Chinook salmon abundance
Chinook salmon abundance - OEHHA - CA.gov
California Chinook salmon populations are threatened by warming temperatures and changing conditions in freshwater and ocean habitats.
The remaining Chinook salmon populations are at as little as 10% of their historic numbers. The decline in salmon is closely associated with harvest rates, ...
Chinook Salmon | NOAA Fisheries
US wild-caught Chinook salmon is a smart seafood choice because it is sustainably managed and responsibly harvested under US regulations.
At best, Chinook salmon populations have remained about the same size since they were listed in 1999. Many populations have had small, 1-2 percent average ...
Understanding the factors that limit Alaska Chinook salmon ...
Poor Chinook salmon abundance has also led to decreased harvest in other salmon stocks where Chinook salmon are incidentally caught in the fisheries. a Ordered ...
While Sacramento River Chinook salmon abundance has been variable, winter-run abundance has seen low numbers over most of the past four decades. Salmon River ...
Chinook Salmon (Protected) - NOAA Fisheries
Two species of chinook salmon are listed as endangered under the Endangered Species Act, seven species are listed as threatened under the ESA, and one species ...
Trends in Chinook salmon spawner abundance and total run size ...
Our analysis revealed that most Chinook populations are declining, with negative trends in escapement (57 of 79) and total run (16 of 23) size.
Understanding How Ocean Harvest Affects the Size, Abundance ...
Chinook salmon harvested in coastal marine mixed-stock fisheries, such as those managed pursuant to the Pacific Salmon Treaty (PST), harvest unknown numbers of ...
CHINOOK SALMON ABUNDANCE LEVELS AND SURVIVAL OF ...
The Pacific Salmon Commission's (PSC) Chinook Abundance. Index values are significantly correlated with resident killer whale population health and the lower.
Number of natural-origin Chinook salmon on spawning grounds
This indicator evaluates the abundance values and their trends of the 22 Chinook salmon populations from five Puget Sound regions
Wild Adult Steelhead and Chinook Salmon Abundance and ...
The Hells Canyon genetic stock was the most abundant followed by the South Fork Salmon River. Large Chinook Salmon (≥57 cm FL) dominated the ad-clipped hatchery ...
Genetic-Based Abundance Estimates for Snohomish River Chinook ...
This project, begun in 2012 by the Washington Department of Fish and Wildlife under the Sentinel Stocks Program to estimate the abundance of Chinook salmon.
New Research Quantifies Record-Setting Salmon Abundance in ...
High overall salmon abundances primarily reflect high numbers of natural-origin and hatchery salmon in northern regions where habitat is less ...
Historical Abundance and Decline of Chinook Salmon in the Central ...
The once-great Central Valley salmon runs have been diminished over time. Major populations in some tributary streams have been severely reduced ...
Improving Abundance Estimates of Spring–Summer Snake River ...
Abstract. The Columbia River basin is home to a run of spring–summer Chinook Salmon Oncorhynchus tshawytscha that returns to the Snake River drainage of ...
Juvenile Chinook Salmon abundance in the northern Bering Sea
Juvenile abundance in the northern Bering Sea has increased since 2013 due to an increase in early life-history survival.
Chinook Salmon Research Initiative Yukon River Chinook Salmon
Abundance indices for juvenile Yukon Chinook salmon have been estimated since 2002 (excluding 2008) by NOAA from surveys employing large vessels and large ...
Wild Adult Steelhead and Chinook Salmon Abundance and ...
This report summarizes the abundance and composition of wild adult summer steelhead. Oncorhynchus mykiss and spring-summer Chinook Salmon O. tshawytscha ...
Chinook Salmon | Health of the Salish Sea Ecosystem Report
This is a 60% reduction in Chinook abundance since the Pacific Salmon Commission began tracking salmon data in 1984. ... abundance of Orca ...