Polyrhythmic foraging and competitive coexistence.

Polyrhythmic foraging and competitive coexistence.
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多节律觅食和竞争性共存。

DOI:
10.1038/s41598-020-77483-3
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发表时间:
2020-11-20
期刊:
影响因子:
4.6
通讯作者:
Mougi A
Mougi A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Mougi A

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目前的生态学认识仍然没有完全解释生物多样性是如何维持的。解决这个问题的一个策略是将理论预测与不同物种共享有限资源的真实竞争群落进行对比。在这项研究中,我提出了一种新的竞争共存理论——生物节律的多样性。我表明,活动周期的多样性在竞争物种的共存中发挥着关键作用,使用两个捕食者一猎物系统,以昼夜、每月和每年的周期进行捕食者觅食。竞争排斥总是在没有活动周期的情况下发生。然而,活动周期确实允许共存。此外,每个活动周期在共存中发挥不同的作用,活动周期的耦合可以协同拓宽共存区域。因此,对于所有活动周期,共存区域是最大的。目前的结果表明,生物活动响应地球自转和公转的多节律变化是竞争性共存的关键。此外,环境变化引起的时间利基转移很容易消除竞争共存。
The current ecological understanding still does not fully explain how biodiversity is maintained. One strategy to address this issue is to contrast theoretical prediction with real competitive communities where diverse species share limited resources. I present, in this study, a new competitive coexistence theory-diversity of biological rhythms. I show that diversity in activity cycles plays a key role in coexistence of competing species, using a two predator-one prey system with diel, monthly, and annual cycles for predator foraging. Competitive exclusion always occurs without activity cycles. Activity cycles do, however, allow for coexistence. Furthermore, each activity cycle plays a different role in coexistence, and coupling of activity cycles can synergistically broaden the coexistence region. Thus, with all activity cycles, the coexistence region is maximal. The present results suggest that polyrhythmic changes in biological activity in response to the earth’s rotation and revolution are key to competitive coexistence. Also, temporal niche shifts caused by environmental changes can easily eliminate competitive coexistence.
DOI: 10.1371/journal.pone.0231732
发表时间: 2020-04-23
期刊: PLOS ONE
影响因子: 3.7
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