Fish and Macroinvertebrate Studies

These documents have been split into sections to facilitate downloading. Each section is a PDF file. Your browser should be able to open these documents automatically. If not, a free PDF reader is available here. File sizes are indicated in parentheses.

Distribution of Fish and Crayfish, and Measurement of Available Habitat in the Tualatin River Basin, June 1995 (3.4 MB)

Distribution of Fish and Crayfish, and Measurement of Available Habitat in the Tualatin River Basin Inside the Urban Growth Boundary (544 KB)

Distribution and Abundance of Fish, and Measurement of Available Habitat in the Tualatin River Basin Outside of the Urban Growth Boundary (3.9 MB)

ASSESSMENT OF MACROINVERTEBRATE COMMUNITIES IN
RELATION TO LAND USE, PHYSICAL HABITAT, AND WATER
QUALITY IN THE TUALATIN RIVER BASIN, OREGON April 2002 (598 KB)

ASSESSMENT OF MACROINVERTEBRATE COMMUNITIES OF
THE TUALATIN RIVER BASIN November 2000 (9.74 Mb)

2005-2006 ASSESSMENT OF FISH AND MACROINVERTEBRATE
COMMUNITIES OF THE TUALATIN RIVER BASIN, OREGON (2.93 Mb) (cover page)