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The Endangered yellow-headed parrot Amazona oratrix along the Pacific coast of Mexico

机译：墨西哥太平洋沿岸濒临灭绝的黄头鹦鹉Amazona oratrix

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摘要

The yellow-headed parrot Amazona oratrix is categorized as Endangered on the IUCN Red List but little is known about its distribution, particularly along the Pacific coast of Mexico. We used ecological niche models, with presence records from museum collections and historical sightings, overlain on vegetation maps, to predict the historical range of the yellow-headed parrot along the Pacific coast of Mexico. We compared this with the current range of the species, estimated with ecological niche models using presence-absence data from surveys during 2003-2008. We estimate that the range of the yellow-headed parrot along Mexico's Pacific coast has contracted by 79%. The current range may now cover only 18,957 km2, in three main areas. At one of these, a small isolated area on the coast of Jalisco, the species may be vulnerable to extirpation or genetic endogamy. There is a lack of conserved tropical semi-deciduous forest, which provides optimal habitat for reproduction of this parrot, within the current range of the species. Only the south, along the coast of Oaxaca, has extensive areas of this habitat. There are only three, small, protected areas within the species' current range. Conservation strategies need to be implemented to restore connectivity between the three main areas of the current range of the yellow-headed parrot on the Pacific coast of Mexico.
机译：黄头鹦鹉Amazona oratrix在IUCN红色名录上被列为濒危物种，但对其分布知之甚少，特别是在墨西哥太平洋沿岸。我们使用生态位模型，结合博物馆收藏和历史目击者的存在记录，并覆盖在植被地图上，以预测墨西哥太平洋沿岸的黄头鹦鹉的历史范围。我们将其与当前物种范围进行了比较，该物种范围是根据生态位模型使用2003-2008年调查中存在与否的数据估算得出的。我们估计，墨西哥太平洋沿岸的黄头鹦鹉的范围缩小了79％。目前的范围可能在三个主要区域仅覆盖18,957平方公里。在哈利斯科州沿海一个孤立的小区域中，该物种可能容易灭绝或遗传内婚。在该物种的当前范围内，缺少热带热带落叶林的保护，无法为这种鹦鹉的繁殖提供最佳的栖息地。瓦哈卡州沿海仅南部地区拥有此栖息地的广阔区域。在该物种目前的范围内，只有三个较小的保护区。需要实施保护策略，以恢复墨西哥太平洋海岸黄头鹦鹉当前范围的三个主要区域之间的连通性。

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  • 来源
    《Oryx》 |2010年第4期|p.602-609|共8页
  • 作者

    Tiberio Cesar Monterrubio-Rico; KatherineRenton; Juan Manuel Ortega-Rodriguez; Alejandro Perez-Arteaga; Ramon Cancino-Murillo;

  • 作者单位

    Laboratorio de Manejo y Conservacion de Fauna Silvestre, Facultad de Biologia, Universidad Michoacana de San Nicolas de Hidalgo, Edificio R, Ciudad Universitaria, Morelia, Michoacan 58194, Mexico;

    Estacion de Biologia Chamela, Instituto de Biologia, Universidad Nacional Autonoma de Mexico, San Patricio, Jalisco, Mexico;

    Laboratorio de Manejo y Conservacion de Fauna Silvestre, Facultad de Biologia, Universidad Michoacana de San Nicolas de Hidalgo, Edificio R, Ciudad Universitaria, Morelia, Michoacan 58194, Mexico;

    Laboratorio de Manejo y Conservacion de Fauna Silvestre, Facultad de Biologia, Universidad Michoacana de San Nicolas de Hidalgo, Edificio R, Ciudad Universitaria, Morelia, Michoacan 58194, Mexico;

    Laboratorio de Manejo y Conservacion de Fauna Silvestre, Facultad de Biologia, Universidad Michoacana de San Nicolas de Hidalgo, Edificio R, Ciudad Universitaria, Morelia, Michoacan 58194, Mexico;

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  • 正文语种 eng
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  • 关键词

    amazona oratrix; ecological niche modelling; fragmentation; historical distribution; mexico; tropical dry deciduous forest; yellow-headed parrot;

    机译：亚马逊oratrix;生态位模型;碎片化历史分布;墨西哥;热带干燥落叶林;黄头鹦鹉;

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