Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/3296
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dc.contributor.authorTinsley, Richard C-
dc.contributor.authorYork, Jenny E-
dc.contributor.authorEverard, Amy L E-
dc.contributor.authorStott, Lucy C-
dc.contributor.authorChapple, Sara J-
dc.contributor.authorTinsley, M C-
dc.date.accessioned2014-04-05T23:08:03Z-
dc.date.available2014-04-05T23:08:03Z-
dc.date.issued2011-07-
dc.identifier.urihttp://hdl.handle.net/1893/3296-
dc.description.abstractSUMMARYFactors affecting survival of parasites introduced to new geographical regions include changes in environmental temperature. Protopolystoma xenopodis is a monogenean introduced with the amphibian Xenopus laevis from South Africa to Wales (probably in the 1960s) where low water temperatures impose major constraints on life-cycle processes. Effects were quantified by maintenance of eggs from infections in Wales under controlled conditions at 10, 12, 15, 18, 20 and 25°C. The threshold for egg viability/ development was 15°C. Mean times to hatching were 22 days at 25°C, 32 days at 20°C, extending to 66 days at 15°C. Field temperature records provided calibration of transmission schedules. Although egg production continues year-round, all eggs produced during >8 months/ year die without hatching. Output contributing significantly to transmission is restricted to 10 weeks (May-mid-July). Host infection, beginning after a time lag of 8 weeks for egg development, is also restricted to 10 weeks (July-September). Habitat temperatures (mean 15·5°C in summer 2008) allow only a narrow margin for life-cycle progress: even small temperature increases, predicted with 'global warming', enhance infection. This system provides empirical data on the metrics of transmission permitting long-term persistence of isolated parasite populations in limiting environments.en_UK
dc.language.isoen-
dc.publisherCambridge University Press-
dc.relationTinsley RC, York JE, Everard ALE, Stott LC, Chapple SJ & Tinsley MC (2011) Environmental constraints influencing survival of an African parasite in a north temperate habitat: effects of temperature on egg development, Parasitology, 138 (8), pp. 1029-1038.-
dc.rightsPublished in Parasitology. Copyright © Cambridge University Press 2011.; This paper has been accepted for publication and will appear in a revised form, subsequent to editorial input by Cambridge University Press, in Parasitology, Volume 138, Issue 8, (July 2011), pp. 1029 - 1038, published by Cambridge University Press, Copyright © Cambridge University Press 2011. http://journals.cambridge.org/action/displayJournal?jid=PAR-
dc.subjectXenopusen_UK
dc.subjectProtopolystomaen_UK
dc.subjectalien species introductionsen_UK
dc.subjectMonogeneaen_UK
dc.subjecttemperatureen_UK
dc.subjectdevelopmenten_UK
dc.subjectglobal warmingen_UK
dc.subject.lcshHost-parasite relationships.-
dc.subject.lcshXenopus-
dc.titleEnvironmental constraints influencing survival of an African parasite in a north temperate habitat: effects of temperature on egg developmenten_UK
dc.typeJournal Articleen_UK
dc.identifier.doihttp://dx.doi.org/10.1017/S0031182011000461-
dc.citation.jtitleParasitology-
dc.citation.issn0031-1820-
dc.citation.volume138-
dc.citation.issue8-
dc.citation.spage1029-
dc.citation.epage1038-
dc.citation.publicationstatusPublished-
dc.citation.peerreviewedRefereed-
dc.type.statusPost-print (author final draft post-refereeing)-
dc.author.emailmt18@stir.ac.uk-
dc.contributor.affiliationUniversity of Bristol-
dc.contributor.affiliationUniversity of Bristol-
dc.contributor.affiliationUniversity of Bristol-
dc.contributor.affiliationUniversity of Bristol-
dc.contributor.affiliationUniversity of Bristol-
dc.contributor.affiliationBiological and Environmental Sciences-
dc.identifier.isi000292615100009-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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