Decoupling the impact of biodiversity and environmental factors on the biomass and biomass growth of trees in subtropical forests

IF 3 2区环境科学与生态学 Q2 ECOLOGY

Journal of Plant Ecology Pub Date : 2022-03-31 DOI:10.1093/jpe/rtac040

R. M. Tiwari, Jinliang Liu, Yuchu Xie, Shenhao Yao, Shenglong Liu, Su-Chuan Wu, Julian Liu, Haiyuan Qian, Zupei Lei, Hongwei Zhang, Lei Zhong, Boliang Wei, Mingjian Yu

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引用次数: 1

Abstract

The relationship between biodiversity and ecosystem functioning has become a central issue in any forest ecosystem. However, there are few studies on the interaction of environmental factors based on the history of subtropical forest disturbance. In this study, we intended to disentangle the relationship between different aspects of biodiversity and biomass or biomass change when considering the environmental factors of 34 subtropical forest plots in Zhejiang Province, eastern China. We used linear models to analyze the effects of taxonomic, functional and phylogenetic diversity on the plot level of tree biomass and its growth with or without environmental factors. Taxonomic diversity and functional diversity, rather than phylogenetic diversity, showed significant correlations with biomass and biomass growth. We further found that there was a positive linear relationship between biomass or biomass growth and mean annual temperature and altitude. In addition, the relationship between biomass growth and functional diversity was significantly stronger than the relationship between biomass growth and phylogenetic diversity or taxonomic diversity when considering environmental factors and stand developmental stage. Our results suggested that the relationship between biodiversity and ecosystem functioning depended on the selection of diversity index and environmental conditions.

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亚热带森林生物多样性与环境因子对树木生物量和生物量生长影响的解耦研究

生物多样性与生态系统功能之间的关系已成为任何森林生态系统的中心问题。然而，基于亚热带森林扰动历史对环境因子相互作用的研究很少。本研究以浙江省34个亚热带样地为研究对象，探讨了生物多样性各方面与生物量或生物量变化的关系。采用线性模型分析了在有或无环境因素的情况下，分类多样性、功能多样性和系统发育多样性对样地树木生物量水平及其生长的影响。分类多样性和功能多样性与生物量和生物量增长呈显著相关，而非系统发育多样性。生物量或生物量增长与年平均气温和海拔高度呈线性正相关。此外，在考虑环境因素和林分发育阶段时，生物量增长与功能多样性的关系显著强于与系统发育多样性或分类多样性的关系。结果表明，生物多样性与生态系统功能之间的关系取决于多样性指数的选择和环境条件。

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来源期刊

Journal of Plant Ecology 生物-植物科学

CiteScore

4.60

自引率

18.50%

发文量

134

审稿时长

3 months

期刊介绍： Journal of Plant Ecology (JPE) serves as an important medium for ecologists to present research findings and discuss challenging issues in the broad field of plants and their interactions with biotic and abiotic environment. The JPE will cover all aspects of plant ecology, including plant ecophysiology, population ecology, community ecology, ecosystem ecology and landscape ecology as well as conservation ecology, evolutionary ecology, and theoretical ecology.