Data provided by National Oceanic and Atmospheric Administration
These data represent critical habitat designated (September 2, 2005, 70 FR 52630) under the Endangered Species Act for the Lower Columbia River Chinook salmon ESU.Critical habitat includes the stream channels within the designated stream reaches, and includes a lateral extent as defined by the ordinary high-water line (33 CFR 319.11). In areas where ordinary high-water line has not been defined, the lateral extent is defined by the bankfull elevation. Bankfull elevation is the level at which water begins to leave the channel and move into the floodplain and is reached at a discharge which generally has a recurrence interval of 1 to 2 years on the annual flood series. Critical habitat in lake areas is defined by the perimeter of the water body as displayed on standard 1:24,000 scale topographic maps or the elevation of ordinary high water, whichever is greater.See the final rule (70 FR 52630) for descriptions of areas excluded from this critical habitat designation. Excluded Habitat Conservation Plan (HCP) lands were not clipped out of the data.
About this Dataset
Updated: 2025-04-21
Metadata Last Updated:
2025-04-04T14:02:55.740Z
Date Created:
N/A
Data Provided by:
Dataset Owner:
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| Title | Chinook salmon Lower Columbia River ESU critical habitat for use in ESA/FIFRA consultations |
|---|---|
| Description | These data represent critical habitat designated (September 2, 2005, 70 FR 52630) under the Endangered Species Act for the Lower Columbia River Chinook salmon ESU.Critical habitat includes the stream channels within the designated stream reaches, and includes a lateral extent as defined by the ordinary high-water line (33 CFR 319.11). In areas where ordinary high-water line has not been defined, the lateral extent is defined by the bankfull elevation. Bankfull elevation is the level at which water begins to leave the channel and move into the floodplain and is reached at a discharge which generally has a recurrence interval of 1 to 2 years on the annual flood series. Critical habitat in lake areas is defined by the perimeter of the water body as displayed on standard 1:24,000 scale topographic maps or the elevation of ordinary high water, whichever is greater.See the final rule (70 FR 52630) for descriptions of areas excluded from this critical habitat designation. Excluded Habitat Conservation Plan (HCP) lands were not clipped out of the data. |
| Modified | 2025-04-04T14:02:55.740Z |
| Publisher Name | N/A |
| Contact | N/A |
| Keywords | Chinook salmon , critical habitat , Columbia River , Oregon , Pacific Northwest , Washington , DOC/NOAA/NMFS/OPR > Office of Protected Resources, National Marine Fisheries Service, NOAA, U.S. Department of Commerce , Species Critical Habitats for ESA FIFRA Consultations , biota , inlandWaters |
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