Neighbourhood diversity effects on insect herbivory: Plant leaf traits mediate associational resistance

IF 5.3 1区 环境科学与生态学 Q1 ECOLOGY
Zhenyu Wang, Lixuan Feng, Adam Frew, Anqi Lu, Zaipeng Yu, Zhiqun Huang
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引用次数: 0

Abstract

Abstract Image

Abstract Image

昆虫草食性的邻域多样性效应植物叶片性状介导关联抗性
树木对昆虫食草的脆弱性会受到森林结构和多样性的影响。关联抗性理论认为,被多样性邻居包围的树木很可能会减少草食性。然而,这种效应的内在机制还存在争议,越来越多的证据表明,叶片性状可能会介导多样性与草食性关系的强度和方向。为了确定树木性状变异在调解这种关系中的作用,我们在一项为期 4 年的大规模操纵性树木多样性实验中,测量了单株栽培的 12 个物种和 4 个、8 个和 16 个物种混种栽培的 394 株重点树木的叶片食草量以及已知会影响食草量的 9 种形态和营养叶片性状。在物种丰富的邻近地区减少重点树木的比例会导致重点树木的叶片碳氮比增加,从而减少昆虫的草食性。此外,植株高度透明度(定义为焦点树与其近邻之间总高度的差距)的增加通过降低叶片磷浓度间接地扩大了草食性。综述:这项研究表明,邻近地区的多样性和物理结构可通过改变重点植物的叶片特征间接影响其草食性。考虑森林之间的功能差异可以加深我们对多样性与食草关系的理解。
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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 We do not publish papers concerned solely with cultivated plants and agricultural ecosystems.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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