Central Valley Fall and Late Fall-run Chinook Salmon ESU

Nov 4, 2014 (Last modified Aug 2, 2019)
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Description:
This dataset depicts the general boundaries of the Central Valley Fall and Late Fall-run Chinook Salmon evolutionarily significant unit (ESU) (i.e., a distinct population segment (DPS) under the U.S. Endangered Species Act) as well as the historical population structure of the species. These boundaries represent the freshwater spawning areas occupied currently and historically. Only the areas coded as Accessible (in attribute "Class") constitute the defined ESU/DPS boundary.
Data Provided By:
NOAA Fisheries, National Marine Fisheries Service
Content date:
not specified
Contact Organization:
NOAA Fisheries, National Marine Fisheries Service
Contact Person(s):
Use Constraints:
The distributor shall not be held liable for improper or incorrect use of this data, based on the description of appropriate/inappropriate uses described in this metadata document. It is strongly recommended that this data is directly acquired from the distributor and not indirectly through other sources which may have changed the data in some way.Please review the attribute data and process steps to determine appropriate depiction and item reference.This data is as correct and up-to-date, from the publication date, as possible according to the Hydrologic Unit Code (HUC) 6 boundaries. It should be noted that the boundaries shown include both the areas of the watersheds that are accessible and anthropogenically blocked, however the ESU/DPS boundaries are defined as only the areas that are accessible to the fish populations.Species do not necessarily inhabit all drainages or river reaches depicted.



Constraints from the source data:

These data should not be used at scales greater than 1:24,000 for the purpose of identifying hydrographic watershed boundary feature locations in the U.S.A. Photographic or digital enlargement of these maps to scales greater than that at which they were originally delineated can result in misrepresentation of the data. If enlarged, the maps will not include the fine detail that would be appropriate for mapping at the small scale.
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FGDC Standard Metadata XML
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Tags:
steelhead, california, nmfs, chinook, idaho, washington, salmon, boundary, oregon, esu, noaa, dps
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Conservation Biology Institute

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