冬の色彩ポリモルフィズムが,気候変動からの進化的救済のための地球的なホットスポットを特定する
L Scott Mills1,2, Eugenia V Bragina2, Alexander V Kumar2,3
1Wildlife Biology Program and Office of the Vice President for Research and Creative Scholarship, University of Montana, Missoula, MT 59812, USA. scott.mills@umontana.edu.
まとめ
進化的救済は 気候変動の生物多様性にとって 鍵となるものです 脊椎動物の季節的な毛皮の色の変化は,適応と保全のための重要なゾーンを特定します.
科学分野:
- エコロジー
- 進化生物学
- 保護科学
背景:
- 気候変動は生物多様性を脅かしており 適応特性を通じて 進化的救済が必要となります
- 気候変動の選択と直接関連している特徴はほとんどなく 保護の統合を妨げている.
- 脊椎動物における季節的な毛色の変色 (例えば,茶色から白色) は潜在的適応性である.
研究 の 目的:
- 人為的な気候変動による直接的な選択による脊椎動物の特徴を特定する.
- 脊椎動物種間の 冬の毛の色の変化を調査する.
- 変化する気候で 進化的救済のためのホットスポットを 特定するためです
主な方法:
- 脊椎動物8種から採取した 冬の毛色の2713個のサンプルを分析した
- 冬のコートの色にマッピングされたクリナル・グラデーション (茶色対白色モルフ).
- ポリモルフィックゾーンの共生を評価した.
主要な成果:
- 冬のコートの色で環境によって引き起こされるクリナル・グラデーションを特定した.
- 文書化された多形圏で 茶色と白色が共存しています
- 保護区のネットワークでは 代表が不足していることがわかりました
結論:
- 季節のコートの色は 気候変動の影響を受ける 重要な特徴です
- ポリモルフィックゾーンは 進化の救済のための 重要な領域を表しています
- 生物多様性を効果的に維持するために 保存戦略はこれらの進化的ホットスポットを 組み込む必要があります
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