Tree species diversity, canopy height, and soil nutrient availability shape leaf insect herbivory in an island ecosystem.

Tree species diversity, canopy height, and soil nutrient availability shape leaf insect herbivory in an island ecosystem. | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Ecology and Evolution This is a preprint and has not been peer reviewed. Data may be preliminary. 14 November 2025 V1 Latest version Share on Tree species diversity, canopy height, and soil nutrient availability shape leaf insect herbivory in an island ecosystem. Authors : Yu Zhang 0009-0005-8351-5353 and En-rong Yan [email protected] Authors Info & Affiliations https://doi.org/10.22541/au.176314523.31680293/v1 187 views 102 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract 1.Plant-insect interactions regulate ecosystem processes and productivity. The effect of plant diversity on insect herbivory is whether Amplification Effect (AE) or Dilution Effect (DE) that is still in dispute. Other than plant diversity, factors such as canopy height, soil nutrient availability, and climate also influnce leaf insect herbivory. However, previous studies have mainly focused on key drivers of specific types of herbivory in grasslands, farmlands and forests in terrestrial ecosystems, it is lack of studies on consistency of total herbivory and its inner diverse guilds’ herbivory in relation to plant diversity over multiple years. Additionally, the mixed effect of plant diversity and other factors in island ecosystems remains understudied. 2.This study investigated three insect guilds’ herbivory (chewing, sucking, mining), measured mean annual temperature (MAT), mean annual precipitation (MAP), tree height, soil total carbon content (TC), total phosphorus content (TP), and total nitrogen content (TN) in Zhoushan Archipelago, China. We employed linear regression, stepwise regression, and variation partitioning analysis to explore these relationships. 3.Our findings show that tree species diversity was positively correlated with total herbivory and leaf mining in both 2019 and 2021, but only had positively associated with sucking in 2019 and chewing in 2021. 4.In 2019, tree species diversity, tree height, soil nutrition and their interactions collectively explained 60% of the variation in sucking. Tree species diversity, soil nutrition and their interactions accounted for 32% of the variation in leaf mining. 5.Synthesis. Our results support that plant diversity amplified both total herbivory and three insect guilds’ herbivory. However, the effects of plant diversity on sucking and chewing herbivory varied discontinuously in different years. The results for sucking align with the hypothesis that larger trees attract more herbivores. Plant diversity, soil nutrition, and their mixed effects simultaneously influence sucking herbivory, as well as leaf mining. Supplementary Material File (ece-2025-11-02920.docx) Download 541.61 KB Information & Authors Information Version history V1 Version 1 14 November 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Collection Ecology and Evolution Keywords community ecology ecological experiment ecosystem ecosystem function Authors Affiliations Yu Zhang 0009-0005-8351-5353 Shanxi Technology and Business College View all articles by this author En-rong Yan [email protected] East China Normal University View all articles by this author Metrics & Citations Metrics Article Usage 187 views 102 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Yu Zhang, En-rong Yan. Tree species diversity, canopy height, and soil nutrient availability shape leaf insect herbivory in an island ecosystem.. Authorea . 14 November 2025. 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