What do we know about the ecology of aquatic Isoëtes species? Data gaps and opportunities to improve the global protection of truly iconic plants
2024
Azzella, Mattia, M | Vecchia, Alice, Dalla | Abeli, Thomas | Alahuhta, Janne | Amoroso, Victor, B | Ballesteros, Enric | Bertrin, Vincent | Brunton, Daniel | Bobrov, Alexander, A | Caldeira, Cecilio | Ceschin, Simona | Chemeris, Elena, V | Čtvrtlíková, Martina | de Winton, Mary | Gacia, Esperança | Grishutkin, Oleg, G | Hofstra, Deborah | Ivanova, Daniella | Ivanova, Maria, O | Konotop, Nikita, K | Larson, Danelle, M | Magrini, Sara | Mjelde, Marit | Mochalova, Olga, A | Oliveira, Guilherme | Pedersen, Ole | Pereira, Jovani, B de S | Ribaudo, Cristina | Romero Buján, María, Inmaculada | Troìa, Angelo | Vinogradova, Yulia, S | Volkova, Polina, A | Zandonadi, Daniel, Basílio | Zueva, Nadezhda, V | Bolpagni, Rossano | Department of Psychology [University of Roma "La Sapienza"] ; Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome] (UNIROMA) | Università degli studi di Parma = University of Parma (UNIPR) | Università degli Studi Roma Tre = Roma Tre University (ROMA TRE) | University of Oulu [Finland] = Oulun yliopisto [Suomi] = Université d'Oulu [Finlande] | Mindanao State University, Philippines | Centre d'Estudis Avançats de Blanes (CEAB) ; Consejo Superior de Investigaciones Cientificas [España] = Spanish National Research Council [Spain] (CSIC) | Ecosystèmes aquatiques et changements globaux (UR EABX) ; Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Pôle Écla - écosystèmes lacustres (ECLA) ; Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Service fonctionnement, préservation et restauration des écosystèmes aquatiques continentaux et marins (OFB Service EcoAqua) ; OFB Direction de la recherche et de l’appui scientifique (OFB - DRAS) ; Office français de la biodiversité (OFB)-Office français de la biodiversité (OFB)-OFB Direction de la recherche et de l’appui scientifique (OFB - DRAS) ; Office français de la biodiversité (OFB)-Office français de la biodiversité (OFB) | Canadian Museum of Nature | Papanin Institute for Biology of Inland Waters ; Russian Academy of Sciences [Moscow] (RAS) | Instituto Tecnológico Vale [Belém, Brazil] (ITV) | Institute of Soil Biology [Sádkách] (BIOLOGY CENTRE CAS) ; Biology Centre of the Czech Academy of Sciences (BIOLOGY CENTRE CAS) ; Czech Academy of Sciences [Prague] (CAS)-Czech Academy of Sciences [Prague] (CAS) | Institute of Biodiversity and Ecosystem Research [Sofia, Bulgaria] (IBER) | University of Wisconsin-La Crosse (UW-La Crosse) | Università degli studi della Tuscia = Tuscia University [Viterbo] (UNITUS) | Akvaplan-Niva [Tromsø] ; Norwegian Institute for Water Research (NIVA) | University of Copenhagen = Københavns Universitet (UCPH) | Rheinische Friedrich-Wilhelms-Universität Bonn | Environnements et Paléoenvironnements OCéaniques (EPOC) ; École Pratique des Hautes Études (EPHE) ; Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Bordeaux (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) | Universidade de Santiago de Compostela [España] = University of Santiago de Compostela [Spain] = Université de Saint-Jacques-de-Compostelle [Espagne] (USC) | International Union for Conservation of Nature (IUCN) | Russian State Hydrometeorological University [St.Petersburg] (RSHU) | Europe Section of the Society for Conservation Biology (SCB)
International audience
Show more [+] Less [-]English. The genus Isoëtes includes iconic plants, characteristic of a wide range of ecosystems including nutrient-poor aquatic waterbodies. They are wetland obligates which have suffered severe losses globally over time mainly due to alterations and loss in colonized habitats. This is due to their sensitivity to habitat alteration and eutrophication of water and sediment. Despite this, a global review of the ecological knowledge about aquatic species belonging to this genus is missing, and overall, we know very little at the global scale. An assessment of aquatic Isoëtes ecology is therefore important, particularly for a better understanding of what the main threats to their conservation are. Through a global, collaborative initiative a first global ecological assessment focusing on aquatic Isoëtes was carried out. It includes a literature review, an extensive new database on Isoëtes distribution and growth conditions, and ecological niche analyses. We first compiled a global aquatic Isoëtes database including all known environmental data collected between 1935 to 2023 (for a total of 1880 georeferenced records). We then used ordinations to quantify ecological niches and environmental drivers for a subset of species. Both well-established findings and unexpected results emerged, opening new perspectives for the conservation of aquatic Isoëtes.
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