Recent Reports
J indicates CRITFC employee.
1 November 2018
Formation of Population Genetic Structure Following the Introduction and Establishment of Non-native American Shad (Alosa sapidissima) Along the Pacific Coast of North America
Biological invasions provide opportunities to examine contemporary evolutionary processes in novel environments. American shad, an anadromous fish native to the Atlantic Coast of North America, was introduced to California in 1871 and established spawning populations along the Pacific Coast that may...
1 December 2006
Salmon Restoration – A Native American Perspective from the Columbia River
While there is widespread public concern about the decline of salmon populations in the Pacific Northwest, no people have been so fundamentally hurt by this decline as the Native Americans of the region, for whom salmon had (and still have) such vital cultural, religious, and economic importance....
1 August 1998
A Computerized Editing System for Video Monitoring of Fish Passage
We designed and tested a videotape editing system that selected and removed video frames not containing fish images from source videotapes previously recorded in 24, 48, or 72 h time‐lapse modes. The system, based on image‐processing software and a personal computer, compressed videotapes of the...
1 May 2012
Protocol for Snorkel Surveys of Fish Densities: A component of Monitoring Recovery Trends in Key Spring Chinook Habitat Variables and Validation of Population Viability Indicators
This report describes a protocol for monitoring fish densities and fish assemblage structure using snorkel surveys. The Columbia River Inter-Tribal Fish Commission, Oregon Department of Fish & Wildlife, and Confederated Tribes of the Umatilla Indian Reservation have recognized the need to use a...