MidCoast Watersheds Council: Sixth Field Watershed Assessment

Identification Information

Citation

Originator: MidCoast Watersheds Council, Ralph Garono and Laura Brophy

Publish Date: July 2001

Online Link: http://www.midcoastwatershedcouncil.org/watershed_assessment_2000/watershed_assessment.html

BPA Project #:

Contact Information

Agency: Watershed Councils

Name: Wayne Hoffman

Job Position: MidCoast Watersheds Council Coordinator

Telephone: (541) 265-9195

E-Mail Address: midcoast@newportnet.com

Description

Abstract: The goal of this watershed assessment was to prioritize 6th field watersheds within the MidCoast Region, and in the process we mapped landscape patterns of many types. We used existing information to map landscape patterns, focusing on patterns and processes that are important in creation and maintenance of anadromous salmonid habitat. Our charge in conducting this assessment was to use existing GIS data to the extent possible, and to create new GIS layers from data that had been collected by others, where feasible and useful for the assessment. Because of the large size of the study area, we did not collect field data for this assessment. We focused on data that had consistent, comprehensive coverage across the study area, to provide a valid basis for comparing the 217 6th field watersheds to each other. The main sections of the report are: setting, species of concern, aquatic habitats, water resources, sediment sources, and recommendations.

Purpose: The purpose of this study was to conduct a GIS-based assessment of watershed conditions, summarized at the 6th field watershed level, within the MidCoast Region of Oregon, with focus on habitat for anadromous fishes. We were charged with using existing GIS data, and with creating new GIS layers from data that had been collected by others, where this was feasible and useful for this assessment. Because of the large size of the study area (18 fifth field watersheds, 375,000 ha or 1,450 sq mi), we did not collect field data for this assessment.

Time Period of Content:

Geographic Extent: The study area for this assessment is composed of the Alsea, Salmon, Siletz, Yachats, and Yaquina River watersheds and those watersheds that drain directly to the ocean between Cascade Head and Cape Creek at Heceta Head (Ocean Tributaries).

Status: Final

Use Constraints: Data concerning rare, threatened and endangered species acquired from the Natural Heritage Program is not included in this report and can be obtained from the MCWC office. For CLAMS data, one should contact the CLAMS directly.

Format: Zip of PDF and JPEG files

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Is a physical copy maintained for reference at Headquarters? Unknown