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Filtering by: Location Alsea River, Oregon, United States, (Hydrographic) Resource Type Technical Report

Recommended NWI revisions and GIS layer development for tidal wetlands of the Yaquina and Alsea River Estuaries

Creator:

Brophy, Laura S.

Abstract:

Green Point Consulting created a GIS layer of current and likely former tidal wetlands in the Yaquina and Alsea estuaries, working from the National Wetland Inventory (NWI) mapping and applied their field knowledge of the estuaries, as well as newly available data such as LiDAR and recent aerial orthophotos. They...

Resource Type:

Technical Report
The 1951 Alsea River silver salmon tagging program

Creator:

Morgan, Alfred R., Cleaver, Fred C. (Frederick Charles), 1916-, and Oregon. Fish Commission

Abstract:

During a tagging operation conducted in 1951 on the Alsea River, 1,142 adult silver salmon were tagged with plastic Petersen-type tags and stainless steel jaw tags. An attempt was made to determine whether tagged fish released in different apparent conditions suffered differential mortalities. Under the hypothesis that the recovery of...

Resource Type:

Technical Report