CWHR Links

• CWHR Information
• Wildlife Habitats
• Life History & Range Maps
• Field Forms & Guidelines
• CWHR Software Download
• CWHR GIS Data Download
• Spatial Model Prototypes

 

 

Biogeographic Data Branch
1807 13th Street, Suite 202
Sacramento, CA 95811
(916) 322-2493

California Wildlife Habitat Relationships

California Wildlife Habitat Relationships (CWHR) is a state-of-the-art information system for California's wildlife. CWHR contains life history, geographic range, habitat relationships, and management information on 692 species of amphibians, reptiles, birds, and mammals known to occur in the state. CWHR products are available to anyone interested in understanding, conserving, and managing California's wildlife.

Read more about the CWHR System and its components.

Products

  CWHR Software and GIS Data

• CWHR Version 8.1 Software and User's Manual (2005)     Order a Disc
  (110 mb for minimal install; 700 mb for full install)
  Please register before downloading CWHR Version 8.1 software.
  A registration form is provided on the download site. Thank you.
• CWHR GIS Data – Species Range Maps (2005)

  Publications

• A Guide to the Wildlife Habitats of California (1988 + updates)
  (Mayer, K.E. and W.F. Laudenslayer, Jr.)
• California's Wildlife (1988-1990 + updates)

  Spatial Model Prototypes

• Habitat Suitability Index (HSI) Models (1995)
  (Developed by UC Berkeley for CDFG CWHR Program, 1995)
• More information on the HSI models - PDF
• Reports for the 28 species
• The models
• CWHR Level II Modeling (2002)
  (Developed by the USFS Southwest Research Station for CDFG CWHR Program, 2002)
• Progress document for this new level of CWHR model - PDF
• Notes for the selected species
• Grouping Resources Algorithm for Biological Datasets (GRABS) - ZIP
• GRABS User Manual - PDF

  More Decision Support Tools Using CWHR

• Guilds in CWHR (CDFG Northern Region, Interior Timberland Planning)
• Brief preview of one of the applications - PDF
• All guild programs (scroll to bottom of page)

Product Support

• CWHR Frequently Asked Questions and Software Troubleshooting
• Standards and Guidelines for CWHR Species Models (December, 2000)
•   CWHR Version 8.1 Software Tutorial

Field Forms and Guidelines

•   Clarification of the Measurement of California Wildlife Habitat Relationships (CWHR) System Size Class 5 and 6 for Tree Habitats (2007) - PDF
• Revised Classification Rules (2005) - PDF
• Wooded Habitat Sampling Data Sheet - PDF
• Non-wooded Habitat Sampling Data Sheet - PDF
• Habitat Element Checklist - PDF