Urbanization decreases the richness and homogenizes fungal communities in California

Urbanization decreases the richness and homogenizes fungal communities in California | 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 Search Search ADVANCED SEARCH SCROLL Ecology and Evolution This is a preprint and has not been peer reviewed.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. 12 May 2026 V1 Latest version Share on Urbanization decreases the richness and homogenizes fungal communities in California Authors : Ariel Simons 0000-0003-0492-5492 [email protected] , Chris TIMLIN-BROUSSARD [email protected] , Avicka Willis [email protected] , and Jerelyn Lee [email protected] Authors Info & Affiliations https://doi.org/10.22541/authorea.15003021/v1 89 views 14 downloads Contents Abstract Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract A large proportion of nutrient cycling and ecosystem services are supported by the activities of fungal communities. Though these communities have been comparatively understudied compared to more charismatic groups, there is a growing body of evidence that the structure of these communities is also impacted by urbanization. To investigate diversity patterns, we analyzed over 340,000 fungal occurrences recorded in California taken between 2015 and 2024. We investigated their differences in both richness and turnover by comparing communities sampled along a gradient of percent impervious coverage as a proxy for urbanization. We found richness was significantly lower for fungal assemblages sampled from more urbanized areas. We also found evidence that fungal communities underwent a significant level of biotic homogenization in more urbanized areas. In this study, we have demonstrated the potential use of processing large amounts of community science data to better understand the ecological responses of fungal communities against anthropogenic stresses. Information & Authors Information Version history V1 Version 1 12 May 2026 Collection Ecology and Evolution Authors Affiliations Ariel Simons 0000-0003-0492-5492 [email protected] West Los Angeles College, Culver City, United States, 90230-3500 View all articles by this author Chris TIMLIN-BROUSSARD [email protected] West Los Angeles College, Culver City, United States, 90230-3500 View all articles by this author Avicka Willis [email protected] West Los Angeles College, Culver City, United States, 90230-3500 View all articles by this author Jerelyn Lee [email protected] West Los Angeles College, Culver City, United States, 90230-3500 View all articles by this author Metrics & Citations Metrics Article Usage 89 views 14 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Ariel Simons, Chris TIMLIN-BROUSSARD, Avicka Willis, et al. Urbanization decreases the richness and homogenizes fungal communities in California. Authorea . 12 May 2026. 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