The three Rs of river ecosystem resilience: Resources, Recruitment and Refugia
2019
van Looy, K. | Tonkin, J.D. | Floury, Mathieu | Leigh, C. | Soininen, J. | Larsen, S. | Heino, J. | Le Roy Poff, N. | Delong, M. | Jahnig, S.C. | Datry, T. | Bonada, N. | Tison-Rosebery, Juliette | Jamoneau, Aurélien | Ormerod, S.J. | Collier, K.J. | Wolter, C. | INSTITUTE OF BIO AND GEOSCIENCESJULICH DEU ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | RiverLy - Fonctionnement des hydrosystèmes ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | DEPARTMENT OF INTEGRATIVE BIOLOGY OREGON STATE UNIVERSITY CORVALLIS OREGON USA ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | University of Canterbury [Christchurch] | Queensland University of Technology [Brisbane] (QUT) | Australian Rivers Institute ; Griffith University [Brisbane] | Helsingin yliopisto = Helsingfors universitet = University of Helsinki | German Centre for Integrative Biodiversity Research (iDiv) | FINNISH ENVIRONMENT INSTITUTE OULU FIN ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | DEPARTMENT OF BIOLOGY COLORADO STATE UNIVERSITY FORT COLLINS COLORADO USA ; Colorado State University [Fort Collins] (CSU) | INSTITUTE FOR APPLIED ECOLOGY UNIVERSITY OF CANBERRA AUS ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | DEPARTMENT OF BIOLOGY WINONA STATE UNIVERSITY WINONA MINNESOTA USA ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) | Universitat de Barcelona (UB) | Ecosystèmes aquatiques et changements globaux (UR EABX) ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Water Research Institute [Cardiff] ; Cardiff University | ENVIRONMENTAL RESEARCH INSTITUTE THE UNIVERSITY OF WAIKATO HAMILTON NZL ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Federal Ministry of Education & Research (BMBF) 1 LN1320A; H2020 Science with and for Society 642317 | European Project: 642317,H2020-SC5-2014-2015,H2020-SC5-2014-two-stage,AQUACROSS(2015)
[Departement_IRSTEA]Eaux [TR1_IRSTEA]QUASARE [ADD1_IRSTEA]Systèmes aquatiques soumis à des pressions multiples <br/>[Departement_IRSTEA]Eaux [TR1_IRSTEA]QUASARE [ADD1_IRSTEA]Systèmes aquatiques soumis à des pressions multiples
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显示更多 [+] 显示较少 [-]法语. Resilience in river ecosystems requires that organisms must persist in the face of highly dynamic hydrological and geomorphological variations. Disturbance events such as floods and droughts are postulated to shape life history traits that support resilience, but river management and conservation would benefit from greater understanding of the emergent effects in communities of river organisms. We unify current knowledge of taxonomic‐, phylogenetic‐, and trait‐based aspects of river communities that might aid the identification and quantification of resilience mechanisms. Temporal variations in river productivity, physical connectivity, and environmental heterogeneity resulting from floods and droughts are highlighted as key characteristics that promote resilience in these dynamic ecosystems. Three community‐wide mechanisms that underlie resilience are (a) partitioning (competition/facilitation) of dynamically varying resources, (b) dispersal, recolonization, and recruitment promoted by connectivity, and (c) functional redundancy in communities promoted by resource heterogeneity and refugia. Along with taxonomic and phylogenetic identity, biological traits related to feeding specialization, dispersal ability, and habitat specialization mediate organism responses to disturbance. Measures of these factors might also enable assessment of the relative contributions of different mechanisms to community resilience. Interactions between abiotic drivers and biotic aspects of resource use, dispersal, and persistence have clear implications for river conservation and management. To support these management needs, we propose a set of taxonomic, phylogenetic, and life‐history trait metrics that might be used to measure resilience mechanisms. By identifying such indicators, our proposed framework can enable targeted management strategies to adapt river ecosystems to global change.
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