Habitat models and habitat connectivity analysis for butterflies and burnet moths -: The example of Zygaena carniolica and Coenonympha arcania
Habitat models and habitat connectivity analysis for butterflies and burnet moths -: The example of Zygaena carniolica and Coenonympha arcania
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DOI：
10.1016/j.biocon.2005.05.009
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发表时间：
2005-11-01
影响因子：
5.9
通讯作者：
Settele, J
中科院分区：
文献类型：
--
作者：
Binzenhöfer, B;Schröder, B;Settele, J
本文利用生境模型对濒危物种的潜在生境进行预测，这是景观和保护规划中的一个重要问题。基于logistic回归分析，建立了德国巴伐利亚北部地区肉苁瑶蛾（Zygaena carniolica）和小蛱蝶（Coenonympha arcania）的生境分布模型。分析了118个样地成虫发生与生境参数（包括景观文脉的影响）的关系。生境连通性分析基于(1)由这些模型生成的生境适宜性图和(2)来自标记再捕获研究的分散数据。结果表明：(1)蜜蛾的存在主要依赖于甘露植物和附近营养贫乏的干草地，若虫的存在主要依赖于附近100 m范围内大面积的广泛利用的干草地，并结合小块的高灌木和灌木。(2)内部和外部验证表明了模型的鲁棒性和一般适用性。在时间和空间上的可转移性表明它们在自然保护中的应用具有很高的潜在相关性，例如预测土地利用变化的可能影响。(3)生境连通性分析表明，研究区具有高度的生境连通性。因此，我们可以证明隔离或栖息地大小对两个物种都没有影响。(c) 2005 Elsevier Ltd版权所有。
In this paper, habitat models were used to predict potential habitat for endangered species, which is an important question in landscape and conservation planning. Based on logistic regression, we developed habitat distribution models for the burnet moth Zygaena carniolica and the nymphalid butterfly Coenonympha arcania in Northern Bavaria, Germany. The relation between adult occurrence and habitat parameters, including the influence of landscape context, was analyzed on, 118 sites. Habitat connectivity analyses were carried out on the basis of (1) habitat suitability maps generated from these models and (2) dispersal data from mark recapture studies. Our results showed that (1) the presence of the burnet depended mainly on the presence of nectar plants and of nutrient-poor dry grasslands in direct vicinity, that of the nymphalid on larger areas of extensively used dry grasslands within 100 m vicinity in combination with small patches of higher shrubs and bushes. (2) Internal as well as external validation indicated the robustness and general applicability of the models. Transferability in time and space indicated their high potential relevance for applications in nature conservation, such as predicting possible effects of land use changes. (3) Habitat connectivity analyses revealed a high degree of habitat connectivity within the study area. Thus, we could show no effects of isolation or habitat size for both species. (c) 2005 Elsevier Ltd. All rights reserved.