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Disease EcologyCommunity structure and pathogen dynamics$
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Sharon K. Collinge and Chris Ray

Print publication date: 2006

Print ISBN-13: 9780198567080

Published to Oxford Scholarship Online: September 2007

DOI: 10.1093/acprof:oso/9780198567080.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 09 December 2021

Shifting roles of abiotic and biotic regulation of a multi-host parasite following disturbance

Shifting roles of abiotic and biotic regulation of a multi-host parasite following disturbance

Chapter:
(p.135) chapter 10 Shifting roles of abiotic and biotic regulation of a multi-host parasite following disturbance
Source:
Disease Ecology
Author(s):

Mary F. Poteet

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198567080.003.0010

Disturbance can influence patterns of distribution and abundance in free-living species and, in turn, the dynamics of their parasites. Yet the effects of disturbance on host-parasite dynamics can be difficult to assess as most disturbances are unplanned or unreplicated. Sources of disturbance, such as clear-cut logging, provide ideal opportunities for measuring their effects on host-parasite interactions. This chapter explores the effects of clear-cuts on patterns and mechanisms of infection in each stage of a one-parasite, multi-host interaction involving a trematode, its definitive host (the Pacific giant salamander), and two obligate, intermediate hosts (aquatic snails and stonefly nymphs). Changes in stream community composition lead to an altered, relative, abundances of each host species within the stream community, which in turn lead to changes in trophic and competitive interactions that alter transmission of the parasite.

Keywords:   stream, logging, clear-cut, trematode, snail, salamander, transmission, competition, predation, host

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