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Sam Williamson -

Aquatic Systems

Ecologist

Official Staff photo

Duty Station:
Fort Collins Science Center
2150 Centre Ave
Bldg C
Fort Collins, CO 80525

Phone: 970-226-9362
Fax: 970.226.9230
Email: williamsons@usgs.gov

Publications

Photo of publication.

Smart River GIS for improved decision making
Klamath River salmonid emigrant trapping catch, mortality, and external health indicators - 2004 U.S. Fish and Wildlife Service, Arcata Fish and Wildlife Office, Arcata California
A systems impact assessment model to evaluate components of the Klamath River ecosystem
Compilation of Phase I reports for the Klamath River Basin: report for Technical Work Group of the Klamath River Basin Fisheries Task Force
Cumulative Impacts Assessment and Management Planning: Lessons Learned to Date
A salmonid population model with emphasis on habitat limitations
Conceptual model for quantifying pre-smolt production from flow-dependent physical habitat and water temperature
Techniques for Assessing Cumulative Impacts
Guidance for modeling causes and effects in environmental problem solving
An Ecological Problem-Solving Process for Managing Special-Interest Species
Cumulative impacts assessment: an application to Chesapeake Bay
Preparing a FWS cumulative impacts program: January 1985 workshop proceedings
Evaluating the structure of habitat for wildlife
Water management alternatives at Reelfoot Lake: Results of a workshop
Problem analysis and planning for the FWS cumulative impacts program: August 1984 workshop proceedings

Staff Directory

Science Features

Mass blooms of brownish-orange Didymosphenia geminata, an invasive freshwater alga, cover this section of streambed in the White River, Ark. Photo shows Stage 2 colony expansion. Photo courtesy of Sarah Spaulding, USGS.

Riverine Science at the Fort Collins Science Center

Smart River GIS for Improved Decision Making

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