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首页> 外文期刊>Trends in Ecology & Evolution >Pathogens as allies in island conservation?
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Pathogens as allies in island conservation?

机译：病原菌是岛屿保护中的盟友？

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摘要

Throughout the world, deliberate or accidental introductions of alien species have followed in the wake of explorers, hunters and settlers, often with devastating effects on endemic flora and fauna. Island populations have suffered disproportionately more than continents - more than 90% of extinctions since 1600 have been island forms. With more than 50% of listed endangered bird and reptile species currently found on islands, conservation actions are increasingly being directed to removal of alien species. In the past, culling programmes have eradicated several populations, including rabbits, rats, cats and goats. However, the approach has generally been successful only on small islands. Large island populations have proved much more difficult to eliminate and have consequently stimulated the exploration of alternative strategies. In a recent paper, Courchamp and Sugihara investigate the potential impact of introducing feline viruses as a means of controlling alien predator (cat, Felis catus) populations on the sub-Antarctic Kerguelen Islands (France). The paper uses mathematical models to explore predator-prey dynamics, in the presence of predator pathogens, and in combination with culling.
机译：在全世界，随着探险家，猎人和定居者的到来，有意或无意地引入了外来物种，这常常对当地动植物造成破坏性影响。岛屿人口遭受的损失比各大洲都要严重得多-自1600年以来，90％以上的灭绝是岛屿形式。当前在岛屿上发现了超过50％的所列濒危鸟类和爬行动物物种，因此保护行动正越来越多地致力于清除外来物种。过去，淘汰计划已消灭了一些种群，其中包括兔子，大鼠，猫和山羊。但是，该方法通常仅在小岛上才成功。事实证明，大岛屿人口的消除更加困难，因此刺激了对替代战略的探索。在最近的一篇论文中，Courchamp和Sugihara研究了引入猫病毒作为控制南极克格伦群岛（法国）外来捕食者（猫，猫）的潜在影响。本文利用数学模型探索存在食肉动物病原体并与扑杀相结合的食肉动物-食肉动物动力学。

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