Evolutionary Significant Unit Boundaries, Chinook Salmon: Russian River, California, 2002

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Abstract/Contents

Abstract: This line shapefile of evolutionary significant unit boundaries was compiled from various sources based on written descriptions in National Marine Fisheries Service (NMFS) status reviews (available upon request) and mapping provided by NMFS. An Evolutionary significant unit, or ESU, of Pacific salmon is considered to be a "distinct population segment" and thus a "species" under the Endangered Species Act. Initial boundaries were derived from USGS 1:250,000 scale hydrologic unit boundaries. Drainage basin delineation from blockages was based on 1:100,000 stream hydrography and/or and available digital topography(1:250,000). Species do not necessarily inhabit all drainages or river reaches depicted.
Purpose: This dataset includes evolutionary significant unit (ESU) polygons depicting major basins within the current known range of each ESU, and were modified based on migration blockages and known fish distribution.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	1.191
Place	Windsor, California, US
Publisher	Circuit Rider Productions
Date valid	2002
Publication date	2002
Language	English
Digital origin	born digital
Map data	Scale not given. ; EPSG::26910 W 124°45ʹ58ʺ--W 112°12ʹ9ʺ/N 49°3ʹ40ʺ--N 36°49ʹ29ʺW 124°44ʹ31ʺ--W 112°59ʹ40ʺ/N 49°1ʺ--N 37°9ʹ, Scale not given ; EPSG::4326

Creator	Circuit Rider Productions

Subject	Chinook salmon
Subject	Sonoma County (Calif.)
Subject	Mendocino County (Calif.)
Subject	Russian River Watershed (Calif.)
Subject	2002
Subject	Environment
Subject	Inland Waters
Genre	Geospatial data
Genre	Cartographic dataset

WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/rs384cg4043

Use and reproduction: These data are licensed by Stanford Libraries and are available to Stanford University affiliates only. Affiliates are limited to current faculty, staff and students. Non affiliates seeking access should contact the publisher directly. These data may not be reproduced or used for any purpose without permission.
Copyright: Copyright ownership resides with the originator.

Preferred citation: Circuit Rider Productions and National Oceanic and Atmospheric Administration (2002). Evolutionary Significant Unit Boundaries, Chinook Salmon: Russian River, California, 2002. Circuit Rider Productions. Available at: http://purl.stanford.edu/rs384cg4043

Russian River watershed GIS

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