Data from: Analyzing movement behavior and dynamic space-use strategies among habitats using multi-event capture-recapture modeling

1.The environment of most species is heterogeneous at different spatial and temporal scales; this heterogeneity can have a direct effect on various components of fitness. As a consequence, individual space-use and movement strategies are central issues in ecology and conservation and receive considerable attention from researchers.

2.In the last 30 years, this issue has led to the development of capture–recapture models that allow movement between sites to be quantified, while handling imperfect detection. For studies involving numerous recapture sites in which the emphasis is on dispersal or migration rather than movement between particular sites, Lagrange et al. recently proposed a parsimonious CR multi-event model that contrasts individuals that move and individuals that stay in place, irrespective of the sites involved.

3.In this study, we developed a generalized version of this model to allow survival probability and movement probability to differ for different types of habitat to which the individual sites may be assigned. We investigated the potential of this new parameterization by studying the movements of an amphibian, the yellow-bellied toad (Bombina variegata), in a set of breeding and resting/foraging ponds.

4.Our capture-recapture multi-event model provides a highly flexible tool allowing users to model movements within and between several habitats. This approach can be potentially used to study movement behavior and space-use strategies of a wide range of taxa.

1. 多数物种种群所处的环境在不同空间与时间尺度上均呈现异质性；这种异质性会直接影响适合度（fitness）的各项组成。因此，个体的空间利用策略与移动策略成为生态学与保护生物学领域的核心议题，受到研究者的广泛关注。
2. 过去30年间，该议题推动了标记重捕（capture–recapture, CR）模型的发展，这类模型可在处理检测不完全问题的同时，量化样地间的移动行为。针对以扩散或迁徙为研究重点、而非特定样地间移动的多标记重捕样地研究，Lagrange等人近期提出了一种简约型CR多事件模型，该模型可区分移动个体与停留个体，且不依赖于具体涉及的样地。
3. 本研究对该模型进行了广义化拓展，使个体所在样地所属的不同生境（habitat）类型下，存活概率与移动概率均可存在差异。我们以两栖动物黄腹铃蟾（Bombina variegata）为研究对象，通过分析其在一系列繁殖水塘与休憩/觅食水塘间的移动行为，验证了该新型参数化方案的应用潜力。
4. 本研究提出的标记重捕多事件模型为用户提供了高灵活性工具，可用于模拟多种生境内部及生境间的移动行为。该方法可被用于探究广泛物种类群的移动行为与空间利用策略。