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イギリスの狩猟禁止がキツネの数に与える影響

Philip J Baker¹, Stephen Harris, Charlotte C Webbon

¹School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK. s.harris@bristol.ac.uk

|September 6, 2002

まとめ

イギリスでは,フス・アンド・マウト病の流行に際して,犬で狐狩りを1年間禁止したが,狐の個体数には計測可能な影響はなかった. これは,恒久的な禁止が狐の数を大幅に増加させることはないことを示唆している.

科学分野:

野生生物の生態学野生生物の生態学
人口の動態
保護生物学とは,自然保護の生物学です.

背景:

イギリスにおけるキツネの集団の制御におけるキツネ狩りの役割に関する議論が存在します.
ハウンドでキツネ狩りは,野生生物管理に意味を持つ論争の的な慣行です.

研究の目的:

狐の個体数に対する狐の狩猟禁止の影響を評価する.
狐の集団制御と狩猟に関する議論のための経験的証拠を提供すること.

主な方法:

2001年の口疫の発生時に,全国的に1年間の狐狩りの禁止を活用した.
イギリス全土でランダムに選択された地域における狐の集団の変化を調べた.

主要な成果:

1年間のキツネ狩猟禁止令は,キツネの数に測定可能な影響はなかった.
研究対象地域では,狩猟の欠如にもかかわらず,キツネの集団密度は安定したままでした.

結論:

研究の結果は,狐の集団を制御するために狐の狩猟が不可欠であるという考えに異議を唱える.
結果は,狐狩りの永久禁止が狐の数を大幅に増加させる可能性が低いことを示しています.

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