北海道におけるヤマゲラの繁殖期の分布

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書誌事項

タイトル別名
  • Distribution of the Grey-headed Woodpecker <i>Picus canus</i> during the Breeding Season in Hokkaido, Japan
  • ホッカイドウ ニ オケル ヤマゲラ ノ ハンショクキ ノ ブンプ

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説明

<p>The Grey-headed Woodpecker Picus canus was censused along 1,071 2-km transects situated in 953 5-km quadrats, in Hokkaido from late April to late July 1976–2014. Based on census results and records from the literature, Grey-headed Woodpeckers were recorded almost throughout Hokkaido, except on the plains and on neighboring islands. They occurred in 27% of quadrats in which censuses or observations were conducted, being observed mainly in mixed and deciduous broad-leaved forests, with occurrence rates (No. of transects of occurrence/No. of transects censused) of 22% and 23%, respectively, and at less than 550 m altitude.</p>

収録刊行物

  • 山階鳥類学雑誌

    山階鳥類学雑誌 47 (1), 33-39, 2015

    公益財団法人 山階鳥類研究所

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