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鳥類の世界的高地多様性と多様化
Ignacio Quintero1, Walter Jetz1,2
1Department of Ecology and Evolutionary Biology, Yale University, 165 Prospect Street, New Haven, Connecticut 06520, USA.
Nature
|February 22, 2018
まとめ
山の生物多様性のピークは 生物の多様性が高くなることではなく 生物の多様性が広まることによるものです 高地では富が線形に減少し 急速な多様化により 独特の山岳生物多様性が生じます
科学分野:
- エコロジー
- 進化生物学
- 生物多様性科学
背景:
- 山脈は 生物多様性のホットスポットで 環境の脅威に直面しています
- 高度生物多様性のグラデーションのグローバル特徴は,データとツールによって制限されています.
- 山岳コミュニティの組み立てと維持プロセスの理解は不可欠です
研究 の 目的:
- 生物多様性の高さグラデーションとその進化的起源を世界的に特徴づける.
- 山脈の鳥の多様性の要因を調査する
- 山岳生物多様性の形成における多様化率の役割を理解する.
主な方法:
- 世界の山脈の鳥類の多様性を分析した.
- 種範囲の大きさを考慮するサブサンプリング手順
- 高度グラデーションの多様化率の比較
主要な成果:
- 世界中にある鳥類のピークは 鳥類の多様性の宝物です
- 範囲の大きさに調整された富は,高さが増えるにつれて線形に減少します.
- 高度が高く,貧乏な集団は多様化率が高くなります.
- 過去の温度変化率は,高地間の多様化率と相関しています.
結論:
- 鳥類の繁殖のピークは 種の範囲の大きさによるものです
- 高地での生物多様性は,進行中の最近の多様化プロセスによって形成されています.
- 気候の変動は,山岳生物多様性の進化動態の主要な要因です.
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