Improving predictions of invasive fish ranges combining functional and ecological traits with environmental suitability under climate change scenarios

Type : ACL
Nature : Production scientifique
Au bénéfice du Laboratoire : Oui
Statut de publication : Publié
Année de publication : 2021
Auteurs (6) : SCHICKELE Alexandre GUIDETTI Paolo GIAKOUMI S ZENETOS A FRANCOUR Patrice RAYBAUD Virginie
Revue scientifique : Global Change Biology
Volume :
Fascicule :
Pages :
DOI : 10.1111/gcb.15896
URL : https://pubmed.ncbi.nlm.nih.gov/34543498/#affiliation-2
Abstract : Biological invasions represent one of the main threats to marine biodiversity. From a conservation perspective, especially in the context of increasing sea warming, it is critical to examine the suitability potential of geographical areas for the arrival of Range Expanding Introduced and Native Species (REINS), and hence anticipate the risk of such species to become invasive in their new distribution areas. Here, we developed an empirical index, based on functional and bio-ecological traits, that estimates the Invasive Potential (IP; i.e. the potential success in transport, introduction and population establishment) for a set of 13 fishes that are expanding their distributional range into the Mediterranean Sea, the most invaded sea in the world. The IP index showed significant correlation with the observed spreading of REINS. For the six species characterised by the highest IP, we calculated contemporary and future projections of their Environmental Suitability Index (ESI). By using an ensemble modelling approach, we estimated the geographical areas that are likely to be the most impacted by REINS spreading under climate change. Our results demonstrated the importance of functional traits related to reproduction for determining high invasion potential. For most species, we found high contemporary ESI values in the South-eastern Mediterranean Sea and low to intermediate contemporary ESI values in the Adriatic Sea and North-western Mediterranean sector. Moreover, we highlighted a major potential future expansion of high ESI values, and thus REINS invasive potential, towards the northern Mediterranean, especially in the northern Adriatic Sea. This potential future northward expansion highlights the risk associated with climate-induced impacts on ecosystem conservation and fish stock management throughout the entire Mediterranean Sea.
Mots-clés : Functional and ecological traits; Mediterranean Sea; alien species; climate change; invasive potential; range expanding species; species distribution modelling.
Commentaire : -
Tags : -
Fichier attaché : -
Citation :
Schickele A, Guidetti P, Giakoumi S, Zenetos A, Francour P, Raybaud V (2021) Improving predictions of invasive fish ranges combining functional and ecological traits with environmental suitability under climate change scenarios. Global Change Biol | doi: 10.1111/gcb.15896