Issue |
Knowl. Manag. Aquat. Ecosyst.
Number 426, 2025
Riparian ecology and management
|
|
---|---|---|
Article Number | 15 | |
Number of page(s) | 6 | |
DOI | https://doi.org/10.1051/kmae/2025010 | |
Published online | 21 May 2025 |
Data Paper
IsoFresh: A global stable isotope database of freshwater food webs
1
Centre de Recherche sur la Biodiversité et l'Environnement (CRBE), Université de Toulouse, CNRS, IRD, Toulouse INP, Université Toulouse 3–Paul Sabatier (UT3), Toulouse, France
2
Fondation pour la Recherche sur la Biodiversité – Centre de Synthèse et d’Analyse sur la Biodiversité (FRB-CESAB), Montpellier, France
3
Conservation Science Partners, Inc., Truckee, CA, USA
4
German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
5
Department of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
6
Biology Department, Seattle University, Seattle, WA, United States
7
King County Water and Land Resources Division, Science and Technical Support Section, Seattle, Washington, USA
8
Scottish Centre for Ecology and the Natural Environment, School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, UK
9
Water@Leeds, School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds, UK
10
South African Institute for Aquatic Biodiversity (SAIAB), Makhanda, South Africa
11
Te Kura Pūtaiao Koiora, Te Whare Wānanga o Waitaha | School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
12
Faculty of Geoscience and Environment, University of Lausanne, Lausanne, Switzerland
13
Área de Biodiversidad y Conservación, Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Móstoles, Madrid, Spain
14
DECOD, INRAE, IFREMER, L’Institut Agro, Rennes, France
15
Freshwater Habitat Section, National Centre for Effectiveness Science, Fisheries and Oceans Canada, Moncton, New Brunswick, Canada
16
Department of Biology, University of Oxford, Oxford, UK
17
School of Aquatic and Fishery Sciences, University of Washington, Seattle, Washington, 98105, USA
* Corresponding authorS: stephanie.bouletreau@univ-tlse3.fr; julien.cucherousset@univ-tlse3.fr
Received:
7
March
2025
Accepted:
16
April
2025
Ecologists seek to understand the ways that human activities are altering the structures and processes that support biodiversity and nature's contributions to people. Food web research at the interface of community and ecosystem ecology is promising in this regard. An industry of studies has utilized stable isotopes in recent decades to rapidly characterize energy and material transfer among organisms in freshwater food webs. Nevertheless, these efforts have been somewhat siloed and mainly locally-based, and lack of a centralized database has limited efforts to tackle questions about food web change using isotopes at a global scale. Here we present IsoFresh, a freshwater food web database that contains species-level carbon (δ13C) and nitrogen (δ15N) stable isotope values for 15343 organisms, representing 1001 food webs and including > 1600 fish species and associated potential prey, from 65 countries around the globe. Our hope is that IsoFresh is used to explore fundamental and applied food web questions, contributing new knowledge about global environmental change so that human societies can better conserve and manage freshwater ecosystems along desirable future trajectories.
Key words: Stable isotope analyses / food web architecture / trophic interaction / trophic niche / fish / macroinvertebrates / human perturbations / freshwater ecosystems
© S. Boulêtreau et al., Published by EDP Sciences 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License CC-BY-ND (https://creativecommons.org/licenses/by-nd/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. If you remix, transform, or build upon the material, you may not distribute the modified material.
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