map published for BIOS here: https://filelib.wildlife.ca.gov/Public/BDB/GIS/BIOS/Public_Datasets/500_599/ds564.zip

Access & Use Information

Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: See this page for license information.

Downloads & Resources

Dates

Metadata Created Date November 23, 2025
Metadata Updated Date November 23, 2025

Metadata Source

Harvested from State of California

Additional Metadata

Resource Type Dataset
Metadata Created Date November 23, 2025
Metadata Updated Date November 23, 2025
Publisher California Department of Fish and Wildlife
Maintainer
Identifier aaf68860-ef62-4473-9621-c9429a16366c
Data First Published 2020-01-27T20:03:09.000Z
Data Last Modified 2025-11-17T19:20:21.272Z
Category Natural Resources
Public Access Level public
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 32ac4702-43c7-43ad-a1db-ccfbb88c1225
Harvest Source Id 3ba8a0c1-5dc2-4897-940f-81922d3cf8bc
Harvest Source Title State of California
License http://www.opendefinition.org/licenses/cc-by
Source Datajson Identifier True
Source Hash 80ef08ba4a2970ff7c1a1f22d267e5509ca32e78a28fbee7c7fa1fd03f475a62
Source Schema Version 1.1

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