摘要 Current plant and animal 多樣性 preserves at most 1

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論文資訊

• 類型：已發表論文
• 日期：2008

摘要

Current plant and animal 多樣性 preserves at most 1-2% of the 物種 that have existed over the past 600 million years. But understanding the 演化ary impact of these extinctions requires a variety of metrics. The traditional measurement is loss of taxa (物種 or a higher category) but in the absence of 系統發育 資訊 it is difficult to distinguish the 演化ary depth of different patterns of extinction: the same 物種 loss can encompass very different losses of 演化ary history. Furthermore, both taxic and 系統發育 measures are poor metrics of morphologic disparity. Other measures of lost 多樣性 include: functional 多樣性, architectural components, behavioral and 社會 repertoires, and developmental strategies. The canonical five mass extinctions of the Phanerozoic reveals the loss of different, albeit sometimes overlapping, aspec

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