アフリカ の 保護 地域 で の 戦争 と 野生 生物 の 減少
Joshua H Daskin1, Robert M Pringle1
1Department of Ecology & Evolutionary Biology, Princeton University, Princeton, New Jersey 08544, USA.
Nature
|January 11, 2018
まとめ
武力紛争の頻度は アフリカの保護地域における 草食動物の大量減少を予測しています 紛争地域での保全活動や 停戦後の介入は 種の生存に不可欠です
科学分野:
- エコロジー
- 保護生物学
- 野生生物管理
背景:
- 大型哺乳類は生態系の健康に不可欠ですが 世界的に減少しています
- 人口減少の要因を理解することは 効果的な保全に不可欠です
- 武力紛争が野生動物群に与える影響は まだ不明です
研究 の 目的:
- アフリカの保護地域における 大規模な草食動物集団の動向に対する 武力紛争の影響を定量化する.
- 野生生物の減少を予測する要因として 紛争の頻度を特定する.
- 紛争の影響を受けた地域の保全戦略を参考にすること
主な方法:
- アフリカの保護区の71%で1946年から2010年までの大規模な草食動物集団の動向の分析
- 紛争の頻度と人口の変化の相関を評価するための統計モデリング
- 異なるレベルの紛争やその他の環境要因による人口動向の比較
主要な成果:
- 紛争の頻度が 野生動物の人口動向の 最も重要な予測要因でした
- 紛争の頻度がわずかに増加した.
- 人口は平和期に安定していたが,紛争で著しく減少したが,完全な崩壊は稀であった.
- 人口密度は近年の野生生物の軌跡と正の相関を示した.
結論:
- 武力紛争は アフリカの保護地域における 大規模な草食動物集団に 深刻な脅威をもたらしています
- 紛争地域での持続的な保全活動と 停戦後の迅速な介入は不可欠です
- 種の減少や絶滅を防ぐために 紛争の影響も考慮しなければなりません
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