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...

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 -- 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 -- We released comparable groups of 1975 and 1976 brood spring chinook smolts at

Abstract -- Bull trout in the Middle Fork Willamette Basin once moved uninhibited back and forth from spawning and rearing habitats near Diamond Peak to foraging and overwintering habitats lower in the basin. ...

Abstract -- This watershed assessment of the lower Coast Fork Willamette (from the confluence with the Row River downstream to the confluence with the Middle Fork Willamette River) includes chapters on land...

Abstract -- The objective of this Fish Management and Evaluation Plan (FMEP) is to harvest known, hatchery origin spring Chinook and other fish species in a manner that does not jeopardize the survival and...

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 Watershed Restoration Summaries were developed by local watershed councils and other