專題演講 主講人：沈宗荏教授 (中興大學統計所)
題 目：Revealing multispecies’ spatial patterns via line transect surveys
主講人：沈宗荏教授 (中興大學統計所)
時 間：113年9月20日(星期五)上午10:40-11:30
(上午10:20-10:40茶會於綜合一館428室舉行)
地 點：綜合一館427室
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摘要
In ecological communities, certain species are known to exhibit aggregate distributions. However, this does not necessarily mean the community as a whole follows the same pattern. This talk clearly defines community-level distributional aggregation, characterized by an interspersed or cluster-like arrangement of different species. By applying the conspecific-encounter index derived from the Markov non-independent sampling model, we explore the spatial patterns of species distributions. Our analysis reveals that tree assemblages in tropical forest ecosystems display significant interspersion, indicating a complex and extensive distributional pattern. In contrast, amphibian assemblages exhibit consistently high conspecific-encounter indices, suggesting a strong tendency toward spatial aggregation within these communities.
