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原文連結
論文資訊
- 類型：已發表論文
- 日期：2020-07-03
摘要
The complexity of an ecological community can be distilled into a 網絡, where diverse interactions connect 物種 in a web of dependencies. 物種 interact directly with each other and indirectly through environmental effects, however to our knowledge the role of these ecosystem engineers has not been considered in ecological 網絡 models. Here we explore the dynamics of ecosystem assembly, where 物種 colonization and extinction depends on the constraints imposed by 營養級, service, and engineering dependencies. We show that our assembly model reproduces many key features of ecological systems, such as the role of generalists during assembly, realistic maximum 營養級 levels, and increased nestedness with mutualistic interactions. We find that ecosystem engineering has large and 非線性 effects on extinction rates.
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