海洋資源が隣接する漁業に及ぼす影響

C M Roberts¹, J A Bohnsack, F Gell

¹Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. cr10@york.ac.uk

Science (New York, N.Y.)

|December 1, 2001

まとめ

海洋保護区は隣接する漁業を強化し,セントルシアでは小規模漁業者の漁獲を最大90%増加させ,フロリダでは記録的な魚を供給しています. この研究では,海洋資源の確保が確認されています.

科学分野:

マリン・コンセバション・マリン・コンセバション
漁業管理について漁業管理
生態系の回復生態系の回復

背景:

海洋保護区は,保全と漁業管理のために促進されます.
保護の利点は十分に文書化されていますが,漁業の利点は議論されています.

研究の目的:

海洋資源が隣接する漁業に与える影響を評価する.
漁業の収穫を増やすことにおける海洋保護区の役割を裏付ける証拠を提供すること.

主な方法:

セントルシアとフロリダ (メリット島国立野生生物保護区) のケーススタディ.
海洋保護区に隣接する小規模漁業およびレクリエーション漁業のキャッチデータ分析.
漁獲率と魚のサイズを時間とともに比較する.

主要な成果:

セントルシア: 漁業が5年間で46-90%増加した.
フロリダ州: 保護区は,1970年代以降,レクリエーション用漁業に記録的な大きさの魚を一貫して供給してきました.
証拠は,漁業の生産性に対する海産資源のポジティブな影響を支持しています.

結論:

海洋保護区は,隣接する漁業を強化するための効果的なツールです.
この発見は,海洋保護区の漁業上の利益に関する理論的予測を裏付けている.
海洋保護区の実施は,持続可能な漁業管理に貢献することができます.

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