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原文連結
論文資訊
- 類型：已發表論文
- 日期：2018-08-09
摘要
Periodical cicadas are enigmatic organisms: broods spanning large spatial ranges consist of developmentally synchronized 族群s of 3-4 sympatric 物種 that emerge as adults every 13 or 17 years. Only one brood typically occupies any single location, with well-defined boundaries separating distinct broods. The cause of such synchronous development remains uncertain, but it is known that synchronous 湧現 of large numbers of adults in a single year satiates 捕食者s, allowing a substantial fraction of emerging adults to survive long enough to reproduce. Competition among nymphs feeding on tree roots almost certainly plays a role in limiting 族群s. However, due to the difficulty of working with such long-lived subterranean life stages, the mechanisms governing competition in periodical cicadas have not been
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