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原文連結
論文資訊
- 類型：已發表論文
- 日期：2011
摘要
食物網s, 網絡s of feeding relationships in an ecosystem, provide fundamental insights into mechanisms that determine ecosystem stability and persistence. A standard approach in food-web analysis, and 網絡 analysis in general, has been to identify compartments, or modules, defined by many links within compartments and few links between them. This approach can identify large habitat boundaries in the 網絡 but may fail to identify other important structures. Empirical analyses of 食物網s have been further limited by low-resolution data for primary producers. In this paper, we present a 貝氏 計算 method for identifying group structure using a flexible definition that can describe both functional 營養級 roles and standard compartments. We apply this method to a newly compiled plant-mammal 食物網 from the Serengeti e
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