Food restriction controls biomass and nutrient fate during animal growth: evidence from a terrestrial consumer

Food restriction controls biomass and nutrient fate during animal growth: evidence from a terrestrial consumer | 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 Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed.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. 24 July 2025 V1 Latest version Share on Food restriction controls biomass and nutrient fate during animal growth: evidence from a terrestrial consumer Authors : Samuel Charberet 0000-0001-6284-0548 [email protected] , Jerome Mathieu 0000-0002-9106-6106 , Annick Maria , David Siaussat , and Isabelle Gounand 0000-0002-0675-3973 Authors Info & Affiliations https://doi.org/10.22541/au.175337306.60290083/v1 273 views 184 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Consumers mediate nutrient fluxes through food webs via ingestion, growth, and waste production. The balance among these individual-level processes is expected to scale up and shape nutrient fluxes at the ecosystem level. Here, we quantitatively assessed how food limitation during growth affects the nutrients’ fate after ingestion. We estimated the balance of eight chemical elements in larvae of Spodoptera littoralis . The efficiency of assimilation and retention time of all elements decreased with intake rate. The larvae feeding at low intake rates were richer in elements other than carbon, while their waste followed the opposite pattern. Growth efficiency peaked at intermediate rates of both intake and growth. These findings highlight that resource availability controls the balance between element retention and release at the individual level, which should affect trophic dynamics and nutrient recycling at the community and ecosystem levels. Supplementary Material File (intake_rate_paper_ecol_letters.pdf) Download 550.26 KB Information & Authors Information Version history V1 Version 1 24 July 2025 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords assimilation efficiency elements food restriction growth intake nutrient cycling rate retention time stoichiometry Authors Affiliations Samuel Charberet 0000-0001-6284-0548 [email protected] University of Lausanne View all articles by this author Jerome Mathieu 0000-0002-9106-6106 Sorbonne University View all articles by this author Annick Maria Sorbonne University View all articles by this author David Siaussat Sorbonne University View all articles by this author Isabelle Gounand 0000-0002-0675-3973 CNRS View all articles by this author Metrics & Citations Metrics Article Usage 273 views 184 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Samuel Charberet, Jerome Mathieu, Annick Maria, et al. Food restriction controls biomass and nutrient fate during animal growth: evidence from a terrestrial consumer. Authorea . 24 July 2025. 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