Fisheries Current Events:

10/15/2021- Trinity River Spawning Survey Update

10/15/2021- Klamath River Spawning Surveys Update

08/02/2021- Klamath River Juvenile Salmonid Health Update

06/14/2021- Klamath River outmigrant monitoring update

05/17/2021- Klamath River outmigrant monitoring update

05/17/2020- Klamath River Juvenile Salmonid Health Update

01/04/2021- Trinity River Spawning Surveys 2020 Update/Summary

07/30/2019 - Klamath River outmigrant monitoring 2019 summary posted to AFWO website

01/31/2019 - Prevalence of Infection in Klamath River Basin Juvenile Chinook Salmon, March – August 2018

06/01/2018 - Regional Implementation Plan for Measures to Conserve Pacific Lamprey (Entosphenus tridentatus), California - Sacramento Regional Management Unit.

06/01/2018 - Regional Implementation Plan for Measures to Conserve Pacific Lamprey (Entosphenus tridentatus), California - San Joaquin Regional Management Unit.

03/06/2018 - 2017 Prevalence of Infection in Klamath River Basin Juvenile Chinook Salmon posted to AFWO website

12/20/2017 - Regional Implementation Plan for Measures to Conserve Pacific Lamprey (Entosphenus tridentatus), California - San Francisco Bay Regional Management Unit.

12/20/2017 - Performance of water temperature management on the Klamath and Trinity rivers, 2016

08/15/2017 - USFWS Arcata has developed a data set of Pacific Lamprey Historic and Current Distribution avialable on California Department of Fish and Wildlife BIOS website.

05/05/2017 - DOI has postponed all Trinity River Adaptive Managment Working Group meetings until further notice.

The 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 spatio-temporal scale is characterized for response to localized changes in channel morphology as they relate to spawning habitat. Spawning distribution on a broad spatio-temporal scale is characterized for the Program’s influence on habitats for multiple life histories expressed in spawning distribution over....More Details...