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原文連結
論文資訊
- 類型：已發表論文
- 日期：2015-01-13
摘要
Extract: Our recent paper used artistic depictions of animals and fossil evidence to examine the community-level effects of local extinction events over 6,000 y of Egyptian history (1). We found that local extinctions were nonrandom, that changes to community structure (quantified by the 物種 捕食者/獵物 ratio) seemed to correspond to local aridification pulses, and that the decline in 物種 richness throughout Egyptian history resulted in a drop in dynamic stability because of the elimination of smaller-bodied herbivores. In response to our paper, Bar-Oz et al. (2) note complimentary faunal changes in the Levant, an area that did not experience such large climatic swings (pointing to human impacts as the primary …
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