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論文資訊
- 類型：已發表論文
- 日期：2020-05-04
摘要
Darwin proposed two seemingly contradictory hypotheses regarding factors influencing the outcome of 生物 invasions. He initially posited that nonnative 物種 closely related to native 物種 would be more likely to successfully establish, because they might share 適應s to the local environment (pre適應 hypothesis). However, based on observations that the majority of naturalized plant 物種 in the United States belonged to nonnative genera, he concluded that the lack of competitive exclusion would facilitate the establishment of alien invaders 系統發育ally distinct from the native flora (competition-relatedness hypothesis). To date, no consensus has been reached regarding these opposing hypotheses. Here, following Darwin, we use the flora of the United States to examine patterns of taxonomic and 系統發育 relatedne
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