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Arbuscular mycorrhizal trees influence the latitudinal beta-diversity gradient of tree communities in forests worldwide

  • Yonglin Zhong
  • , Chengjin Chu* (Corresponding Author)
  • , Jonathan A Myers
  • , Gregory S Gilbert
  • , James A Lutz
  • , Jonas Stillhard
  • , Kai Zhu
  • , Jill Thompson
  • , Jennifer L Baltzer
  • , Fangliang He
  • , Joseph A LaManna
  • , Stuart J Davies
  • , Kristina J Aderson-Teixeira
  • , David F R P Burslem
  • , Alfonso Alonso
  • , Kuo-Jung Chao
  • , Xugao Wang
  • , Lianming Gao
  • , David A Orwig
  • , Xue Yin
  • Xinghua Sui, Zhiyao Su, Iveren Abiem, Pulchérie Bissiengou, Norm Bourg, Nathalie Butt, Min Cao, Chia-Hao Chang-Yang, Wei-Chun Chao, Hazel Chapman, Yu-Yun Chen, David A Coomes, Susan Cordell, Alexandre A de Oliveira, Hu Du, Suqin Fang, Christian P Giardina, Zhanqing Hao, Andrew Hector, Stephen P Hubbell, David Janík, Patrick A Jansen, Mingxi Jiang, Guangze Jin, David Kenfack, Kamil Král, Andrew J Larson, Buhang Li, Xiankun Li, Yide Li, Juyu Lian, Luxiang Lin, Feng Liu, Yankun Liu, Yu Liu, Fuchen Luan, Yahuang Luo, Keping Ma, Yadvinder Malhi, Sean M McMahon, William McShea, Hervé Memiaghe, Xiangcheng Mi, Mike Morecroft, Vojtech Novotny, Michael J O'Brien, Jan den Ouden, Geoffrey G Parker, Xiujuan Qiao, Haibao Ren, Glen Reynolds, Pavel Samonil, Weiguo Sang, Guochun Shen, Zhiqiang Shen, Guo-Zhang Michael Song, I-Fang Sun, Hui Tang, Songyan Tian, Amanda L Uowolo, María Uriarte, Bin Wang, Xihua Wang, Youshi Wang, George D Weiblen, Zhihong Wu, Nianxun Xi, Wusheng Xiang, Han Xu, Kun Xu, Wanhui Ye, Mingjian Yu, Fuping Zeng, Minhua Zhang, Yingming Zhang, Li Zhu, Jess K Zimmerman
*Corresponding author for this work
  • State Key Laboratory of Biocontrol and School of Life Sciences
  • National Sun Yat-sen University
  • Washington University St. Louis
  • University of California System
  • Utah State University
  • Swiss Federal Institute for Forest, Snow and Landscape Research
  • Centre for Ecology and Hydrology
  • Wilfrid Laurier University
  • University of Alberta
  • Marquette University
  • Smithsonian Tropical Research Institute
  • National Institute for Amazonian Research and Smithsonian Tropical Research Institute
  • Smithsonian Conservation Biology Institute
  • International Master Program of Agriculture
  • Oikon Ltd. – Institute of Applied Ecology
  • CAS - Kunming Institute of Botany
  • Harvard University
  • South China Agricultural University
  • University of Jos
  • Institut de Recherche en Ecologie Tropicale/Centre National de la Recherche Scientifique et Technologique
  • University of Queensland
  • CAS - Xishuangbanna Tropical Botanical Garden
  • National Chiayi University
  • University of Canterbury
  • University of Cambridge
  • Institute of Pacific Islands Forestry
  • CAS - Institute of Subtropical Agriculture
  • University of Oxford
  • Silva Tarouca Research Institute
  • Wuhan Botanical Garden
  • University of Montana
  • CAS - Guangxi Institute of Botany
  • Research Institute of Tropical Forestry
  • South China Botanical Garden
  • The Administrative Bureau of Naban River Watershed National Nature Reserve.
  • Heilongjiang Key Laboratory of Forest Ecology and Forestry Ecological Engineering
  • Guangdong Chebaling National Nature Reserve
  • CAS - Institute of Botany
  • Natural England
  • University of South Bohemia
  • Universidad Rey Juan Carlos
  • University of Wageningen
  • Smithsonian Environmental Research Center
  • Southeast Asia Rainforest Research Partnership
  • National Dong Hwa University
  • Columbia University
  • Kunming Instituted of Botany
  • University of Puerto Rico

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Abstract

Arbuscular mycorrhizal (AM) and ectomycorrhizal (EcM) associations are critical for host-tree performance. However, how mycorrhizal associations correlate with the latitudinal tree beta-diversity remains untested. Using a global dataset of 45 forest plots representing 2,804,270 trees across 3840 species, we test how AM and EcM trees contribute to total beta-diversity and its components (turnover and nestedness) of all trees. We find AM rather than EcM trees predominantly contribute to decreasing total beta-diversity and turnover and increasing nestedness with increasing latitude, probably because wide distributions of EcM trees do not generate strong compositional differences among localities. Environmental variables, especially temperature and precipitation, are strongly correlated with beta-diversity patterns for both AM trees and all trees rather than EcM trees. Results support our hypotheses that latitudinal beta-diversity patterns and environmental effects on these patterns are highly dependent on mycorrhizal types. Our findings highlight the importance of AM-dominated forests for conserving global forest biodiversity.

Original languageEnglish
Article number3137
Number of pages12
JournalNature Communications
Volume12
Issue number1
DOIs
Publication statusPublished - 25 May 2021

Bibliographical note

Acknowledgements
This research paper was funded by the National Natural Science Foundation of China (31925027, 31622014 and 31570426) and the Fundamental Research Funds for the Central Universities (20lgpy116). Funding and citation information for each forest plot is available in Supplementary References.

Full raw census data are available on reasonable request from the ForestGEO (https:// www.forestgeo.si.edu/). Bioclimatic variables and solar radiation are available from the WorldClim Database (http://worldclim.org/version2) and potential evapotranspiration and aridity index are available from the Global Aridity Index (Global-Aridity) and Global Potential Evapo-Transpiration (Global-PET) Geospatial Database (https://cgiarcsi. community/data/global-aridity-and-pet-database/).

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