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原文連結
論文資訊
- 類型：已發表論文
- 日期：2009
摘要
We present a theoretical framework to describe 隨機, size-structured community assembly, and use this framework to make community-level ecological predictions. Our model can be thought of as adding 生物 realism to Neutral 生物多樣性 Theory by incorporating size variation and growth dynamics, and allowing demographic rates to depend on the sizes of individuals. We find that the 物種 abundance distribution (SAD) is insensitive to the details of the size structure in our model, demonstrating that the SAD is a poor indicator of size-dependent processes. We also derive the 物種 biomass distribution (SBD) and find that the form of the SBD depends on the underlying size structure. This leads to a prescription for testing multiple, intertwined ecological predictions of the model, and provides evidence that alt
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