<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Anthropogenic disturbance associated with clear-cutting and changing the environmental landscape can lead to distinct microhabitat structure surrounding aquatic habitats. The transmission dynamics of trematode parasites in their snail first intermediate hosts were examined to determine if these alterations affect trematode parasite distribution. This was accomplished by examining 2,771 pulmonate snails belonging to two species (Physa gyrina and Lymnaea columella) over a three month period in a pond surrounded by distinct microhabitats as a result of anthropogenic changes to the environmental landscape. Trematode parasite distribution in the snail first intermediate hosts was largely tied to the microhabitat preference of their vertebrate definitive hosts. Autogenic species were found further away from the center of the open microhabitat and allogenic parasites were closer to the centralized point, most likely as a result of habitat preference by their frog and waterfowl definitive hosts, respectively. Additionally, there was increased parasitism in the molluscan hosts at the edges of the wooded environments due to habitat overlap of autogenic and allogenic species hosts, indicating that microhabitat structure can have profound effects on parasite distribution.</p></abstract>

Anthropogenic disturbance associated with clear-cutting and changing the environmental landscape can lead to distinct microhabitat structure surrounding aquatic habitats. The transmission dynamics of trematode parasites in their snail first intermediate hosts were examined to determine if these alterations affect trematode parasite distribution. This was accomplished by examining 2,771 pulmonate snails belonging to two species (Physa gyrina and Lymnaea columella) over a three month period in a pond surrounded by distinct microhabitats as a result of anthropogenic changes to the environmental landscape. Trematode parasite distribution in the snail first intermediate hosts was largely tied to the microhabitat preference of their vertebrate definitive hosts. Autogenic species were found further away from the center of the open microhabitat and allogenic parasites were closer to the centralized point, most likely as a result of habitat preference by their frog and waterfowl definitive hosts, respectively. Additionally, there was increased parasitism in the molluscan hosts at the edges of the wooded environments due to habitat overlap of autogenic and allogenic species hosts, indicating that microhabitat structure can have profound effects on parasite distribution.

Microhabitat differences surrounding a pond affects the distribution of trematode parasites among a pulmonate snail community

Department of Biology, Wake Forest University, 1834 Gulley Dr., Winston-Salem, NC, 27106, USA

Department of Biology, Shenandoah University, 1460 University Dr., Winchester, VA, 22601, USA

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Anthropogenic disturbance associated with clear-cutting and changing the environmental landscape can lead to distinct microhabitat structure surrounding...

Microhabitat differences surrounding a pond affects the distribution of trematode parasites among a pulmonate snail community

Publié en ligne: 04 nov. 2014

Pages: 301 - 308

DOI: https://doi.org/10.2478/s11687-014-0245-4

Mots clés
trematode, snail, microhabitat, autogenic, allogenic

© 2014 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Microhabitat differences surrounding a pond affects the distribution of trematode parasites among a pulmonate snail community

Publié en ligne: 04 nov. 2014

Pages: 301 - 308

DOI: https://doi.org/10.2478/s11687-014-0245-4

Mots cléstrematode, snail, microhabitat, autogenic, allogenic

© 2014 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
trematode, snail, microhabitat, autogenic, allogenic