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原文連結
論文資訊
- 類型：已發表論文
- 日期：2013-02-20
摘要
Assessing risks of local extinction and shifts in 物種 ranges are fundamental tasks in 生態學 and conservation. Most studies have focused either on the border of 物種' range or on complex spatiotemporal dynamics of 族群s within the spatial distribution of 物種. The internal properties of 物種 ranges, however, have received less attention due to a general lack of simple tools. We propose a novel approach within a meta族群 framework to study 物種 ranges based on simple 數學 rules. We formulate and test a model of 族群 fluctuations through space to identify key factors that regulate 族群 density. We propose that spatial variability in 物種 abundance reflects the interaction between temporal variability in 族群 dynamics and the spatial variability of 族群 parameters. This approach, that we call range structure analysis, i
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