Article Dans Une Revue Global Change Biology Année : 2024

Biological invasions are a population‐level rather than a species‐level phenomenon

1 University of South Bohemia [České Budějovice, Czechia]
2 GUST - Gulf University for Science and Technology
3 University of Lódź = Uniwersytet Łódzki
4 MSKU - Muğla Sıtkı Koçman Üniversitesi [Türkiye Cumhuriyetı] = Muğla Sıtkı Koçman University [Türkiye] = Université Sıtkı Koçman de Muğla [Turquie]
5 BU - Bournemouth University [Poole]
6 Ege university [Izmir, Turkey]
7 UFSCar - Federal University of São Carlos = Universidade Federal de São Carlos
8 IGB - Leibniz Institute of Freshwater Ecology and Inland Fisheries
9 ECOBIO - Ecosystèmes, biodiversité, évolution [Rennes]
10 UNITO - Università degli studi di Torino = University of Turin
11 Senckenberg Research Institute and Natural History Museum [Frankfurt]
12 University of Southampton
13 Hacettepe University = Hacettepe Üniversitesi
14 GEOMAR - Helmholtz Centre for Ocean Research [Kiel]
15 Eskisehir Osmangazi University
16 Helsingin yliopisto = Helsingfors universitet = University of Helsinki
17 IRSA - CNR Water Research Institute
18 UBO EPE - Université de Brest
19 AMURE - Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer
20 QUB - Queen's University [Belfast]
21 SibFU - Siberian Federal University
22 UdG - Universitat de Girona = University of Girona
23 UNT - Universidad Nacional de Tucumán
24 University of Houston
25 University of Melbourne
26 IEB / CAS - Institute of Experimental Botany of the Czech Academy of Sciences
27 ENTROPIE [Réunion] - Ecologie marine tropicale dans les Océans Pacifique et Indien
Adrián Lázaro-Lobo
Ben Parker
Victoria Dominguez Almela
Demetra Andreou
Jaime Moyano
Sencer Akalın
Cüneyt Kaya
Esra Bayçelebi
Sadi Aksu
Özgür Emiroğlu
Vanessa de Santis
J. Robert Britton
Martin A Nuñez
Emma Judith Hudgins
Dmitrii L Musolin
Ross N. Cuthbert

Résumé

Biological invasions pose a rapidly expanding threat to the persistence, functioning and service provisioning of ecosystems globally, and to socio‐economic interests. The stages of successful invasions are driven by the same mechanism that underlies adaptive changes across species in general—via natural selection on intraspecific variation in traits that influence survival and reproductive performance (i.e., fitness). Surprisingly, however, the rapid progress in the field of invasion science has resulted in a predominance of species‐level approaches (such as deny lists), often irrespective of natural selection theory, local adaptation and other population‐level processes that govern successful invasions. To address these issues, we analyse non‐native species dynamics at the population level by employing a database of European freshwater macroinvertebrate time series, to investigate spreading speed, abundance dynamics and impact assessments among populations. Our findings reveal substantial variability in spreading speed and abundance trends within and between macroinvertebrate species across biogeographic regions, indicating that levels of invasiveness and impact differ markedly. Discrepancies and inconsistencies among species‐level risk screenings and real population‐level data were also identified, highlighting the inherent challenges in accurately assessing population‐level effects through species‐level assessments. In recognition of the importance of population‐level assessments, we urge a shift in invasive species management frameworks, which should account for the dynamics of different populations and their environmental context. Adopting an adaptive, region‐specific and population‐focused approach is imperative, considering the diverse ecological contexts and varying degrees of susceptibility. Such an approach could improve and refine risk assessments while promoting mechanistic understandings of risks and impacts, thereby enabling the development of more effective conservation and management strategies.

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hal-04595914 , version 1 (01-06-2024)

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Phillip Joschka Haubrock, Ismael Soto, Danish A. Ahmed, Ali R. Ansari, Ali Serhan Tarkan, et al.. Biological invasions are a population‐level rather than a species‐level phenomenon. Global Change Biology, 2024, 30 (5), pp.e17312. ⟨10.1111/gcb.17312⟩. ⟨hal-04595914⟩
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