世界の水鳥の保存に成功するには,効果的なガバナンスが必要です
Tatsuya Amano1,2, Tamás Székely3,4, Brody Sandel5
1Conservation Science Group, Department of Zoology, University of Cambridge, The David Attenborough Building, Pembroke Street, Cambridge, CB2 3QZ, UK.
Nature
|December 21, 2017
まとめ
湿地の生物多様性を保護するには 効果的なガバナンスが不可欠です 強力なガバナンスが保全の成果を高めると同時に 弱いガバナンスが生物多様性の損失を悪化させています 特に水鳥の場合です
科学分野:
- エコロジー
- 保護生物学
- 環境科学
背景:
- 生物多様性の変化に関する理解は,特に湿地などの脅威にさらされている生態系におけるデータ不足によって制限されています.
- 湿地は重要な生物多様性があり 生産的な環境で 重要な生態系サービスを提供しています
- 水鳥は湿地の生物多様性状態の重要な指標です
研究 の 目的:
- 水鳥を指標として利用して湿地の生物多様性の変化のグローバルパターンを調査する.
- 水鳥の繁殖率の変化と保全の成功の主要な要因を特定する.
- 湿地の保全におけるガバナンスと保護地域の役割を評価する.
主な方法:
- 461種の水鳥の時間系列をモデル化した.
- 全世界の25,769の調査サイトからのデータを使用しています.
- 国レベルでのガバナンスと保護区の範囲の影響を分析する.
主要な成果:
- 効果的な国のガバナンスが 水鳥の多様性の変化を予測する最も強力な要因です
- 保護区のような保全の取り組みは より良いガバナンスを持つ国において より効果的です
- 水鳥の減少は 効果的なガバナンスが少ない地域で最も深刻です
結論:
- 社会政治的要因,特にガバナンス効率は,生物多様性に大きな影響を及ぼします.
- 脆弱なガバナンスやデータ不足は 生物多様性の危機を過小評価することにつながります
- 湿地の保全と生物多様性の減少を緩和するには 治理の改善が不可欠です
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