Micronutrient levels of global tropical reef fish communities differ from fisheries capture
Abstract The exceptional diversity of shallow‐water marine fishes contributes to the nutrition of millions of people worldwide through coastal wild‐capture fisheries, with different species having diverse nutritional profiles. Fishes in ecosystems are reservoirs of micronutrients with benefits to hu...
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Wiley
2025-01-01
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| Online Access: | https://doi.org/10.1002/pan3.10736 |
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| author | Conor Waldock Eva Maire Camille Albouy Vania Andreoli Maria Beger Thomas Claverie Katie L. Cramer David A. Feary Sebastian C. A. Ferse Andrew Hoey Nicolas Loiseau M. Aaron MacNeil Matthew McLean Camille Mellin Simon Ahouansou Montcho Maria Lourdes Palomares Santiago de laPuente Mark Tupper Shaun Wilson Laure Velez Jessica Zamborain‐Mason Dirk Zeller David Mouillot Loïc Pellissier |
| author_facet | Conor Waldock Eva Maire Camille Albouy Vania Andreoli Maria Beger Thomas Claverie Katie L. Cramer David A. Feary Sebastian C. A. Ferse Andrew Hoey Nicolas Loiseau M. Aaron MacNeil Matthew McLean Camille Mellin Simon Ahouansou Montcho Maria Lourdes Palomares Santiago de laPuente Mark Tupper Shaun Wilson Laure Velez Jessica Zamborain‐Mason Dirk Zeller David Mouillot Loïc Pellissier |
| author_sort | Conor Waldock |
| collection | DOAJ |
| description | Abstract The exceptional diversity of shallow‐water marine fishes contributes to the nutrition of millions of people worldwide through coastal wild‐capture fisheries, with different species having diverse nutritional profiles. Fishes in ecosystems are reservoirs of micronutrients with benefits to human health. Yet, the amount of micronutrients contained in fish species on coral reefs and in shallow tropical waters is challenging to estimate, and the micronutrients caught by fisheries remain uncertain. To assess whether micronutrient deficiencies could be addressed through specific fisheries management actions, we first require a quantification of the potentially available micronutrients contained in biodiverse reef fish assemblages. Here, we therefore undertake a broad heuristic assessment of available micronutrients on tropical reefs using ensemble species distribution modelling and identify potential mismatches with micronutrients derived from summarising coastal fisheries landings data. We find a mismatch between modelled estimates of micronutrients available in the ecosystem on the one hand and the micronutrients in small‐scale fisheries landings data. Fisheries had lower micronutrients than expected from fishes in the modelled assemblage. Further, fisheries were selective for vitamin A, thus resulting in a trade‐off with other micronutrients. Our results remained unchanged after accounting for the under‐sampling of fish communities and under‐reporting of small‐scale fisheries catches—two major sources of uncertainty. This reported mismatch indicates that current estimates of fished micronutrients are not adequate to fully assess micronutrient inventories. However, small‐scale fisheries in some countries were already selective towards micronutrient mass, indicating policies that target improved access, distribution and consumption of fish could leverage this existing high micronutrient mass. Enhanced taxonomic resolution of catches and biodiversity inventories using localised species consumption surveys could improve understanding of nature‐people linkages. Improving fisheries reporting and monitoring of reef fish assemblages will advance the understanding of micronutrient mismatches, which overall indicate a weak uptake of nutritional goals in fisheries practices. The decoupling between micronutrients in ecosystems and in fisheries catches indicates that social, economic, and biodiversity management goals are not shaped around nutritional targets—but this is key to achieve a sustainable and healthy planet for both people and nature. Read the free Plain Language Summary for this article on the Journal blog. |
| format | Article |
| id | doaj-art-af4ff09cc62046098ef07e454e2fdd24 |
| institution | Kabale University |
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| spelling | doaj-art-af4ff09cc62046098ef07e454e2fdd242025-01-23T04:04:08ZengWileyPeople and Nature2575-83142025-01-0171325110.1002/pan3.10736Micronutrient levels of global tropical reef fish communities differ from fisheries captureConor Waldock0Eva Maire1Camille Albouy2Vania Andreoli3Maria Beger4Thomas Claverie5Katie L. Cramer6David A. Feary7Sebastian C. A. Ferse8Andrew Hoey9Nicolas Loiseau10M. Aaron MacNeil11Matthew McLean12Camille Mellin13Simon Ahouansou Montcho14Maria Lourdes Palomares15Santiago de laPuente16Mark Tupper17Shaun Wilson18Laure Velez19Jessica Zamborain‐Mason20Dirk Zeller21David Mouillot22Loïc Pellissier23Department of Environmental Systems Science, Institute of Terrestrial Ecosystems ETH Zürich Zürich SwitzerlandLancaster Environment Centre Lancaster University Lancaster UKDepartment of Environmental Systems Science, Institute of Terrestrial Ecosystems ETH Zürich Zürich SwitzerlandSea Around Us—Indian Ocean, School of Biological Sciences University of Western Australia Crawley Western Australia AustraliaFaculty of Biological Sciences, School of the Environment University of Leeds Leeds UKENTROPIE, Univ. La Réunion, IRD, IFREMER, Univ. Nouvelle‐Calédonie, CNRS CUFR Mayotte Saint‐Denis Réunion FranceGlobal Institute of Sustainability and Innovation, Center for Biodiversity Outcomes Arizona State University Tempe Arizona USAGeneral Organization for Conservation of Coral Reefs and Turtles, Red Sea Jeddah Saudi ArabiaLeibniz Centre