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Lower parasite pressure in invasive freshwater bivalves than in sympatric native Unionidae mussels in southern European lakes

cris.virtual.author-orcid0000-0003-1239-8231
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dc.abstract.enThe Enemy Release Hypothesis (ERH) proposes that the success of bioinvasions is attributable to lower enemy pressure on invasive species compared to native ones, giving a competitive advantage for invaders. In line with the hypothesis, we previously observed in northern European bodies of fresh water that invasive bivalves were subject to lower parasite pressure than sympatric native mussels. Here, we investigated ERH in three southern European lakes, where the native mussels are rapidly declining and being replaced by non-native bivalves. In total, 679 bivalves (n of individuals per species per lake varying from 12 to 187) were collected during 2016–2018. Ten parasite taxa were found. The mean lake-specific number of parasite taxa in the native mussels (Anodonta exulcerata, A. cygnea, A. anatina and Unio elongatulus) was 2.6 times that in the invasive bivalves (Dreissena polymorpha, Corbicula fluminea and Sinanodonta woodiana). Similarly, the mean lake-specific sum of prevalences of infection by different parasite taxa in the native mussels was 3.4 times that in the invasive bivalves. Notable was the complete lack of parasites in C. fluminea. Thus, the results supported the Enemy Release Hypothesis and were in accordance with previous results from northern Europe, suggesting, on average, a lower parasite pressure in invasive bivalves than in sympatric native mussels. As parasites are usually harmful, this may contribute to the observed successful invasion of non-native freshwater bivalves in Europe.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Zoologii
dc.contributor.authorDeng, Binglin
dc.contributor.authorRiccardi, Nicoletta
dc.contributor.authorUrbańska, Maria
dc.contributor.authorMarjomäki, Timo J.
dc.contributor.authorAndrzejewski, Wojciech
dc.contributor.authorTaskinen, Jouni
dc.date.access2025-04-04
dc.date.accessioned2025-04-04T07:41:59Z
dc.date.available2025-04-04T07:41:59Z
dc.date.copyright2024-11-29
dc.date.issued2025
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>The Enemy Release Hypothesis (ERH) proposes that the success of bioinvasions is attributable to lower enemy pressure on invasive species compared to native ones, giving a competitive advantage for invaders. In line with the hypothesis, we previously observed in northern European bodies of fresh water that invasive bivalves were subject to lower parasite pressure than sympatric native mussels. Here, we investigated ERH in three southern European lakes, where the native mussels are rapidly declining and being replaced by non-native bivalves. In total, 679 bivalves (n of individuals per species per lake varying from 12 to 187) were collected during 2016–2018. Ten parasite taxa were found. The mean lake-specific number of parasite taxa in the native mussels (<jats:italic>Anodonta exulcerata</jats:italic>, <jats:italic>A. cygnea</jats:italic>, <jats:italic>A. anatina</jats:italic> and <jats:italic>Unio elongatulus</jats:italic>) was 2.6 times that in the invasive bivalves (<jats:italic>Dreissena polymorpha</jats:italic>, <jats:italic>Corbicula fluminea</jats:italic> and <jats:italic>Sinanodonta woodiana</jats:italic>). Similarly, the mean lake-specific sum of prevalences of infection by different parasite taxa in the native mussels was 3.4 times that in the invasive bivalves. Notable was the complete lack of parasites in <jats:italic>C. fluminea</jats:italic>. Thus, the results supported the Enemy Release Hypothesis and were in accordance with previous results from northern Europe, suggesting, on average, a lower parasite pressure in invasive bivalves than in sympatric native mussels. As parasites are usually harmful, this may contribute to the observed successful invasion of non-native freshwater bivalves in Europe.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographybibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if2,8
dc.description.number1
dc.description.points100
dc.description.versionfinal_published
dc.description.volume27
dc.identifier.doi10.1007/s10530-024-03458-4
dc.identifier.eissn1573-1464
dc.identifier.issn1387-3547
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2679
dc.identifier.weblinkhttps://link.springer.com/article/10.1007/s10530-024-03458-4
dc.languageen
dc.pbn.affiliationbiological sciences
dc.relation.ispartofBiological Invasions
dc.relation.pagesart. 10
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOTHER
dc.subject.enBivalvia
dc.subject.enbiological invasion
dc.subject.enenemy release hypothesis
dc.subject.enfreshwater
dc.subject.enmussel
dc.subject.enparasite
dc.subject.enUnionida
dc.titleLower parasite pressure in invasive freshwater bivalves than in sympatric native Unionidae mussels in southern European lakes
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume27