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Title: A multi-taxa assessment of aquatic non-indigenous species introduced into Iberian freshwater and transitional waters
Authors: Zamora-Marin, Jose M.; Ruiz-Navarro, Ana; Oficialdegui, Francisco J.; Anastacio, Pedro M.; Miranda, Rafael; Garcia-Murillo, Pablo; Cobo, Fernando; Ribeiro, Filipe; Gallardo, Belinda; Garcia-Berthou, Emili; Boix, Dani; Medina, Leopoldo; Morcillo, Felipe; Oscoz, Javier; Guillen, Antonio; Herrero-Reyes, Antonio A.; Aguiar, Francisca C.; Almeida, David; Arias, Andres; Ayres, Cesar; Banha, Filipe; Barca, Sandra; Biurrun, Idoia; Cabezas, M. Pilar; Calero, Sara; Campos, Juan A.; Capdevila-Arguelles, Laura; Capinha, Cesar; Carapeto, Andre; Casals, Frederic; Chainho, Paula; Cirujano, Santos; Clavero, Miguel; Cuesta, Jose A.; Deltoro, Vicente; Encarnacao, Joao; Fernandez-Delgado, Carlos; Franco, Javier; Garcia-Meseguer, Antonio J.; Guareschi, Simone; Guerrero-Gomez, Adrian; Hermoso, Virgilio; Lopez-Canizares, Celia; Lopez-Soriano, Joaquin; Machordom, Annie; Martelo, Joana; Mellado-Diaz, Andres; Moreno, Juan C.; del Amo, Rosa Olivo; Otero, J. Carlos; Perdices, Anabel; Pou-Rovira, Quim; Quinonero-Salgado, Sergio; Rodriguez-Merino, Argantonio; Ros, Macarena; Sanchez-Gullon, Enrique; Sanchez, Marta I.; Sanchez-Fernandez, David; Sanchez-Gonzalez, Jorge R.; Soriano, Oscar; Teodosio, M. Alexandra; Torralva, Mar; Vieira-Lanero, Rufino; Zamora-Lopez, Antonio; Oliva-Paterna, Francisco J.
Citation: NEOBIOTA, 2023, 89, 17-44
Abstract: Aquatic ecosystems are particularly vulnerable to the introduction of non-indigenous species (NIS), lead-ing to multi-faceted ecological, economic and health impacts worldwide. The Iberian Peninsula comprises an exceptionally biodiverse Mediterranean region with a high number of threatened and endemic aquatic species, most of them strongly impacted by biological invasions. Following a structured approach that combines a systematic review of available information and expert opinion, we provide a comprehensive and updated multi-taxa inventory of aquatic NIS (fungi, macroalgae, vascular plants, invertebrates and vertebrates) in Iberian inland waters. Moreover, we assess overall patterns in the establishment status, in-troduction pathways, native range and temporal introduction trends of listed NIS. In addition, we discuss the legal coverage provided by both national (Spanish and Portuguese) and European NIS regulations. We inventoried 326 aquatic NIS in Iberian inland waters, including 215 established, 96 with uncertain estab-lishment status and 15 cryptogenic taxa. Invertebrates (54.6\%) and vertebrates (24.5\%) were the groups with the highest number of NIS, with Arthropoda, Mollusca, and Chordata being the most represented phyla. Recorded NIS originated from diverse geographic regions, with North and South America being the most frequent. Vertebrates and vascular plants were mostly introduced through intentional pathways (i.e. release and escape), whereas invertebrates and macroalgae arrived mostly through unintentional ways (i.e. contaminant or stowaway). Most of the recorded NIS were introduced in Iberian inland waters over the second half of the 20th century, with a high number of NIS introductions being reported in the 2000s. While only 8\% of the recorded NIS appear in the European Union list of Invasive Alien Species of Union concern, around 25\% are listed in the Spanish and Portuguese NIS regulations. This study provides the most updated checklist of Iberian aquatic NIS, meeting the requirements set by the EU regulation and providing a baseline for the evaluation of its application. We point out the need for coordinated transna-tional strategies to properly tackle aquatic invasions across borders of the EU members.
Keywords: Alien species; checklist; environmental management; estuaries; inland waters,; Portugal; regulation; Spain; Western Mediterranean
Issue Date: 2023
Type: Article
DOI: 10.3897/neobiota.89.105994
ISSN: 1619-0033
E-ISSN: 1314-2488
Funder: LIFE INVASAQUA project (Aquatic Invasive Alien Species of Freshwater and Estuarine Systems: Awareness and Prevention in the Iberian Peninsula) - EU LIFE Program [LIFE17 GIE/ES/000515]
Fundacion Biodiversidad (Government of Spain)
Spanish Ministry of Science and Innovation
Foundation for Science and Technology
Basque Government [UIDP/00295/2020]
FCT, Portugal
Portuguese national funds
Portuguese national funds [CEEC/0482/2020, CEEC/01896/2021]
Government of Navarre
FCT-Fundacao para a Ciencia e a Tecnologia, I.P
European Union NextGeneration EU/PRTR
University of Murcia
Appears in Publication types:Artículos científicos

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