for Tropical Marine Research (ZMT) Bremen GermanyAustralian Research Council Centre of Excellence for Coral Reef Studies and College of Science and Engineering James Cook University Townsville Queensland AustraliaMARBEC, Univ Montpellier, CNRS, IFREMER, IRD Montpellier FranceDepartment of Biology and Marine Biology, Center for Marine Science University of North Carolina Wilmington Wilmington USADepartment of Biology and Marine Biology, Center for Marine Science University of North Carolina Wilmington Wilmington USAThe Environment Institute and School of Biological Sciences University of Adelaide Adelaide South Australia AustraliaLaboratoire de Sciences Animales et Halieutique, Unité de Recherche en Aquaculture et Gestion des Pêches, Ecole d'Aquaculture Université Nationale d'Agriculture Porto‐Novo BeninSea Around Us Research Unit, Institute for the Oceans and Fisheries University of British Columbia Vancouver British Columbia CanadaInstitute for the Oceans and Fisheries University of British Columbia Vancouver British Columbia CanadaCentre for National Parks and Protected Areas, Institute of Science and Environment University of Cumbria Ambleside UKDepartment of Biodiversity Conservation and Attractions Perth Western Australia AustraliaMARBEC, Univ Montpellier, CNRS, IFREMER, IRD Montpellier FranceDepartment of Nutrition Harvard T.H. Chan School of Public Health Boston Massachusetts USASea Around Us—Indian Ocean, School of Biological Sciences University of Western Australia Crawley Western Australia AustraliaMARBEC, Univ Montpellier, CNRS, IFREMER, IRD Montpellier FranceDepartment of Environmental Systems Science, Institute of Terrestrial Ecosystems ETH Zürich Zürich SwitzerlandAbstract The exceptional diversity of shallow‐water marine fishes contributes to the nutrition of millions of people worldwide through coastal wild‐capture fisheries, with different species having diverse nutritional profiles. Fishes in ecosystems are reservoirs of micronutrients with benefits to human health. Yet, the amount of micronutrients contained in fish species on coral reefs and in shallow tropical waters is challenging to estimate, and the micronutrients caught by fisheries remain uncertain. To assess whether micronutrient deficiencies could be addressed through specific fisheries management actions, we first require a quantification of the potentially available micronutrients contained in biodiverse reef fish assemblages. Here, we therefore undertake a broad heuristic assessment of available micronutrients on tropical reefs using ensemble species distribution modelling and identify potential mismatches with micronutrients derived from summarising coastal fisheries landings data. We find a mismatch between modelled estimates of micronutrients available in the ecosystem on the one hand and the micronutrients in small‐scale fisheries landings data. Fisheries had lower micronutrients than expected from fishes in the modelled assemblage. Further, fisheries were selective for vitamin A, thus resulting in a trade‐off with other micronutrients. Our results remained unchanged after accounting for the under‐sampling of fish communities and under‐reporting of small‐scale fisheries catches—two major sources of uncertainty. This reported mismatch indicates that current estimates of fished micronutrients are not adequate to fully assess micronutrient inventories. However, small‐scale fisheries in some countries were already selective towards micronutrient mass, indicating policies that target improved access, distribution and consumption of fish could leverage this existing high micronutrient mass. Enhanced taxonomic resolution of catches and biodiversity inventories using localised species consumption surveys could improve understanding of nature‐people linkages. Improving fisheries reporting and monitoring of reef fish assemblages will advance the understanding of micronutrient mismatches, which overall indicate a weak uptake of nutritional goals in fisheries practices. The decoupling between micronutrients in ecosystems and in fisheries catches indicates that social, economic, and biodiversity management goals are not shaped around nutritional targets—but this is key to achieve a sustainable and healthy planet for both people and nature. Read the free Plain Language Summary for this article on the Journal blog.https://doi.org/10.1002/pan3.10736biodiversity modellingcatch reconstructionsfisheries catchnutritionreef fishreef fisheries |
| spellingShingle | Conor Waldock Eva Maire Camille Albouy Vania Andreoli Maria Beger Thomas Claverie Katie L. Cramer David A. Feary Sebastian C. A. Ferse Andrew Hoey Nicolas Loiseau M. Aaron MacNeil Matthew McLean Camille Mellin Simon Ahouansou Montcho Maria Lourdes Palomares Santiago de laPuente Mark Tupper Shaun Wilson Laure Velez Jessica Zamborain‐Mason Dirk Zeller David Mouillot Loïc Pellissier Micronutrient levels of global tropical reef fish communities differ from fisheries capture People and Nature biodiversity modelling catch reconstructions fisheries catch nutrition reef fish reef fisheries |
| title | Micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| title_full | Micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| title_fullStr | Micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| title_full_unstemmed | Micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| title_short | Micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| title_sort | micronutrient levels of global tropical reef fish communities differ from fisheries capture |
| topic | biodiversity modelling catch reconstructions fisheries catch nutrition reef fish reef fisheries |
| url | https://doi.org/10.1002/pan3.10736 |
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