Freshwater biodiversity in a rapidly changing Arctic: An expert horizon scan of key research questions

Culp, Joseph M., Power, Michael, Christoffersen, Kirsten S., Goedkoop, Willem, Kahilainen, Kimmo K., Rautio, Milla, Chaguaceda, Fernando, Hébert, Marie-Pier, Moedt, Sanne M., Antoniades, Dermot, Belle, Simon, Bolnick, Daniel, Bouchard, Frederic, Brittain, John E., Byström, Pär, Chavarie, Louise, Couture, Raoul-Marie, Derry, Alison M., Eloranta, Antti P., Frainer, André, Girard, Catherine, Grosbois, Guillaume ORCID logoORCID: https://orcid.org/0000-0002-1306-8528, Hessen, Dag O., Hogg, Ian, Jungblut, Anne D., Lakka, Hanna-Kaisa, Lam, Jen, Lau, Danny C. P., Leblanc, Camille A., Lento, Jennifer, MacIntyre, Sally, Marsh, Phil, Martyniuk, Mackenzie A. C., Milner, Alexander, Musetta-Lambert, Jordan, Mustonen, Tero, Nowosad, Danielle, Saros, Jasmine E., Schartau, Ann Kristin, Smol, John P., Soininen, Janne, Svenning, Martin- A., Tape, Ken D. et Wrona, Frederick J. (2026). Freshwater biodiversity in a rapidly changing Arctic: An expert horizon scan of key research questions. Ambio . doi:10.1007/s13280-025-02331-5 Repéré dans Depositum à https://depositum.uqat.ca/id/eprint/1772

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Résumé

Arctic freshwater biodiversity is rapidly changing due to climate warming, resource extraction, infrastructure development, and landscape transformation. To improve understanding, predict future responses, and inform policy formulation, research needs must be clearly identified. Using a horizon scan survey, Arctic freshwater experts from government, international agencies, and Indigenous Peoples identified 77 biodiversity research questions with 17 highlighted as most important for near term assessment. These questions span nine thematic categories: biodiversity and taxonomic challenges, hydrological change, productivity and food webs, ecosystem connectivity, methods, monitoring and assessment, permafrost change, winter ecology, anthropogenic development, and Indigenous Knowledge. Climate change emerged as the major driver among all categories and research questions. A key priority identified was the urgent need for long-term, harmonized monitoring programs among Arctic countries. Multiple knowledge gaps detected suggest that circumpolar research collaborations are required to tackle these issues.

Type de document: Article
Informations complémentaires: La version officielle de cet article a été publiée dans la revue Ambio en 2026. Le texte intégral de l’article est disponible en libre accès sur le site de la revue : https://doi.org/10.1007/s13280-025-02331-5.
Mots-clés libres: Circumpolar research collaboration; Climate warming; Impacts of human development; Long-term monitoring; Subsistence fisheries
Divisions: Forêts
Date de dépôt: 19 mars 2026 12:56
Dernière modification: 19 mars 2026 12:56
URI: https://depositum.uqat.ca/id/eprint/1772

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