A 50-Year Perspective on Changes in a Pacific Northwest Breeding Forest Bird Community Reveals General Stability of Abundances

Abundances of breeding forest birds have apparently declined in North America during the last five decades, possibly influenced by anthropogenic effects. We re-surveyed breeding birds in coniferous woodland plots initially surveyed in the late 1960s in western Oregon, USA. We aligned methods with th...

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主要な著者:	Nolan M. Clements, Fang-Yu Shen, W. Douglas Robinson
フォーマット:	Artigo
言語:	Inglês
出版事項:	MDPI AG 2025-02-01
シリーズ:	Diversity
主題:	forest bird communities historical data long-term change Pacific Northwest density estimates distance sampling
オンライン･アクセス:	https://www.mdpi.com/1424-2818/17/2/123
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