Regional Ecosystem Office (REO) - Northwest Forest Plan

Survey and Manage: Species Specific Direction

Great Gray Owl, Red Tree Vole and Amphibians

General Direction

Site Management
Red tree vole, Arborimus longicaudus
Please also see the ISSSSP website in case there are updated documents or new information available for the red tree vole, https://www.fs.usda.gov/r6/issssp/search/. Search By Species (Scientific), Select Taxonomy Group Vertebrates – Mammals, then submit query. Then select species, Arborimus longicaudus – Red tree vole and select document type, All Documents, and submit query.

Pre-Disturbance Surveys

Site Management - High Priority Sites

Site Management - Non-High Priority Sites

Site Management - Managing Known Sites and Determining Habitat Areas

Red Tree Vole Viability Assessment

A qualitative viability assessment for the Red tree vole was completed across its full range and on each national forest based on the current land management plans as amended by the 1994 Northwest Forest Plan Record of Decision. The materials below identify habitat, risk factors, and how those risk factors influence habitat quality and populations.
Great gray owl, Strix nebulosa

Pre-Disturbance Surveys

Great Gray Owl Broadcast Calls for Pre-Disturbance Surveys

Thanks to the Cornell Laboratory of Ornithology for recorded material in Tracks 1-7. Thanks to Eleanor A. Pugh for recorded material in Tracks 8-16. To play, left-click on the music format of your choice. To download, right-click on the music format of your choice and select “Save target as”.

Please Note: Some computers may not support directly playing the MP3 audio file. You will need to download and save the file to your computer before you can play them.

Broadcast Calls for Pre-Disturbance Surveys

Bird Calls that May be Confused with Great gray owl calls and Other Owls You May Encounter During Your Surveys

Site Management
Amphibians

Pre-Disturbance Surveys

Site Management

  • Shasta salamander, Hydromantes shastae – Please see the January 2001 Record of Decision and Standards and Guidelines for Amendments to the Survey and Manage, Protection Buffer, and other Mitigation Measures Standards and Guidelines, page 40 of the Standards and Guidelines section.
  • Please see the ISSSSP website for conservation assessments, strategies, and/or agreements for the following species:
    • Larch Mountain salamander, Plethodon larselli
    • Siskiyou Mountains salamander, Plethodon stormi
    • Van Dyke’s salamander, Plethodon vandykei
https://www.fs.usda.gov/r6/reo/survey-and-manage/great-gray-owl-red-tree-vole-amphibians.php