多様な熱帯生態系の未来

Jos Barlow¹, Filipe França^2,3, Toby A Gardner⁴

¹Lancaster Environment Centre, Lancaster University, Lancaster, UK. josbarlow@gmail.com.

Nature

|July 27, 2018

まとめ

熱帯地域には地球の生物多様性のほとんどが生息していますが森林破壊,過剰漁獲,気候変動による深刻な脅威に直面していますこれらの重要な生態系を崩壊から守るためには緊急の世界的な行動が必要である.

科学分野:

熱帯生態系
生物多様性の保全
環境科学

背景:

熱帯の生態系には珊瑚礁や陸上の鳥類を含む全ての種の75%以上が含まれています
これらの地域は森林破壊や過度漁業気候変動などの相互作用するストレス要因に直面しています
人口増加や統治の弱さなどの社会経済的要因は,これらの脅威を悪化させています.

研究の目的:

熱帯地域の生物多様性を強調する
熱帯の生態系に影響を及ぼす蔓延する脅威を概説する
自然保護の緊急性を強調する

主な方法:

熱帯生物多様性に関する既存のデータのレビュー
主要な人為的および環境的ストレス要因の分析
社会経済およびガバナンス要因の評価

主要な成果:

熱帯の生態系は生物多様性のホットスポットで世界的な種の多様性にとって不可欠です
熱帯生物多様性にとって重要なリスクとなるのは相互作用する複数のストレス因子です
治理の弱さと人口増加の圧力は効果的な保全を妨げています

結論:

緊急かつ協調的な地域的,国内的,国際的行動が不可欠です.
熱帯生物多様性の崩壊を防ぐには環境的要因と社会経済的要因の両方に対処する必要があります
これらの重要な生態系を保護するために,保全の努力を強化する必要があります.

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