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Plant diversity modifies multi-trophic interactions in croplands, grasslands and forests

  • Nian Feng Wan* (Corresponding author)
  • , Muyao Li
  • , Siyuan Shen
  • , Jun Xiang Zhou
  • , Yu-Tong Zhu
  • , Ben A. Woodcock
  • , Yue Qing Hu
  • , Shinichi Nakagawa
  • , David Tilman
  • , Andy Hector
  • , Michel Loreau
  • , Peter B. Reich
  • , Matteo Dainese
  • , Forest Isbell
  • , Bernhard Schmid
  • , Kris A.G. Wyckhuys
  • , Geoff M. Gurr
  • , Linsheng Wan
  • , Nico Eisenhauer
  • , Yann Hautier
  • Anu Eskelinen, Richard D. Bardgett, Paul Kardol, Lauchlan H. Fraser, Qi Su, Shiyun Qiu, Yavanna Aartsma, Ramon Albajes, Matthias Albrecht, Md Panna Ali, Hugo Alejandro Alvarez, Corinne Anagonou, Jan Christoph Axmacher, Dan Bahauddin, Yongfei Bai, Elisabeth S. Bakker, Péter Batáry, Felix J.J.A. Bianchi, Fabian A. Boetzl, Jana Brandmeier, Helge Bruelheide, Buntika Areekul Butcher, Abida Butt, Zhiping Cai, Alistair John Campbell, Fengqin Cao, Simone Cesarz, Lourdes Chamorro-Lorenzo, Fajun Chen, Jing Ting Chen, Julian Chen, Li Lin Chen, Yiying Chen, Gemma Clemente-Orta, Luuk Croijmans, David Crowder, Jéssica Karina da Silva Pachú, Anicet Dassou, Francisco de Sousa Ramalho, Thomas F. Döring, Anne Ebeling, Francisco Sales Fernandes, Stefan Geisen, Tesfay Gidey, Wesley Augusto Conde Godoy, Jingwei Guo, Séverin Hatt, George Heimpel, Johannes Heinze, Chris Helzer, Finbarr G. Horgan, Xiaoli Hu, Zixuan Huang, Stine Kramer Jacobsen, Hervé Jactel, Anthony Joern, Mattias Jonsson, Agnes Waringa Kiriga, Margaret Kosmala, Luhui Kuang, Sarwan Kumar, Minoo Heidari Latiberi, Chaoxu Li, Feng Rui Li, Frank Yonghong Li, Jinhua Li, Likun Li, Qi Li, Xiaofei Li, Yi Li, Yingbin Li, Ji Liang Liu, Jushan Liu, Wei Jia Liu, Yinzhan Liu, Zhanfeng Liu, Gianalberto Losapio, Xiaoming Lu, Ola Lundin, Quanhui Ma, Filipe Madeira, José Bruno Malaquias, Mostafa Ghafouri Moghaddam, Ana Carolina Monmany-Garzia, Xoaquín Moreira, Marina Morente, Bretor Katuku Mutua, Daniel Munyao Mutyambai, Yuta Nakano, Vojtech Novotny, Lawrence O. Ochieng, Silvia Pappagallo, Daniel Paredes, Jana S. Petermann, Erik H. Poelman, Orelvis Portal, Ming Jing Qu, Yordanys Ramos, Syed Rizvi, Francisca Ruano, Weiguo Sang, F. Xavier Sans-Serra, Cornelia Sattler, Christian Schöb, Julian Schrader, Andreas Schuldt, Josef Settele, Jing Shang, Lene Sigsgaard, Daniel Ricardo Sosa-Gómez, Michael Staab, Ingolf Steffan-Dewenter, Philip C. Stevenson, Cory Straub, Edison Ryoiti Sujii, Louis Sutter, Piotr Szefer, Hafiz Muhammad Tahir, Xiaoling Tan, Aimi Tanada, Pedro Henrique Brum Togni, Edina Török, Alba Tous-Fandos, Silvère Tovignan, Matthias Tschumi, Alina Twerski, Shunsuke Utsumi, Dirk F. van Apeldoorn, Cassandra Vogel, Felix L. Wäckers, Deli Wang, Lianjie Wang, Ling Wang, Ming Qiang Wang, Su Wang, Xiaodong Wang, Xinyu Wang, Yadong Wang, Yong Zhen Wang, Wolfgang W. Weisser, Ellen A.R. Welti, Anna Wenda-Piesik, Wenjia Wu, Xinqiang Xi, Qingxuan Xu, Zhenzhu Xu, Huimin Yi, Lixia Zhang, Xiaoke Zhang, Xiaoming Zhang, Zhengqun Zhang, Zhiwei Zhong, Chao Dong Zhu, Hui Zhu, Pingyang Zhu, Yu Zhu, Yi Zou, Christoph Scherber
*Corresponding author for this work

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Abstract

Multitrophic interactions can strongly influence the structure and functioning of ecosystems, but how plant diversity influences the direction and predictability of multitrophic interactions across agricultural and natural ecosystems remains unclear. Using 149 field studies across five continents, we found that, on average, increasing plant diversity tended to exert differential top-down and bottom-up effects in croplands versus grasslands and forests. Organic and nonorganic croplands exhibited 846 and 148% higher invertebrate natural enemy-to-herbivore abundance ratios under increased plant diversity, consistent with top-down control patterns where predator gains cause herbivore declines, enhancing crop outcomes. In grasslands and forests, increasing plant diversity was associated with bottom-up effects where enhanced productivity increased both herbivore and predator populations, with the enemy-to-herbivore ratio increasing 4.73% for grasslands and 21.2% for forests. Our findings suggest that biodiversity effects on productivity are not solely explained by direct plant-plant interactions and the resulting biodiversity-productivity relationship. Rather, they reveal patterns consistent with the framework of top-down and bottom-up effects, the relative balance of which may vary depending on ecosystem and management type. The magnitude of the effects of diversified farming on crop pests suggests that crop diversification may be an important avenue for managing crop pests preventatively and thereby enhancing agricultural sustainability.

Original languageEnglish
Article numbereaeb8680
JournalScience Advances
Volume12
Issue number30
DOIs
Publication statusPublished - 23 Jul 2026

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