Fungi participate in driving home-field advantage of litter decomposition in a subtropical forest

文献类型： 外文期刊

第一作者： Lin, Dunmei

作者： Lin, Dunmei;Pang, Mei;Qian, Shenhua;Zhao, Liang;Yang, Yongchuan;Fanin, Nicolas;Wang, Hongjuan;Qian, Shenhua;Zhao, Liang;Yang, Yongchuan;Mi, Xiangcheng;Ma, Keping

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关键词： Home-field advantage; Litter-decomposer interactions; Litter traits; Local adaptation; Functional redundancy

期刊名称：PLANT AND SOIL （ 影响因子：3.9； 五年影响因子：4.6 ）

ISSN： 0032-079X

年卷期： 2019 年 434 卷 1-2 期

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收录情况： SCI

摘要： Background and aimsHome-field advantage (HFA) hypothesis predicts that plant litter decomposes faster beneath the plant species from which it was derived than beneath other plant species. However, it remains unclear, which groups of soil organisms drive HFA effects across a wide range of litter quality and forest types.MethodsWe set up a reciprocal transplant decomposition experiment to quantify the HFA effects of broadleaf, coniferous and bamboo litters. Litterbags of different mesh sizes and high-throughput pyrosequencing of microbial rRNA gene were used to test the contribution of different decomposer groups to HFA effect.ResultsThe recalcitrant broadleaf litter and the labile bamboo litter exhibited HFA. Presence of meso-and macrofauna did not substantially change the HFA effects. Bacterial and fungal community composition on litters were significantly influenced by litter type. Bacterial community composition remained unchanged when the same litter was decomposed in different forest types, whereas fungal community composition on broadleaf and bamboo litters were significantly influenced by incubation site.ConclusionsOur data demonstrate specific association between fungal community composition and faster litter decomposition in the home site, suggesting that fungi probably participate in driving the HFA effect of broadleaf and bamboo litters.

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