Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests

Tree species diversity is assumed to be an important component in managing forest ecosystems because of effects on multiple functions or ecosystem multifunctionality. However, the importance of tree diversity in determining multifunctionality in structurally complex subtropical forests relative to o...

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Main Authors: Shuai Ouyang, Mengmeng Gou, Pifeng Lei, Yue Liu, Liang Chen, Xiangwen Deng, Zhonghui Zhao, Yelin Zeng, Yanting Hu, Changhui Peng, Wenhua Xiang
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-01-01
Series:Forest Ecosystems
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2197562023000088
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author Shuai Ouyang
Mengmeng Gou
Pifeng Lei
Yue Liu
Liang Chen
Xiangwen Deng
Zhonghui Zhao
Yelin Zeng
Yanting Hu
Changhui Peng
Wenhua Xiang
author_facet Shuai Ouyang
Mengmeng Gou
Pifeng Lei
Yue Liu
Liang Chen
Xiangwen Deng
Zhonghui Zhao
Yelin Zeng
Yanting Hu
Changhui Peng
Wenhua Xiang
author_sort Shuai Ouyang
collection DOAJ
description Tree species diversity is assumed to be an important component in managing forest ecosystems because of effects on multiple functions or ecosystem multifunctionality. However, the importance of tree diversity in determining multifunctionality in structurally complex subtropical forests relative to other regulators (e.g., soil microbial diversity, stand structure, and environmental conditions) remains uncertain. In this study, effects of aboveground (species richness and functional and structural diversity) and belowground (bacterial and fungal diversity) biodiversity, functional composition (community-weighted means of species traits), stand structure (diameter at breast height and stand density), and soil factors (pH and bulk density) on multifunctionality (including biomass production, carbon stock, and nutrient cycling) were examined along a tree diversity gradient in subtropical forests. The community-weighted mean of tree maximum height was the best predictor of ecosystem multifunctionality. Functional diversity explained a higher proportion of the variation in multifunctionality than that of species richness and fungal diversity. Stand structure -played an important role in modulating the effects of tree diversity on multifunctionality. The work highlights that species composition and maximizing forest structural complexity are effective strategies to increase forest multifunctionality while also conserving biodiversity in the management of multifunctional forests under global environmental changes.
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spelling doaj.art-f195371e4e00431baa2aaa1c8ed915252023-12-22T05:32:27ZengKeAi Communications Co., Ltd.Forest Ecosystems2197-56202023-01-0110100093Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forestsShuai Ouyang0Mengmeng Gou1Pifeng Lei2Yue Liu3Liang Chen4Xiangwen Deng5Zhonghui Zhao6Yelin Zeng7Yanting Hu8Changhui Peng9Wenhua Xiang10Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaEcology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing, 100101, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, ChinaInstitute of Environment Sciences, Department of Biological Sciences, University of Quebec at Montreal, Montreal, QC, H3C 3P8, CanadaFaculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China; Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystems in Hunan Province, Huitong, 438107, China; Corresponding author. Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China.Tree species diversity is assumed to be an important component in managing forest ecosystems because of effects on multiple functions or ecosystem multifunctionality. However, the importance of tree diversity in determining multifunctionality in structurally complex subtropical forests relative to other regulators (e.g., soil microbial diversity, stand structure, and environmental conditions) remains uncertain. In this study, effects of aboveground (species richness and functional and structural diversity) and belowground (bacterial and fungal diversity) biodiversity, functional composition (community-weighted means of species traits), stand structure (diameter at breast height and stand density), and soil factors (pH and bulk density) on multifunctionality (including biomass production, carbon stock, and nutrient cycling) were examined along a tree diversity gradient in subtropical forests. The community-weighted mean of tree maximum height was the best predictor of ecosystem multifunctionality. Functional diversity explained a higher proportion of the variation in multifunctionality than that of species richness and fungal diversity. Stand structure -played an important role in modulating the effects of tree diversity on multifunctionality. The work highlights that species composition and maximizing forest structural complexity are effective strategies to increase forest multifunctionality while also conserving biodiversity in the management of multifunctional forests under global environmental changes.http://www.sciencedirect.com/science/article/pii/S2197562023000088Abiotic and biotic factorsBiodiversityFunctional compositionFunctional traitsSoil microbial diversityStand structure
spellingShingle Shuai Ouyang
Mengmeng Gou
Pifeng Lei
Yue Liu
Liang Chen
Xiangwen Deng
Zhonghui Zhao
Yelin Zeng
Yanting Hu
Changhui Peng
Wenhua Xiang
Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
Forest Ecosystems
Abiotic and biotic factors
Biodiversity
Functional composition
Functional traits
Soil microbial diversity
Stand structure
title Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
title_full Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
title_fullStr Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
title_full_unstemmed Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
title_short Plant functional trait diversity and structural diversity co-underpin ecosystem multifunctionality in subtropical forests
title_sort plant functional trait diversity and structural diversity co underpin ecosystem multifunctionality in subtropical forests
topic Abiotic and biotic factors
Biodiversity
Functional composition
Functional traits
Soil microbial diversity
Stand structure
url http://www.sciencedirect.com/science/article/pii/S2197562023000088
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