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Hidden parasite diversity in a European freshwater system

Authors
  • Selbach, Christian1, 2
  • Soldánová, Miroslava3
  • Feld, Christian K.1
  • Kostadinova, Aneta4
  • Sures, Bernd1, 5
  • 1 University of Duisburg-Essen, Essen, 45141, Germany , Essen (Germany)
  • 2 Aarhus University, Aarhus C, 8000, Denmark , Aarhus C (Denmark)
  • 3 Czech Academy of Sciences, České Budějovice, 37005, Czech Republic , České Budějovice (Czechia)
  • 4 Bulgarian Academy of Sciences, 2 Gagarin Street, Sofia, 1113, Bulgaria , Sofia (Bulgaria)
  • 5 University of Johannesburg, Johannesburg, South Africa , Johannesburg (South Africa)
Type
Published Article
Journal
Scientific Reports
Publisher
Springer Nature
Publication Date
Feb 14, 2020
Volume
10
Issue
1
Identifiers
DOI: 10.1038/s41598-020-59548-5
Source
Springer Nature
License
Green

Abstract

Parasites comprise a huge part of the biodiversity on earth. However, on a local scale, not much is known about their diversity and community structure. Here, we assess the diversity of larval trematode communities in an interconnected freshwater system of the River Ruhr in Germany and analyse how the parasites are spatially and temporally distributed in the ecosystem. A total of 5347 snail hosts belonging to six species revealed a highly diverse parasite fauna with 36 trematode species. More abundant snail species harboured more species-rich trematode faunas and communities, with the two dominant snail species, Radix auricularia and Gyraulus albus, accounting for almost 90% of the trematode diversity and harbouring spatially and temporally stable parasite communities. The results highlight the important role of stable keystone host populations for trematode transmission, structure and diversity. This local trematode diversity reveals information on definitive host occurrence and trophic interactions within ecosystems.

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