基于Maxent的山西铁桥山省级自然保护区华北豹生境适宜性分析
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摘要
生境分析对物种保护具有重要的意义。笔者运用Maxent模型分析了48个华北豹地理分布点位和环境变量数据,对山西铁桥山省级自然保护区华北豹生境适宜性进行了评价。结果表明,华北豹生境选择的主要影响因子为:距村庄距离、坡度、距河流距离;生境适宜区主要分布在保护区西部,占总面积的45%.
Habitat analysis is important for species conservation. Geographical distribution points and environmental variables data of 48 Panthera pardus fontanierii were analyzed using Maxent model for assessing the habitat suitability of the species in Tieqiao Mountain Nature Reserve of Shanxi Province. The results showed that the principal factors for the habitat selection of Panthera pardus fontanierii were ranked as the distance from the village,slope,and the distance from river. The favorable habitats were mainly found in the west part of the nature reserve which accounting for 45% of the total area.
Habitat analysis is important for species conservation. Geographical distribution points and environmental variables data of 48 Panthera pardus fontanierii were analyzed using Maxent model for assessing the habitat suitability of the species in Tieqiao Mountain Nature Reserve of Shanxi Province. The results showed that the principal factors for the habitat selection of Panthera pardus fontanierii were ranked as the distance from the village,slope,and the distance from river. The favorable habitats were mainly found in the west part of the nature reserve which accounting for 45% of the total area.
引文
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[6] Phillips S J,Anderson R P,Schapire R E. Maximum entropy modeling of species geographic distributions[J].Ecological modelling,2006,190(3-4):231-259.
[7] Wang Y,Xie B,Wang F,et al. Application of ROC curve analysis in evaluating the performance of alien species potential distribution models[J]. Biodiversity Science,2007,15(4):365-372.
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