This collection comprises the memoranda that have been produced annually since 2012 by MBM-Alaska for the Pacific Flyway to report abundance indices of lesser Canada geese, Taverner’s cackling geese, Western Population tundra swans, and trumpeter swans. The abundance indices of lesser Canada Geese and trumpeter swans were derived solely from WBPHS_AK data. Indices of Western Population tundra swans were derived from data collected during two MBM-AK surveys: WBPHS_AK and the Yukon-Kuskokwim Delta Coastal Zone Survey. Taverner’s cackling goose indices were derived from three MBM-AK surveys: WBPHS_AK, the Yukon-Kuskokwim Delta Coastal Zone Survey, and the Arctic Coastal Plain Survey. For further information on these surveys (including data and metadata) is available at the USFWS Alaska Region’s Regional Data Repository.
