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Summary of aerial survey observations from 1988 to 2005 that collected abundance, trend, and distribution of waterbird nesting populations in the Yukon-Kuskokwim Delta. Surveys were conducted from the mouth of the Yukon River in the north to Kuskokwim Bay in the south and extended 50 km inland.
Summary of aerial survey observations from 1988 to 2006 that collected abundance, trend, and distribution of waterbird nesting populations in the Yukon-Kuskokwim Delta. Surveys were conducted from the mouth of the Yukon River in the north to Kuskokwim Bay in the south and extended 50 km inland.