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原文連結
論文資訊
- 類型：已發表論文
- 日期：2015-05-20
摘要
Understanding the persistence of specialists and generalists within ecological communities is a topical research question, with far-reaching consequences for the maintenance of functional 多樣性. Although theoretical studies indicate that restricted conditions may be necessary to achieve co-occurrence of specialists and generalists, analyses of larger empirical (and 物種-rich) communities reveal the pervasiveness of coexistence. In this paper, we analyze 175 ecological bipartite 網絡s of three interaction types (animal hosts-parasite, plant-herbivore and plant-pollinator), and measure the extent to which these communities are composed of 物種 with different levels of specificity in their biotic interactions. We find a continuum from specialism to generalism. Furthermore, we demonstrate that 多樣性 ten
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