When is an "Extinct" Species Really Extinct? Gauging the Search Efforts for Hawaiian Forest Birds and the Ivory-Billed Woodpecker

Rare species, particularly those in inaccessible habitat, can go years without being observed. If we are to allocate conservation resources appropriately to conserving such species, it is important to be able to distinguish "rare" from "extinct." Criteria for designating extinct...

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書誌詳細

出版年:	Avian Conservation and Ecology
主要な著者:	J. Michael. Scott, Fred L. Ramsey, Martjan Lammertink, Kenneth V. Rosenberg, Ron Rohrbaugh, John A. Wiens, J. Michael. Reed
フォーマット:	論文
言語:	英語
出版事項:	Resilience Alliance 2008-12-01
主題:	Endangered Species Act extinction Hawaii monitoring survey effort
オンライン･アクセス:	http://www.ace-eco.org/vol3/iss2/art3/