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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-03-19
摘要
Generalities of 食物網 structure have been identified for extant ecosystems. However, the 營養級 organization of ancient ecosystems is unresolved, as prior studies of fossil webs have been limited by low-resolution, highuncertainty data. We compiled highly resolved, well-documented feeding interaction data for 700 taxa from the 48 million-year-old latest early Eocene Messel Shale, which contains a 物種 assemblage that developed after an interval of protracted environmental and biotal change during and following the endCretaceous extinction. We compared the 網絡 structure of Messel lake and 森林 foodwebs to extantwebs using analyses that account for scaledependence of structure with 多樣性 and complexity. The Messel lake web, with 94 taxa, displays unambiguous similarities in structure to extant webs. Whi
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