WOPR Chum Distribution Arc

Feb 11, 2014 (Last modified Jul 10, 2014)
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These data describe areas of suitable habitat believed to be used (currently and historically) by wild, natural, and/or hatchery fish populations. The term "currently" is defined as within the past five reproductive cycles. See the 'USETYPE' field description to differentiate between current and historic distribution. This information is based on extensive surveys, the best professional judgment of ODFW staff biologists and where possible, the professional opinions of staff from other natural resource agencies. Due to natural variations in run size, water conditions, or other environmental factors, some areas displayed may not be used by a species of fish on an annual basis. The Natural Resources Information Management Program (ODFW) makes no statement as to the validity of species absence in any particular area unless the record is accompanied by a confidence rating (see the attribute item, 'QUALCRIT') and the name of the biologist who contributed the information. See Supplemental Information for additional detail. The data was compiled by ODFW (Oregon Department of Fish and Wildlife) district biologists and fisheries biologists from other state, federal and tribal natural resource agencies. See the RefID field for reference information on source contributors.<br /><br />BLM (Bureau of Land Management) WOPR (Western Oregon Plan Revision) FSH (Fish) PRMP: (Proposed Resource Management Plan) NRIMP: (Natural Resources Information Management Program) ODFW: (Oregon Department of Fish and Wildlife) Supplemental Information from ODFW as follows: Data History: Genetic origin and present production data have recently been added to the distribution datasets. For an explanation of the categories and definitions, see the Entity and Attribute section. Supporting observation data (e.g. mapped fish survey locations) were recently published in GIS format and are available under the Observation - Sightings heading on the NRIMP Data Resources web site. These data represent a partial compilation of existing observation data. There are a limited number of cases where documented observation records extend beyond (upstream of) the distribution data. Based on a preliminary review, NRIMP has decided not to extend the distribution data for these records pending more thorough evaluation of each individual case. For example, the documentation record may be based on a ground measurement, such as 'rivermile,' which doesn't translate accurately into the GIS. The ground measures, in particular for streams of significant length and / or sinuousity, can sometimes be greater than the GIS measures that are built into the stream route system. These differences have yet to be reconciled. This data has been clipped to the WOPR extent boundary for analysis purposes.
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Bureau of Land Management; Oregon State Office
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Bureau of Land Management; Oregon State Office, 20081001, WOPR Chum Distribution Arc.
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Creative Commons LicenseThis work is licensed under a Creative Commons Attribution 3.0 License.
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North Pacific LCC Data Coordinator
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The North Pacific Landscape Conservation Cooperative promotes development, coordination, and dissemination of science to inform landscape level conservation and sustainable resource management in the face of a changing climate and related stressors