Interspecific territoriality has facilitated recent increases in the breeding habitat overlap of North American passerines

Interspecific territoriality has facilitated recent increases in the breeding habitat overlap of North American passerines
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种间领地性促进了北美雀形目鸟类繁殖栖息地重叠的增加

DOI:
10.1111/ecog.06573
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发表时间:
2023
期刊:
影响因子:
5.9
通讯作者:
Drury, Jonathan P.
Drury, Jonathan P.
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Nesbit, Daniel A.;Cowen, Madeline C.;Grether, Gregory F.;Drury, Jonathan P.

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由于物种的范围转移,以应对人类引起的全球变化,物种的相互作用,预计将发挥很大的作用,在塑造由此产生的范围动态,随后,修改物种组合的组成。大多数关于物种相互作用对范围动态影响的研究都集中在营养相互作用和资源开发竞争的影响上,但一个新兴的工作机构表明,种间对领土和配偶的竞争也会影响物种范围的变化。因此,至关重要的是要深入了解物种之间这些形式的行为干扰如何影响景观尺度模式。在这里,我们研究了最近(1997-2019年)北美雀形目的范围动态,以测试行为干扰影响物种在景观中移动的难易程度的假设。在这22年的时间里,我们发现,物种之间的精细尺度空间重叠(共构)增加更多的物种对从事种间领土比那些不。然而,我们没有发现证据表明生殖干扰(杂交)对同域性的影响,也没有任何类型的干扰对全域重叠(同域性)的影响。研究物种相互作用对大陆尺度范围变化的净影响可能需要比目前北美雀形目物种更长时间的物种发生数据,但我们的研究结果表明,种间地域性在过去二十年中对物种共存产生了整体稳定的影响。
As species' ranges shift in response to human‐induced global changes, species interactions are expected to play a large role in shaping the resultant range dynamics and, subsequently, the composition of modified species assemblages. Most research on the impact of species interactions on range dynamics focuses on the effects of trophic interactions and exploitative competition for resources, but an emerging body of work shows that interspecific competition for territories and mates also affects species range shifts. As such, it is paramount to build a strong understanding of how these forms of behavioural interference between species impact landscape‐scale patterns. Here, we examine recent (1997–2019) range dynamics of North American passerines to test the hypothesis that behavioural interference impacts the ease with which species move across landscapes. Over this 22 year period, we found that fine‐scale spatial overlap between species (syntopy) increased more for species pairs that engage in interspecific territoriality than for those that do not. We found no evidence, however, for an effect of reproductive interference (hybridisation) on syntopy, and no effect of either type of interference on range‐wide overlap (sympatry). Examining the net effects of species interactions on continent‐scale range shifts may require species occurrence data spanning longer time periods than are currently available for North American passerines, but our results show that interspecific territoriality has had an overall stabilising influence on species coexistence over the past two decades.
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DOI: --
发表时间: 2013
影响因子: 2.9
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发表时间: 1990
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期刊: Evolution; international journal of organic evolution
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