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首页> 外文期刊>Trends in Ecology & Evolution >Ecological character displacement: glass half full or half empty?
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Ecological character displacement: glass half full or half empty?

机译：生态特征置换：玻璃杯半满还是半空？

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摘要

Ecological character displacement (ECD), the evolutionary divergence of competing species, has oscillated wildly in scientific opinion. Initially thought to play a central role in community assembly and adaptive radiation, ECD recovered from a 1980s nadir to present-day prominence on the strength of many case studies compiled in several influential reviews. However, we reviewed recent studies and found that only nine of 144 cases are strong examples that have ruled out alternative explanations for an ECD-like pattern. We suggest that the rise in esteem of ECD has outpaced available data and that more complete, rather than simply more, case studies are needed. Recent years have revealed that evolutionary change can be observed as it occurs, opening the door to experimental field studies as a new approach to studying ECD.
机译：在生态学观点上，生态特征置换（ECD）是竞争物种的进化分歧，已经剧烈振荡。最初被认为在社区集会和适应性辐射中起着中心作用，ECD从1980年代的最低点恢复到今天的突出地位，这是通过在一些有影响力的评论中汇编的许多案例研究的力量得出的。但是，我们回顾了最近的研究，发现144例病例中只有9例是有力的例子，排除了对ECD样模式的其他解释。我们建议对ECD的重视程度已经超过了可用数据，因此需要更完整而不是仅仅更多的案例研究。近年来发现，进化变化可以观察到，这为研究ECD的新方法打开了实验田间研究的大门。

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