A comparison of aerial and boat-based surveys for marbled murrelets in southeast Alaska, July 23-28, 1991

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Abstract

Aerial and boat-based surveys for Marbled Murrelets (Brachyramphus marmoratus) were conducted simultaneously over short transect distances (ca. 2 km) in three different areas of the Alexander Archipelago to assess the accuracy and variability of aerial counts compared to boat-based counts. Additional aerial surveys were conducted over a wider geographic area to assess temporal and spatial variability of murrelet aggregations.

Additional publication details

Publication type Report
Publication Subtype Other Report
Title A comparison of aerial and boat-based surveys for marbled murrelets in southeast Alaska, July 23-28, 1991
Year Published 1991
Language English
Publisher U.S. Forest Service
Contributing office(s) Alaska Science Center
Description 13 p.
Country United States
State Alaska