Arcata Fish and Wildlife Office
Pacific Southwest Region
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VISION: "Working with partners to restore and maintain fish and other aquatic resources at self-sustaining levels and to support Federal mitigation programs for the benefit of the American public."

Fisheries Current Events:

11/09/2015-Regional Implementation Plan for Measures to Conserve Pacific Lamprey (Entosphenus tridentatus), California – South Central Coast Regional Management Unit

10/14/2015 - Summary of Abundance and Biological Data Collected During Juvenile Salmonid Monitoring in the Mainstem Klamath River Below Iron Gate Dam, California, 2000-2013

08/07/2015 - Klamath River Juvenile Fish Health Update, August 7, 2015

05/11/2015-Klamath River outmigrant trapping update May 11, 2015

03/17/2015-Klamath River Fish Health Workshop 2015 Agenda and abstracts. Karuk Community Center, Yreka, CA, March 24th.

2/06/2015 - Regional Implementation Plan for Measures to Conserve Pacific Lamprey (Entosphenus tridentatus), California - North Coast Regional Management Unit.

12/22/2014 - Mainstem Trinity River spawning survey update through December 19, 2014

09/16/2014 - Memo: Detection of Ichthyophthirius multifiliis in adult Chinook from lower Klamath River.

07/31/2014 - Evaluation of Reductions in Sampling and Mark-Recapture Effort on the Bias and Precision of Juvenile Chinook Salmon Outmigrant Estimates on the Trinity River, California


arrow bulletThe distribution of salmon spawning is monitored annually in the Trinity River by Trinity River Restoration Program (TRRP) partners for response on two scales. Redd distribution on a fine spatiotemporal scale is characterized for response to localized changes in channel morphology as they relate to spawning habitat. Spawning distribution on a broad spatiotemporal scale is characterized for the Program’s influence on habitats for multiple life histories expressed in spawning distribution over....More Details...


Last updated: April 16, 2015