This book contains descriptions of 15 native and 16 nonnative fish (including origin, distribution, key characteristics, size, distinguishing features, color, diet, and other remarks) found in the Willamette River Basin's seasonal watercourses, with over a hundred photos to aid in identification. It also offers a succinct explanation of the Willamette...
The Willamette River flows north between the Cascade Mountains and Coast Range of western Oregon within a 29,728-km² basin. The fish community in the geologically young basin consists of 36 native species, but introductions of non-native fishes have added 33 additional species for a total of 69 fish species. During...
The Pacific Northwest has a relatively low diversity of primary freshwater fishes with most of the endemism and diversity in the Columbia River and Klamath River. However, the Oregon Coastal Subprovince defined as the coastal rivers from Miami River in the north to Sixes River in the south, has a...
The Oregon chub. Oregonichthys crameri. one of
Oregon's endemic freshwater fishes. is restricted to the
Willamette and Umpqua rivers and their tributaries.
Specimens from the two rivers have traditionally been
considered the same species. The goal of this study was to
re-examine that assumption and determine if the Willamette
Oregon...
This study describes streams in the Blue Mountains and Wallowa Mountains of Northeastern Oregon in order to characterize the interactions between the terrestrial and aquatic ecosystems and to determine how logging affects those relationships. Five stream reach pairs, each consisting of an undisturbed reach and a similar reach flowing through...
This research was conducted on the life history of the blue
chub, Gila (Gila) coerulea (Girard), inhabiting Paulina Lake, Oregon,
and the tui chub, Gila (Siphateles) bicolor (Girard), East
Lake, Oregon. The results are applied to the fisheries management
of these lakes. Both species are endemic to the Klamath River...
Published January 1973. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog