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Modeling the distribution of wild rabbits (Oryctolagus cuniculus) on a Mediterranean island

机译：模拟地中海岛屿上野兔（Oryctolagus cuniculus）的分布

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摘要

The European rabbit (Oryctolagus cuniculus) is a widely distributed mammal with an often contradictory ecological role, imposing the need for population management. Sound management requires an in-depth understanding of the complex species-habitat relationships. In this study, CART analysis was employed to identify the most important environmental and anthropogenic factors affecting the spatial distribution of wild rabbit on Lemnos Island, northeastern Aegean Sea in Greece. On Lemnos, this species is considered an agricultural pest due to its overabundance resulting from the long-term absence of viral diseases, limited predation pressure, and lack of effective management. The study was carried out during the summer of 2008 by surveying rabbit densities in 181 2 x 2-km squares. Seven environmental and 14 anthropogenic variables, measured at two spatial scales, were used as explanatory variables. Soil hardness was the most influential variable, dividing the island into two distinct areas, namely the rabbit-poor areas with hard rocky soils and the rabbit-rich areas where soft soils prevail. In the former, the presence of a sharp relief can lead to complete absence of the species, while a combination of gentle relief, low altitudes, and low presence of arable land can lead to moderate rabbit density. In the latter, human-caused disturbance can reduce the number of rabbits, while a high density of ecotones and streams and a high presence of riparian vegetation can increase population densities to its highest levels observed. Our findings can formulate a scientific basis for the development of an effective management strategy for its population control.
机译：欧洲兔（穴兔（Oryctolagus cuniculus））是一种分布广泛的哺乳动物，通常具有相互矛盾的生态作用，因此需要进行种群管理。健全的管理需要对复杂的物种－栖息地关系有深入的了解。在这项研究中，使用CART分析来确定影响希腊爱琴海东北部Lemnos岛上野兔空间分布的最重要的环境和人为因素。在Lemnos上，由于长期缺乏病毒性疾病，有限的捕食压力和缺乏有效的管理，导致该物种过剩，被认为是一种农业害虫。该研究是在2008年夏季通过对181 2 x 2 km正方形的兔子密度进行调查而进行的。在两个空间尺度上测量的七个环境变量和14个人为变量用作解释变量。土壤硬度是影响最大的变量，将岛屿分为两个不同的区域，即坚硬岩石土壤的兔子贫乏地区和盛行软土的富兔子区域。在前者中，急剧的起伏可导致该物种的完全消失，而缓和的起伏，低海拔和耕地的低水平的结合可导致中等的兔子密度。在后者中，人为干扰可减少家兔的数量，而较高的过渡带和溪流密度以及沿岸植被的大量存在可将种群密度提高到所观察到的最高水平。我们的发现可以为制定有效的人口控制管理策略奠定科学依据。

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  • 来源
    《Ecological research》 |2013年第2期|317-325|共9页
  • 作者

    V. J. Kontsiotis; D. E. Bakaloudis; P. Xofis; N. Konstantaras; N. Petrakis; A. Tsiompanoudis;

  • 作者单位

    School of Forestry and Natural Environment, Aristotle University of Thessaloniki, PO Box 241, 540 06 Thessaloniki, Greece,Department of Forestry and Management of Natural Environment, Technological Educational Institute of Kavala, 1st km Drama-Mikrohori, 661 00 Drama, Greece;

    School of Forestry and Natural Environment, Aristotle University of Thessaloniki, PO Box 241, 540 06 Thessaloniki, Greece,Department of Forestry and Management of Natural Environment, Technological Educational Institute of Kavala, 1st km Drama-Mikrohori, 661 00 Drama, Greece;

    Department of Forestry and Management of Natural Environment, Technological Educational Institute of Kavala, 1st km Drama-Mikrohori, 661 00 Drama, Greece;

    Department of Forestry and Management of Natural Environment, Technological Educational Institute of Kavala, 1st km Drama-Mikrohori, 661 00 Drama, Greece;

    Department of Forestry and Management of Natural Environment, Technological Educational Institute of Kavala, 1st km Drama-Mikrohori, 661 00 Drama, Greece;

    School of Forestry and Natural Environment, Aristotle University of Thessaloniki, PO Box 241, 540 06 Thessaloniki, Greece;

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  • 正文语种 eng
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  • 关键词

    environmental and anthropogenic factors; CART; distribution; rabbit management; pests;

    机译：环境和人为因素;大车;分配;兔子管理;害虫;

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