Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [130041]

Community structure, population structure and topographical specialisation of Gyrodactylus (Monogenea) ectoparasites living on sympatric stickleback species Raeymaekers, J.A.M.; Huyse, T.; Maelfait, H.; Hellemans, B.; Volckaert, F.A.M. (2008). Community structure, population structure and topographical specialisation of Gyrodactylus (Monogenea) ectoparasites living on sympatric stickleback species. Folia Parasitol. 55(3): 187-196 In: Folia Parasitologica. Academy of Sciences of the Czech Republic: Ceské Budejovice. ISSN 0015-5683; e-ISSN 1573-1022, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 143530 [ download pdf ]

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Trefwoorden

Abundance Hosts Interactions Parasites Population characteristics > Population structure Population dynamics Taxa > Species Gasterosteus aculeatus Linnaeus, 1758 [WoRMS]; Gyrodactylidae Cobbold, 1864 [WoRMS]; Gyrodactylus von Nordmann, 1832 [WoRMS]; Monogenea [WoRMS]; Platyhelminthes [WoRMS]; Pungitius pungitius (Linnaeus, 1758) [WoRMS] ANE, België [Marine Regions]; ANE, Noordzee [Marine Regions] Marien/Kust

Author keywords

host specificity; coexistence; Gasterosteus aculeatus; Pungithispungitius; Gyrodactylidae; host density; site specificity; sympatry

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Auteurs		Top
Raeymaekers, J.A.M., meer Huyse, T., meer Maelfait, H., meer	Hellemans, B., meer Volckaert, F.A.M., meer

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Abstract

In order to disentangle the contribution of host and parasite biology to host specificity, we compared the structure and population dynamics of the Gyrodactylus (von Nordmann, 1832) flatworm community living on sympatric three-spined Gasterosteus aculeatus L. and nine-spined Pungitius pungitius (L.) stickleback. Between April 2002 and March 2003, a small lowland creek was sampled monthly. Species identity of about 75% of the worms per host was determined with a genetic nuclear marker (ITS1). Each stickleback species hosted a characteristic gill- and fin-parasitic Gyrodactylus: G. arcuatus Bychowsky, 1933 and G. gasterostei Gläser, 1974 respectively infecting the three-spined stickleback, with G. rarus Wegener, 1910 and G. pungitii Malmberg, 1964 infecting the nine-spined stickleback. Host size and seasonal dynamics were strong determinants of parasite abundance. A strong interaction between host and parasite species determined infection levels and affected three levels of parasite organisation: community structure, population structure and topographical specialisation. Community and population structure were shaped by asymmetric cross-infections, resulting in a net transmission of the Gyrodactylus species typical of the nine-spined stickleback towards the three-spined stickleback. Host density was not a major determinant of parasite exchange. Aggregation and topographical specialisation of the Gyrodactylus species of the three-spined stickleback were more pronounced than that of the nine-spined stickleback.

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