Phytoplankton species coexistence mediated by functional equivalence and cooperation

Phytoplankton species coexistence mediated by functional equivalence and cooperation | 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 Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 5 June 2025 V1 Latest version Share on Phytoplankton species coexistence mediated by functional equivalence and cooperation Authors : Carla Kruk 0000-0003-0760-1186 [email protected] , Claudia Piccini 0000-0002-2762-1953 , Guadalupe Beamud , Lía Sampognaro , Facundo Lepillanca , José Roberto Sotelo-Silveira , and Angel Segura 0000-0002-1989-8899 Authors Info & Affiliations https://doi.org/10.22541/au.174912506.62913262/v1 261 views 139 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract The ability to predict community assembly, species coexistence, and biological invasions in a changing environment remains a significant challenge. Here, by combining a functional traits, niche and fitness frameworks we derived the following hypotheses: 1) species with analogous traits occupy analogous niches; 2) within each niche, species from the same morphology-based functional group (MBFG) are interchangeable and might cooperate; and 3) successful invaders belong to the resident MBFG. Controlled experiments with phytoplankton communities under contrasting environmental scenarios and the invasion of two bloom-forming toxic cyanobacteria were used to test hypothesis. Fitness was estimated using Tilman’s R*, and functional abilities were evaluated with morphological and metagenomic traits. Environmental filters were primary determinants of community structure, individual traits reflected the species niche and defined invasion success. Warm and eutrophic treatments increased total biomass, in which light limitation allowed filamentous cyanobacteria to dominate. However, different species of the same MBFG alternatively dominated or co-dominated while fundamental functions remained and potential cooperation observed. These findings, in conjunction with the successful invasion of species from the resident MBFG, contribute to a more nuanced understanding of community assembly according to Modern Coexistence Theory in species-rich communities and improve predictions of global impacts on water quality. Supplementary Material File (oik-11739-file001.doc) Download 1.39 MB Information & Authors Information Version history V1 Version 1 05 June 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords cyanobacteria blooms environmental filters fitness functional traits invasion niche Authors Affiliations Carla Kruk 0000-0003-0760-1186 [email protected] Universidad de la República Facultad de Ciencias View all articles by this author Claudia Piccini 0000-0002-2762-1953 Instituto de Investigaciones Biologicas Clemente Estable View all articles by this author Guadalupe Beamud Universidad Nacional del Comahue View all articles by this author Lía Sampognaro Universidad de la Republica Uruguay - Centro Universitario de la Region Este - Sede Rocha View all articles by this author Facundo Lepillanca Instituto de Investigaciones Biologicas Clemente Estable View all articles by this author José Roberto Sotelo-Silveira Instituto de Investigaciones Biologicas Clemente Estable View all articles by this author Angel Segura 0000-0002-1989-8899 Universidad de la Republica Uruguay - Centro Universitario de la Region Este - Sede Rocha View all articles by this author Metrics & Citations Metrics Article Usage 261 views 139 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Carla Kruk, Claudia Piccini, Guadalupe Beamud, et al. Phytoplankton species coexistence mediated by functional equivalence and cooperation. Authorea . 05 June 2025. DOI: https://doi.org/10.22541/au.174912506.62913262/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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