USDA Forest Service

Pacific Southwest Research Station

Pacific Southwest
Research Station

800 Buchanan Street
Albany, CA 94710-0011
(510) 883-8830
United States Department of Agriculture Forest Service. USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.
[image:] TreeSearch, links to

Giving you access to more than 50,000 online USDA Forest Service Research publications.

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What's new
An American Marten looking straight at the camera.

This assessment and strategy was developed in response to the decline of the Humboldt marten throughout most of its historical range in California and Oregon.

Screen shot from FireMapper, an aerial thermal mapping system that can identify active sections of a fire perimeter. The Esperanza fire is shown burning predominantly southwest after the first several hours.

The Proceedings of the Fifth International Symposium on Fire Economics, Planning, and Policy: Ecosystem Services and Wildfires is now available in an English version and versión en Español.

Prolonged droughts are expected to become more common as the climate continues to warm, increasing stress on lower-elevation tree species.

The Fourth National Climate Change Assessment was recently released. PSW joined other USFS researchers to co-author the chapter highlighting impacts and risks to our Nation’s forests.

A colony of Townsend's big-eared bats together in a cave

A concerted effort by the scientific community has produced one of the largest and most complete datasets of recorded hibernacula in the western United States.

Image of smoke shrouding the Salmon River in August 2006.

Smoke generated by wildfires can cool river and stream water temperatures, according to a new study in California’s Klamath River Basin.

Science that makes a difference.

The Pacific Southwest Research Station is a world leader in natural resources research through our scientific excellence and responsiveness to the needs of current and future generations.

We represent the research and development branch of the USDA Forest Service in the states of California and Hawaii and the U.S. affiliated Pacific Islands. Our mission is to develop and communicate science needed to sustain forest ecosystems and their benefits to society.

Science Focus: Strengthen ties to communities
Cover of the Hawaii Conservation Alliance's Community Watershed Snapshot Project.
How healthy is your ahupua'a (watershed)?

Hawaii Conservation Alliance's Community Watershed Snapshot Guidebook is a first step to understanding, analyzing and addressing humanity's relationship with its environment as part of the solution to taking care of Hawai'i. This is a participatory and collaborative process to answer the burning question, "How healthy is your ahupua'a (watershed)?"

Completing the snapshots gave our communities the opportunity to produce game plans aimed at improving ridge-to-reef ecosystems by addressing some of the priority issues that currently exist. Through this snapshot process and cooperatively developed communications tools (poster, fact sheet with infographics and PowerPoint presentation), we have a greater ability to proceed on watershed scale resource management as a unified community.

Download the publication.

[image-text]: Recent Publications
Cover image psw-rp-270
Using species distribution models with climate change scenarios to aid ecological restoration decisionmaking for southern California shrublands

This paper features species distribution models for incorporating climate change scenarios into restoration decisions for southern California scrub and shrubland habitats.

Cover image psw-gtr-257
Passive monitoring techniques for evaluating atmospheric ozone and nitrogen exposure and deposition to California ecosystems

In this report, several alternative approaches for estimating N deposition are also considered as a guide for selecting appropriate techniques in ecosystem-effects studies in California and elsewhere.

Cover image psw-gtr-258
Proceedings of the Coast Redwood Science Symposium—2016: past successes and future direction. Proceedings of a workshop

With its limited range and high value, the coast redwood forest is a microcosm of many of the emerging science and management issues facing today’s forested landscapes.

Last Modified: Apr 1, 2019 03:02:27 PM