Oregon Fish Habitat Distribution - Coho

Oct 8, 2010 (Last modified May 14, 2011)
Oregon Fish Habitat Distribution

These data describe areas of suitable habitat believed to be used currently by wild, natural, and/or hatchery fish populations. The term "currently" is defined as within the past five reproductive cycles. This information is based on sampling, the best professional opinion of Oregon Dept. of Fish and Wildlife or other natural resources agency staff biologists or modeling (see the fhdBasis field).

Due to natural variations in run size, water conditions, or other environmental factors, some habitats identified may not be used annually.

These data now comply with the Oregon Fish Habitat Distribution Data Standard that was adopted by the Oregon Geographic Information Council in March, 2008. The Standard document can be found at:

Historical habitat distribution data are outside the scope of the standard and are now maintained in separate datasets.

Key features of the Oregon Fish Habitat Distribution Data include: species, run, life history, habitat use, origin, production, the basis for each record, originator name, originator entity and reference.

Habitat distribution data are now mapped at a 1:24,000 scale statewide and are based on the Pacific Northwest Framework Hydrography dataset.

The data are made available as GIS files in both shapefile and ESRI geodatabase format.

The data were developed over an extensive time period ranging from 1996 to 2009.
Data Provided By:
Oregon Department of Fish and Wildlife
Content date:
not specified
Title: Oregon Fish Habitat Distribution - Coho
Credits: Oregon Department of Fish and Wildlife
Publication Date: 20100309
Online Linkages: Other Citation Info: These are now referred to as fish habitat distribution datasets and will no longer have the version number in the dataset name.
Contact Organization:
Oregon Dept. of Fish and Wildlife
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Use Constraints:
This spatial data layer was developed based on a variety of sources. Care was taken in the creation of this layer, but it is provided "as is." The Oregon Department of Fish and Wildlife cannot accept any responsibility for errors, omissions, or positional accuracy in the digital data or underlying records. There are no warranties, expressed or implied, including the warranty of merchantability or fitness for a particular purpose, accompanying any of these products. Notification of any errors would be appreciated please e-mail: jon.k.bowers@state.or.us Not all data are based on direct observations. See the Basis field (fhdBasis) for the varying levels of confidence in the data. Also located under the fhdBasis field is an explanation of the limited use of the "DocObsFish" confidence rating within the distribution data.
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