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原文連結
論文資訊
- 類型：已發表論文
- 日期：2009
摘要
The robustness of ecosystems to 物種 losses is a central question in 生態學, given the current pace of extinctions and the many 物種 threatened by human impacts, including habitat destruction and 氣候 change. Robustness from the perspective of secondary extinctions has been addressed in the context of 食物網s to consider the complex 網絡 of 物種 interactions that underlie responses to perturbations. In-silico removal experiments have examined the structural properties of 食物網s that enhance or hamper the robustness of ecosystems to 物種 losses, with a focus on the role of hubs, the most connected 物種. Here we take a different approach and focus on the role of the connections themselves. We show that 營養級 links can be divided into functional and redundant based on their contribution to robustness. The analysis o
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