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Назив: The longitudinal pattern of crustacean (Peracarida, Malacostraca) assemblages in a large south European river: Bank reinforcement structures as stepping stones of invasion
Аутори: ganec K.
Ćuk R.
Tomović, Jelena
Lajtner J.
Gottstein-Matočec S.
Đuretanović, Simona
Hudina S.
Tomic Lucic, Aleksandra
Mirt M.
Simić, Vladica
Simčič T.
Paunović, Momir
Часопис: Annales de Limnologie
Датум издавања: 1-јан-2018
Сажетак: © 2018 EDP Sciences. The spread of alien crustaceans has significantly contributed to the homogenization of macroinvertebrate fauna of European freshwaters. However, little is known about alien Peracarida crustaceans of the Sava River, which represents the most important corridor for the spread of invasive species into Dinaric rivers with highly endemic fauna. In this study, we investigated Peracarida (Amphipoda, Isopoda and Mysida) collected during three years (2011, 2012 and 2015) from a total of 61 sites along the entire course of the Sava River. Besides describing the longitudinal pattern of Peracarida assemblages, we tested the hypothesis that bank reinforcement structures facilitate peracarid invasions by comparing densities and assemblages on natural and artificial substrate at 15 sites. In a total, 14 peracarid crustacean species (5 native and 9 alien) were recorded. The Upper third of Sava was inhabited by native peracarids only, while the Middle and Lower Sava were dominated by alien species. The invasive amphipods Dikerogammarus haemobaphes, Chelicorophium sowinskyi and Chelicorophium curvispinum, and invasive isopod, Jaera istri, were the most abundant species along the middle course. Densities of alien peracarids in the Middle Sava were the highest and their share in macroinvertebrate assemblages was very variable, while the Lower Sava had the highest number of alien species in low densities. The densities of alien amphipods and isopods were in most cases significantly higher on bank reinforcement structures than on natural substrate. Therefore, artificial stony substrates act as stepping stones of invasion for alien peracarids and largely contribute to their success in large lowland rivers.
URI: https://scidar.kg.ac.rs/handle/123456789/8700
Тип: article
DOI: 10.1051/limn/2018008
ISSN: 00034088
SCOPUS: 85070216021
Налази се у колекцијама:Faculty of Science, Kragujevac

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