Repeatability of taxon longevity in successive foraminifera radiations and a theory of random appearance and extinction.
Repeatability of taxon longevity in successive foraminifera radiations and a theory of random appearance and extinction.
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连续有孔虫辐射中分类单元寿命的可重复性以及随机出现和灭绝的理论。
DOI：
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发表时间：
1984
影响因子：
11.1
通讯作者：
L. Ginzburg
中科院分区：
文献类型：
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作者：
J. Levinton;L. Ginzburg
一项对两个新生代辐射的加勒比海浮游有孔虫物种的分类寿命分析表明，灭绝类群的寿命非常相似，尽管后者辐射的现存物种偏向于寿命更长的形式。在这种情况下，现在不是过去的关键。一个简单的单参数随机模型预测一般的分布形状，虽然有一个模型寿命和缺乏长寿的形式，相对于模型的预测物种过剩。虽然一个参数可能涉及到生物学的研究中，模式的分布可能反映随机出现灭绝过程。
An analysis of taxonomic longevity for species of the two Cenozoic radiations of Caribbean planktonic foraminifera shows strong similarity in longevity for extinct taxa, though extant species of the latter radiation are biased towards longer-lived forms. In this case, the present is not the key to the past. A simple one-parametric stochastic model predicts generally the shape of the distributions, though there is an excess of species with model longevity and a deficiency of longer-lived forms, relative to the prediction of the model. Although the one parameter may relate to the biology of the group under consideration, the distribution about the mode may reflect random appearance-extinction processes.