Spatial network structure and amphibian persistence in stochastic environments
Spatial network structure and amphibian persistence in stochastic environments
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DOI：
10.1098/rspb.2005.3448
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发表时间：
2006-06-07
影响因子：
4.7
通讯作者：
Bascompte, Jordi
中科院分区：
文献类型：
--
作者：
Fortuna, Miguel A.;Gomez-Rodriguez, Carola;Bascompte, Jordi
在过去的几年中，复杂网络的框架提供了新的见解的组织和功能的生物系统。然而，尽管空间生态学具有潜力，但它还没有完全纳入网络理论的工具和概念。在本研究中，我们确定了一个大型的空间网络的临时池塘，这是作为繁殖场所的几种两栖动物。我们调查的空间网络的结构特性的变化作为一个函数的两栖动物的扩散距离和水文条件。我们的网络拓扑结构的措施表明，所观察到的空间结构的池塘是强大的干旱（与类似的随机结构相比），允许两栖动物的运动和淹没的池塘之间，因此，即使在干旱季节繁殖的概率增加。
In the past few years, the framework of complex networks has provided new insight into the organization and function of biological systems. However, in spite of its potential, spatial ecology has not yet fully incorporated tools and concepts from network theory. In the present study, we identify a large spatial network of temporary ponds, which are used as breeding sites by several amphibian species. We investigate how the structural properties of the spatial network change as a function of the amphibian dispersal distance and the hydric conditions. Our measures of network topology suggest that the observed spatial structure of ponds is robust to drought (compared with similar random structures), allowing the movement of amphibians to and between flooded ponds, and hence, increasing the probability of reproduction even in dry seasons.