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A review and meta-analysis of the environmental biology of bleak Alburnus alburnus in its native and introduced ranges, with reflections on its invasiveness.

Latorre, D, Masó, G, Cano-Barbacil, C, Zamora-Marin, J., Almeida, D, Vilizzi, L, Britton, J., Cruz, A, Fernández-Delgado, C, González-Rojas, A., Miranda, R, Rubio-Gracia, F, Tarkan, A. S., Torralva, M, Vila-Gispert, A, Copp, G. H. and Ribeiro, F, 2023. A review and meta-analysis of the environmental biology of bleak Alburnus alburnus in its native and introduced ranges, with reflections on its invasiveness. Reviews in Fish Biology and Fisheries. (In Press)

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DOI: 10.1007/s11160-023-09767-6

Abstract

The bleak Alburnus alburnus is a medium body-size leuciscid fish that is naturally distributed across central European and western Asian fresh waters. However, during the last two decades A. alburnus has been widely introduced elsewhere in Europe and in northern Africa, mostly as a forage species for game fishes. Given its relatively recent history of invasion in non-native Eurasian waters, where it can become highly abundant, A. alburnus poses a serious risk to native communities where introduced. This study provides a review and meta-analysis of the biological traits of A. alburnus coupled with insights into its invasiveness. In its native range, A. alburnus has a moderate lifespan, inhabiting lakes or still waters in medium-to-large rivers, where it feeds mainly on zooplankton. However, non-native A. alburnus populations display high phenotypic plasticity in their biological attributes. Thus, growth, reproductive and/or dietary traits have adapted to local environmental conditions, with the species also invading lotic (stream) ecosystems. Feeding changes to benthic invertebrates, plant material and detritus when zooplankton is scarce. Such plasticity, including broad physiological tolerance, is likely to facilitate the species' adaptation and invasion of new habitats in the near future.

Item Type:Article
ISSN:0960-3166
Uncontrolled Keywords:Distribution; Impacts; Habitat use; Population dynamics; Reproduction; Diet
Group:Faculty of Science & Technology
ID Code:38384
Deposited By: Symplectic RT2
Deposited On:28 Mar 2023 13:00
Last Modified:28 Mar 2023 13:00

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