Variation in parasitism of intertidal invertebrates, with a focus on trematodes on the southwest of Ireland

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dc.contributor.advisor Culloty, Sarah C. en
dc.contributor.advisor Mcallen, Robert en
dc.contributor.advisor Ramsay, Ruth en Geraghty, Amy-Ciara 2018-08-21T09:03:05Z 2018 2018
dc.identifier.citation Geraghty, A-C. 2018. Variation in parasitism of intertidal invertebrates, with a focus on trematodes on the southwest of Ireland. PhD Thesis, University College Cork. en
dc.identifier.endpage 233 en
dc.description.abstract Parasites are ubiquitous in marine ecosystems, are sensitive to a range of environmental conditions, share characteristics of traditional bioindicators, and can be indicators of environmental stress. To investigate the role of environmental stressors on parasite communities, specifically trematodes, parasitological surveys of marine invertebrates were conducted across spatial and temporal scales on the coast of Ireland. The response of parasite communities and trematodes to environmental stressors varied in relation to habitat, stressor, host and parasite taxa surveyed. Parasite communities of the common periwinkle Littorina littorea, the dogwhelk Nucella lapillus and the common limpet Patella vulgata, were sampled on three shores of differing water classifications, defined by the Water Framework Directive, and Lough Hyne Marine Reserve, Co. Cork. Large variation in parasite richness and abundance was observed between gastropod species, months and sites sampled. The Ragworm, Hediste diversicolor, and green shore crab Carcinus maenas were surveyed in three estuaries of differing enrichment levels. The increased abundance of trematodes was recorded in tandem with higher concentrations of nutrient parameters and larger bird communities. The potential of statutory protection, to encourage parasite communities was assessed by a yearlong survey of subtidal Mytilus spp. populations and a short survey (one month) of intertidal P. vulgata populations in and around Lough Hyne. Parasite communities of both invertebrate taxa were similar in abundance and composition within and outside of Lough Hyne marine reserve. The limited exchange between outer waters and Lough Hyne, suggested that the reserve is unlikely to facilitate parasite taxa abundance. To investigate the observed low prevalence of trematodes in subtidal Mytilus spp., a series of laboratory trials was undertaken to assess the role of host stress on susceptibility to trematodes. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher University College Cork en
dc.rights © 2018, Amy-Ciara Geraghty. en
dc.rights.uri en
dc.subject Parasite en
dc.subject Intertidal en
dc.subject Invertebrate en
dc.subject Trematode en
dc.title Variation in parasitism of intertidal invertebrates, with a focus on trematodes on the southwest of Ireland en
dc.type Doctoral thesis en
dc.type.qualificationlevel Doctoral en
dc.type.qualificationname PhD en
dc.internal.availability Full text not available en Restricted to everyone for two years. en 2020-08-21T09:03:05Z
dc.description.version Accepted Version
dc.contributor.funder University College Cork en
dc.description.status Not peer reviewed en Biological, Earth and Environmental Sciences en
dc.check.reason This thesis is due for publication or the author is actively seeking to publish this material en
dc.check.opt-out Not applicable en
dc.thesis.opt-out false
dc.check.entireThesis Entire Thesis Restricted
dc.check.embargoformat Apply the embargo to the e-thesis on CORA (If you have submitted an e-thesis and want to embargo it on CORA) en
dc.internal.conferring Summer 2018 en
dc.internal.ricu Aquaculture & Fisheries Development Centre en
dc.relation.project University College Cork (Thomas Crawford-Hayes Fellowship) en

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© 2018, Amy-Ciara Geraghty. Except where otherwise noted, this item's license is described as © 2018, Amy-Ciara Geraghty.
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