Unravelling large-scale patterns and drivers of biodiversity in dry rivers
Foulquier, Arnaud (Université Grenoble Alpes)
Datry, Thibault (Institut National de Recherche Agricole, Alimentaire et Environnementale)
Corti, Roland (Institut National de Recherche Agricole, Alimentaire et Environnementale)
von Schiller, Daniel (Universitat de Barcelona. Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals)
Tockner, Klement (Senckenberg Gesellschaft für Naturforschung)
Stubbington, Rachel (Nottingham Trent University)
Gessner, Mark O. (Leibniz Institute of Freshwater Ecology and Inland Fisheries)
Boyer, Frédéric (Université Grenoble Alpes)
Ohlmann, Marc (Université Grenoble Alpes)
Thuiller, Wilfried (Université Grenoble Alpes)
Rioux, Delphine (Université Grenoble Alpes)
Miquel, Christian (Université Grenoble Alpes)
Albariño, Ricardo (Instituto de Investigaciones en Biodiversidad y Medioambiente (Argentina))
Allen, Daniel C. (The Pennsylvania State University)
Altermatt, Florian (University of Zurich)
Arce, Maria Isabel (Universidad de Murcia)
Arnon, Shai (Ben-Gurion University of the Negev)
Banas, Damien (Université de Lorraine)
Banegas-Medina, Andy (Universidad Nacional Autónoma de Honduras)
Beller, Erin (Real Estate and Workplace Services Sustainability Team (USA))
Blanchette, Melanie L. (Edith Cowan University)
Blessing, Joanna (Queensland Government)
Boëchat, Iola Gonçalves (Federal University of São João del-Rei)
Boersma, Kate (University of San Diego)
Bogan, Michael (University of Arizona)
Bonada, Núria (Universitat de Barcelona. Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals)
Bond, Nick (La Trobe University)
Brintrup, Katherine (Universidad San Sebastián (Xile))
Bruder, Andreas (Scuola Universitaria Professionale della Svizzera Italiana)
Burrows, Ryan (The University of Melbourne)
Cancellario, Tommaso (Universitat de les Illes Balears)
Canhoto, Cristina (University of Coimbra)
Carlson, Stephanie (University of California)
Cid, Núria (Institut de Recerca i Tecnologia Agroalimentàries)
Cornut, Julien (Université de Lorraine)
Danger, Michael (Université de Lorraine)
de Freitas Terra, Bianca (Universidade Estadual Vale do Acaraú)
De Girolamo, Anna Maria (Istituto di Ricerca Sulle Acque)
del Campo, Rubén (University of Innsbruck)
Díaz Villanueva, Verónica (Instituto de Investigaciones en Biodiversidad y Medioambiente (Argentina))
Dyer, Fiona (University of Canberra)
Elosegi, Arturo (Universidad del País Vasco)
Febria, Catherine (University of Windsor)
Figueroa Jara, Ricardo (Universidad de Concepción)
Four, Brian (Université de Corse)
Gafny, Sarig (Ruppin Academic Center)
Gómez, Rosa (Universidad de Murcia)
Gómez-Gener, Lluís (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Guareschi, Simone (University of Turin)
Gücker, Björn (Federal University of São João del-Rei)
Hwan, Jason (California Department of Fish and Wildlife)
Jones, J. Iwan (Queen Mary University of London)
Kubheka, Patrick S. (Ezemvelo KZN Wildlife)
Laini, Alex (University of Turin)
Langhans, Simone Daniela (Norwegian Institute for Water Research)
Launay, Bertrand (Institut National de Recherche Agricole, Alimentaire et Environnementale)
Le Goff, Guillaume (Institut National de Recherche Agricole, Alimentaire et Environnementale)
Leigh, Catherine (RMIT University)
Little, Chelsea (Simon Fraser University)
Lorenz, Stefan (Julius-Kühn-Institute)
Marshall, Jonathan (Griffith University)
Martin Sanz, Eduardo J. (Swiss Federal Institute for Aquatic Science and Technology)
McIntosh, Angus (University of Canterbury)
Mendoza-Lera, Clara (University of Kaiserslautern-Landau)
Meyer, Elisabeth I. (University of Münster)
Miliša, Marko (University of Zagreb)
Mlambo, Musa C. (Albany Museum)
Morais, Manuela (University of Évora)
Moya, Nabor (Universidad San Francisco Xavier)
Negus, Peter (Queensland Government)
Niyogi, Dev (Missouri University of Science and Technology)
Pagán, Iluminada (Asociación Meles)
Papatheodoulou, Athina (Open University of Cyprus)
Pappagallo, Giuseppe (Istituto di Ricerca Sulle Acque)
Pardo, Isabel (Universidade de Vigo)
Pařil, Petr (Masaryk University)
Pauls, Steffen U. (Senckenberg Biodiversity and Climate Research Centre)
Polášek, Marek (Masaryk University)
Rodríguez-Lozano, Pablo (Universitat de les Illes Balears)
Rolls, Robert J. (University of New England)
Sánchez-Montoya, Maria Mar (Universidad Complutense de Madrid)
Savić, Ana (University of Niš)
Shumilova, Oleksandra (Leibniz Institute of Freshwater Ecology and Inland Fisheries)
Sridhar, Kandikere R. (Mangalore University)
Steward, Alisha (Griffith University)
Taleb, Amina (University of Tlemcen)
Uzan, Avi (Israel Nature and Parks Authority)
Valladares, Yefrin (Universidad Nacional Autónoma de Honduras)
Vander Vorste, Ross (University of Wisconsin-La Crosse)
Waltham, Nathan J. (James Cook University)
Zak, Dominik H. (Aarhus University)
Zoppini, Annamaria (Istituto di Ricerca Sulle Acque)

Data:	2024
Resum:	More than half of the world's rivers dry up periodically, but our understanding of the biological communities in dry riverbeds remains limited. Specifically, the roles of dispersal, environmental filtering and biotic interactions in driving biodiversity in dry rivers are poorly understood. Here, we conduct a large-scale coordinated survey of patterns and drivers of biodiversity in dry riverbeds. We focus on eight major taxa, including microorganisms, invertebrates and plants: Algae, Archaea, Bacteria, Fungi, Protozoa, Arthropods, Nematodes and Streptophyta. We use environmental DNA metabarcoding to assess biodiversity in dry sediments collected over a 1-year period from 84 non-perennial rivers across 19 countries on four continents. Both direct factors, such as nutrient and carbon availability, and indirect factors such as climate influence the local biodiversity of most taxa. Limited resource availability and prolonged dry phases favor oligotrophic microbial taxa. Co-variation among taxa, particularly Bacteria, Fungi, Algae and Protozoa, explain more spatial variation in community composition than dispersal or environmental gradients. This finding suggests that biotic interactions or unmeasured ecological and evolutionary factors may strongly influence communities during dry phases, altering biodiversity responses to global changes.
Ajuts:	European Commission 869226 Agencia Estatal de Investigación IJC2019-041601-I
Nota:	Altres ajuts: Margalida Comas postdoctoral contract (PD/031/2018) funded by the Government of the Balearic Islands
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Biodiversity ; Macroecology ; Community ecology
Publicat a:	Nature communications, Vol. 15 (August 2024) , art. 7233, ISSN 2041-1723

DOI: 10.1038/s41467-024-50873-1
PMID: 39174521

15 p, 3.5 MB

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