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

doi:10.1093/jpe/rtac040

J Plant Ecol ›› 2023, Vol. 16 ›› Issue (1): rtac040.DOI: 10.1093/jpe/rtac040

• Research Articles •

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

Ravi Mohan Tiwari¹, Jinliang Liu^2,3, Yuchu Xie¹, Shenhao Yao⁴, Shenglong Liu⁵, Sumei Wu⁶, Julian Liu⁷, Haiyuan Qian⁸, Zupei Lei⁹, Hongwei Zhang¹⁰, Lei Zhong¹, Boliang Wei¹ and Mingjian Yu^1,*

¹College of Life Sciences, Zhejiang University, Hangzhou 310058, China,² College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China, ³ National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Wenzhou University, Wenzhou 325035, China, ⁴ Zhejiang Museum of Natural History, Hangzhou 310014, China, ⁵ Longquan Conservation Center, Qianjiangyuan-Baishanzu National Park, Lishui 323700, China, ⁶ Qingyuan Conservation Center, Qianjiangyuan-Baishanzu National Park, Lishui 323800, China, ⁷ Jiulongshan National Nature Reserve Management Center, Lishui 323312, China, ⁸Qianjiangyuan National Park Administration, Quzhou 324300, China, ⁹ Wuyanling National Nature Reserve Management Center, Wenzhou 325500, China, ¹⁰Qingliangfeng National Nature Reserve Administration, Hangzhou 311321, China

^*Corresponding author. E-mail: fishmj@zju.edu.cn

Received:2021-05-18 Revised:2021-07-10 Accepted:2022-01-30 Online:2022-03-31 Published:2023-02-01

Abstract

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 at 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 environmental factors and stand developmental stages were considered. Our results suggested that the relationship between biodiversity and ecosystem functioning is dependent upon the selection of diversity index and environmental conditions.

Key words: biomass, annual net biomass change, biodiversity, subtropical forest, disturbance

摘要：
生物多样性和环境因素对亚热带森林树木生物量和生物量生长的解耦影响
生物多样性与生态系统功能之间的关系已成为森林生态系统研究的核心问题。然而，在具有不同人类干扰历史的亚热带森林群落中，关于环境因子对生物多样性与生态系统功能关系影响的研究仍然较少。在本研究中，选择位于中国东部浙江省的34个亚热带森林样地，在考虑样方中的环境因子的基础上，利用线性模型，分析样地中木本植物多样性(物种、功能和谱系多样性)与样方内木本植物生物量或生物量变化量之间的关系。物种多样性和功能多样性，并非谱系多样性，与生物量和生物量的变化量之间存在显着相关性。生物量或生物量变化量与年平均温度和海拔高度之间存在显著的正相关关系。此外，在考虑环境因子和森林群落的演替阶段时，生物量变化量与功能多样性的关系显著强于生物量变化量与谱系多样性或物种多样性之间的关系。这些研究结果表明，生物多样性与生态系统功能之间的关系可能取决于生物多样性指数的选择和环境条件。

关键词: 生物量, 年净生物量变化, 生物多样性, 亚热带森林, 干扰

Ravi Mohan Tiwari, Jinliang Liu, Yuchu Xie, Shenhao Yao, Shenglong Liu, Sumei Wu, Julian Liu, Haiyuan Qian, Zupei Lei, Hongwei Zhang, Lei Zhong, Boliang Wei and Mingjian Yu. Decoupling the impact of biodiversity and environmental factors on the biomass and biomass growth of trees in subtropical forests[J]. J Plant Ecol, 2023, 16(1): 0-.

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

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