Fish Distribution in the Columbia River Basin and the Pacific Northwest, USA

Jul 29, 2011
A record of fish distribution and activity for species in the Columbia River basin and the Pacific Northwest.
Data Provided By:
StreamNet Project
Content date:
not specified
Contact Organization:
Pacific States Marine Fisheries Commission
Contact Person(s):
Use Constraints:
Data are collected at the 1:100,000 scale and only on streams that are included in the PNW reach LLID-based routing system. Generally, this includes all named streams at the 1:100,000 scale and some unnamed tributaries. Smaller tributaries that are not included in this routing system are not shown in this coverage. This data represents believed instances of fish distribution or habitat that likely supports fish distribution, and as every stream has not been fully evaluated, this is not an all-inclusive list of fish distribution in this region. Each arc included in this coverage represents a stream segment of suitable habitat currently believed to be utilized by wild, natural, and/or hatchery fish populations and/or streams where sightings of wild, natural, and/or hatchery fish have been documented..
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