• Ecological character displacement (ECD) refers to a pattern of increased divergence at sites where species ranges overlap caused by competition for resources. Although ECD is believed to be common, there are few in-depth studies that clearly establish its existence, especially in plants.

中文翻译：

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混合橡木架中的不对称字符位移

• 生态特征置换(ECD) 是指由于资源竞争导致物种分布重叠的地点出现差异增加的模式。尽管 ECD 被认为很常见，但很少有深入的研究清楚地确定它的存在，尤其是在植物中。