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Population Biology and Landscape Ecology of Digenetic Trematode Parasites in their Gastropod Hosts, with Special Emphasis on Echinostoma spp.

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title
Population Biology and Landscape Ecology of Digenetic Trematode Parasites in their Gastropod Hosts, with Special Emphasis on Echinostoma spp.
author
Zimmermann, Michael R.
abstract
Digenetic trematode parasites are characterized by having complex life cycles involving both vertebrate and invertebrate hosts, and are grouped into 1 of 2 categories. Allogenic parasites have at least one host capable of moving between aquatic habitats, while autogenic species have all hosts restricted to a single body of water. These life cycle categories help shape the transmission dynamics of trematode larval stages in their gastropod hosts. Allogenic parasites, particularly those cycling through waterfowl, have distinct seasonal trends in their infection patterns in gastropod first intermediate hosts due to their ephemeral nature, while autogenic species exhibit continuous recruitment due to the consistent presence of definitive hosts. Additionally, the ecology and abundance of the definitive hosts and snail size were intimately associated with the infection patterns of miracidia in their gastropod first intermediate hosts.
subject
Echinostoma
Life cycle
Metacercariae
Snail
Trematode
contributor
Esch, Gerald W. (committee chair)
Sukhdeo, Michael V. K. (committee member)
Eure, Herman E. (committee member)
Johnson, Erik C. (committee member)
Silman, Miles (committee member)
Zeyl, Clifford W. (committee member)
date
2014-07-10T08:35:35Z (accessioned)
2016-07-10T08:30:10Z (available)
2014 (issued)
degree
Biology (discipline)
embargo
2016-07-10 (terms)
identifier
http://hdl.handle.net/10339/39292 (uri)
language
en (iso)
publisher
Wake Forest University
type
Dissertation

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