Moso bamboo (Phyllostachys edulis (Carriere) J. Houzeau) invasion affects soil phosphorus dynamics in adjacent coniferous forests in subtropical China - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Annals of Forest Science Année : 2018

Moso bamboo (Phyllostachys edulis (Carriere) J. Houzeau) invasion affects soil phosphorus dynamics in adjacent coniferous forests in subtropical China

Chunsheng Wu
  • Fonction : Auteur
Qifeng Mo
  • Fonction : Auteur
Hankun Wang
  • Fonction : Auteur
Zhijian Zhang
  • Fonction : Auteur
Guoxian Huang
  • Fonction : Auteur
Qing Ye
Qin Zou
  • Fonction : Auteur
  • PersonId : 926212
Fanqian Kong
  • Fonction : Auteur
Yuanqiu Liu
  • Fonction : Auteur
G. Geoff Wang
  • Fonction : Auteur

Résumé

AbstractKey messageThe invasion of moso bamboo (Phyllostachys edulis(Carriere) J. Houzeau) into neighboringCryptomeria japonica(L. f.) D. Don plantations significantly altered soil P status and dynamics. This alteration in phosphorus dynamics must be considered when assessing the ecological consequence of moso bamboo invasion in subtropical China.ContextMoso bamboo is a native species that commonly invades into adjacent forests in Asia. Such invasions may significantly alter soil chemical characteristics because moso bamboo has very different traits compared with the tree species it displaces. However, few studies have investigated the effects of moso bamboo invasion on soil phosphorus (P) dynamics.AimsThe objective of this study was to investigate the effects of moso bamboo invasion on soil P dynamics. Specifically, we quantified soil total P, available P, acid phosphatase activity (APA), and microbial biomass P (MBP) in moso bamboo-invaded coniferous stands and compared them to uninvaded stands and pure moso bamboo stands.MethodsWe compared seasonal dynamics of soil P (e.g., total P, available P, APA, and MBP) over a 24-month period among three stand types at Lushan mountain in subtropical China: Cryptomeria japonica plantation (CR), Cryptomeria japonica plantation invaded by Phyllostachys edulis (PH-CR), and Phyllostachys edulis stand (PH).ResultsTotal soil P concentration was significantly lower in PH-CR than in CR and PH stands, but soil available P concentration was significantly lower in CR and PH stands. Soil APA was significantly higher in PH-CR than in CR and PH stands. Similarly, soil MBP concentration was higher in PH-CR than in CR and PH stands. Also, soil total P, available P, APA, and MBP concentrations displayed seasonal fluctuations in PH-CR, but remained relatively stable in CR and PH stands during the 2 years.ConclusionThe invasion of moso bamboo into adjacent C. japonica stands significantly increased soil available P, acid phosphatase activity, and microbial biomass phosphorus, but decreased soil total P. The implication of these changes to ecosystem composition, structure, and function must be explicitly considered in managing moso bamboo invasion in subtropical China.
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Dates et versions

hal-02976501 , version 1 (23-10-2020)

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Chunsheng Wu, Qifeng Mo, Hankun Wang, Zhijian Zhang, Guoxian Huang, et al.. Moso bamboo (Phyllostachys edulis (Carriere) J. Houzeau) invasion affects soil phosphorus dynamics in adjacent coniferous forests in subtropical China. Annals of Forest Science, 2018, 75 (1), pp.24. ⟨10.1007/s13595-018-0703-0⟩. ⟨hal-02976501⟩
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