陸上と淡水の統合計画により,熱帯水生種の保全が倍増する

Cecília G Leal^1,2, Gareth D Lennox³, Silvio F B Ferraz⁴

¹Luiz de Queiroz College of Agriculture, University of São Paulo, CEP 13418-900, Piracicaba, SP, Brazil. c.gontijoleal@gmail.com celtlen@gmail.com.

Science (New York, N.Y.)

|October 2, 2020

まとめ

陸地と淡水の保全計画を統合することで,淡水の生物多様性の恩恵を大幅に高める. このアプローチは,陸上の保全活動を損なうことなく,水生生物の保護を強化します.

科学分野:

エコロジー
保護生物学
生物多様性科学

背景:

淡水生態系への影響の理解は限られている.
淡水生物の多様性は世界的に減少しており標的を絞った保全活動が必要である.

研究の目的:

陸上の保全戦略の淡水コブ効果を評価する.
陸上環境と淡水環境の両方で生物多様性の獲得を最大化するために,統合された領域間の保全計画の有効性を評価する.

主な方法:

アマゾン流域の1500種以上の陸生生物と淡水生物から採取したサンプルです.
陸生生物と淡水生物の保全の優先順位をシミュレーションする.
水域接続データを用いた統合計画シナリオの分析

主要な成果:

陸上でのみ保全は淡水の潜在的利益の22%しか生み出せませんでした
統合計画により,陸上の目標への影響は最小限に留めながら,淡水の恩恵は最大600%増加しました.
限られた生物多様性データさえも淡水利用の利点を2倍にしました

結論:

効果的な淡水生物多様性保護には統合された保全計画が不可欠です
陸地と淡水の保全戦略を組み合わせることで協同効果が得られます
陸上生物と淡水生物の両方に利益をもたらすように保存活動を最適化できます

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