Large-scale habitat associations of birds in lowland Iceland:: Implications for conservation
Large-scale habitat associations of birds in lowland Iceland:: Implications for conservation
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DOI：
10.1016/j.biocon.2005.09.034
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发表时间：
2006-03-01
影响因子：
5.9
通讯作者：
Sutherland, WJ
中科院分区：
文献类型：
--
作者：
Gunnarsson, TG;Gill, JA;Sutherland, WJ
冰岛是许多国际上重要的繁殖鸟类种群的负责人，但目前对这些物种如何利用现有的栖息地知之甚少。特别是冰岛的低地地区，在上个世纪经历了重大的地貌变化，例如湿地大面积排水和转为农业、放牧压力的变化以及最近的大规模植树造林。这些变化对繁殖鸟类的影响将取决于不同栖息地对每个物种的相对重要性，以及这些栖息地面临的威胁。在这里，我们报告的结果，一个大规模的调查的影响因素的8个种群的Charadriiform的鸟类物种在整个低地冰岛的栖息地选择的模式，牡蛎捕手Haematopus ostralegus，黄金普洛弗Pluvialis corparia，dunlin Calidris alpina，鹬Gallinago gallinago，Whimbrel Numenius phaeopus，黑尾godwit Limosa limosa，红脚鹬Tringa totanus和北极贼鸥Stercorarius parasiticus。排序分析和多元逻辑回归模型的构建，以探讨影响这些物种的分布的栖息地的组成部分。分析的八个物种中有五个对低地湿地生境有明显的偏好，四个明显选择的地区含有潮湿的特征，如游泳池和高水位。这些结果使我们能够确定未来的冲突，土地利用可能会导致政府支持的大规模植树造林的低地地区和水电开发。(c)2005爱思唯尔有限公司保留所有权利。
Iceland is responsible for many internationally important populations of breeding bird species, yet very little is currently known about how these species use the habitats available to them. Lowland areas of Iceland, in particular, have undergone significant landscape changes over the last century, such as widespread drainage of wetlands and conversion to agriculture, changes in grazing pressure and recently, extensive afforestation. The impact of these changes on breeding bird species will depend on the relative importance of different habitats for each species, and the threats facing those habitats. Here we report the results of a large-scale survey of the factors influencing patterns of habitat selection of eight populations of Charadriiform bird species throughout lowland Iceland; oystercatcher Haematopus ostralegus, golden plover Pluvialis apricaria, dunlin Calidris alpina, snipe Gallinago gallinago, whimbrel Numenius phaeopus, black-tailed godwit Limosa limosa, redshank Tringa totanus and arctic skua Stercorarius parasiticus. Ordination analyses and multiple logistic regression models are constructed to explore the components of habitats that influence the distribution of these species. Five of the eight species analysed showed significant preferences for lowland wetland habitats and four significantly selected areas containing wet features such as pools and high water tables. These results allow us to identify future conflicts in land use that are likely to result from government-supported large-scale afforestation of lowland areas and hydro-electric developments. (c) 2005 Elsevier Ltd. All rights reserved.