Abstract -- The Willamette and Sandy rivers support intense recreational fisheries for spring

Abstract -- The Willamette and Sandy rivers support intense recreational fisheries for spring

Abstract -- In the Willamette Basin upstream of Willamette Falls (Figure 1), there are four distinct spring Chinook salmon hatchery programs (North Santiam [Stock 21], South Santiam [Stock 24], McKenzie [Stock...

Abstract -- In the Willamette Basin upstream of Willamette Falls (Figure 1), there are four distinct spring

Abstract -- Task 1.1: Distribution, Abundance, and Proportion of Hatchery and Natural-Origin Chinook Salmon: Counts of spring Chinook redds were similar in 2010 compared to the 2002–2009 averages for the...

Abstract -- We used genotypic data from 15 microsatellite loci to characterize the stock structure of Oncorhynchus mykiss in the upper Willamette River basin. We then used two analytical approaches, implemented...

Abstract -- In the Willamette Basin upstream of Willamette Falls (Figure 1), there are four distinct spring Chinook salmon hatchery programs (i.e., North Santiam [Stock 21], South Santiam [Stock 24], McKenzie...

Abstract -- To aid in the development of downstream passage options for juvenile salmonids at Upper Willamette reservoirs, we present results from screw trapping operations conducted upstream and downstream of...

Abstract -- In this study, we used multilocus microsatellite genotype data from 813 spring Chinook salmon Oncorhynchus tshawytscha to investigate patterns of genetic diversity within and among wild and hatchery...

Abstract -- The purpose of this investigation was to determine the status and distribution of sand roller Percopsis transmontana populations in the Willamette River basin. Sand rollers are rare and endemic to...