叶面食草性将植物个体推向植物-花卉访客互动网络的外围

IF 5.6 1区 环境科学与生态学 Q1 ECOLOGY
Luiz Rezende, Leandro G. Cosmo, Gustavo Q. Romero, Martín Pareja
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引用次数: 0

摘要

间接互动是构建社区的主要力量。在陆地生态系统中,由食草性引起的植物性状变化有可能介导间接相互作用的级联反应,从而深刻影响群落结构。我们已经开始了解植物性状变化介导的间接效应背后的机制,但对于这些相互作用水平的机制如何影响更高水平的群落组织,特别是网络结构,以及这如何依赖于群落环境,我们仍然知之甚少。在本研究中,我们旨在了解草食如何影响花的性状、花的访花以及植物个体在植物-花的访花网络中的位置。为此,我们评估了热带灌木中叶和花头食草的自然发生率,并测试了它是否影响花头密度以及花与鳞翅目、膜翅目和双翅目在成对和网络水平上的相互作用。我们还测试了同种植物的本地密度如何通过影响焦点植物的草食和花头访视来增加这些相互作用的环境依赖性。增加叶片的取草量可降低单株花头密度,间接降低膜翅目昆虫的访花率,而对双翅目昆虫的取草量影响较大,对鳞翅目昆虫的取草量影响较小。在网络水平上,花头越多的植物连接越紧密,越集中。通过降低花头密度,叶片食草性导致单个植物失去中心地位,变得不那么紧密,因此在植物-花卉游客网络中处于边缘地位。这种动态依赖于环境,因为增加的植物同种局部密度降低了焦点植物的叶片食草性,并间接有利于其花头密度、花头访问量和网络中心性。合成。我们展示了食草性对植物关键性状的影响如何通过级联形成单个植物与其访花者之间的相互作用,以及食草动物和传粉者之间的间接影响如何调节相互作用网络的结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

Foliar herbivory pushes plant individuals towards the periphery of a plant–floral visitor interaction network

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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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