"熱帯山脈における種間の競争が鳥の範囲を制限する"に関するコメント

Dingliang Xing^1,2,3, Jian Zhang¹, Fangliang He^1,4

¹ECNU-Alberta Joint Lab for Biodiversity Study, Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, Shanghai 200241, China.

Science (New York, N.Y.)

|January 26, 2023

まとめ

競争ではなく気候の季節性によって鳥類の標高の範囲が決定されます競争データを再分析すると,

科学分野:

エコロジー
動物学
気候変動の生物学

背景:

生物多様性への影響も議論されている.
フリーマン等気候に基づく仮説に異議を唱える

研究の目的:

Freeman et al が使用したデータを再分析するために. 種間競争の仮説を検証する
鳥類の標高の範囲の決定における気候の季節性の役割を調査する.

主な方法:

既存の鳥類の分布データを再分析する.
気候の季節性やその他の主要変数を考慮する改訂された統計モデルを適用する.

主要な成果:

再分析では,種間の競争が高さの範囲を動かすという統計的根拠は見つかりませんでした.
気候の季節性は,鳥類の標高範囲と有意な正の相関関係を示した.
当初の研究の結論は,非最適のモデリングアプローチの人工物として識別されました.

結論:

気候の季節性は種間の競争よりも鳥の標高の範囲を決定する重要な要因です
気候の季節性など重要な環境変数を組み込む必要があります

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