Parasites of the Deepwater Sculpin (Myoxocephalus thompsonii) Across Its Canadian Range
Identifieur interne : 000637 ( Main/Exploration ); précédent : 000636; suivant : 000638Parasites of the Deepwater Sculpin (Myoxocephalus thompsonii) Across Its Canadian Range
Auteurs : Joseph P. Carney [Canada] ; Tom A. Sheldon [Canada] ; Nathan R. Lovejoy [Canada]Source :
- The Journal of parasitology [ 0022-3395 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Deepwater sculpin (Myoxocephalus thompsonii) were collected from 19 lakes across the species' distribution in Canada and examined for parasites. Six helminth species (Crepidostomum farionis, Bothriocephalus cuspidatus, Proteocephalus sp., Cyathocephalus truncatus, Raphidascaris acus, and Echinorhynchus salmonis), 1 crustacean species (Ergasilus nerkae), and 1 molluscan species (glochidia) parasitized these hosts. Crepidostomum jarionis, Proteocephalus sp., R. acus, E. nerkae, and the glochidia represent new parasite records for this host species. Overall parasite prevalence was 78.0% while mean intensity was 6.1 ± 7.1 SD. Bothriocephalus cuspidatus was the most prevalent parasite and was recorded from 62.2% of the deepwater sculpin and found in 17 of the 19 lakes. The low-productivity habitat of this host limits the parasites available for transmission, and the infra- and component communities were generally species poor. With the exception of the Proteocephalus sp., all of the helminth parasites recovered have been reported as adults in lake trout (Salvelinus namaycush) or burbot (Lota lota), suggesting that, in the lakes where they occur, deepwater sculpin may play an important role in energetic transfer and parasitic transmission to higher trophic levels.
Affiliations:
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Le document en format XML
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Forces</s1><s2>Kingston, Ontario, K7K 7B4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Kingston, Ontario, K7K 7B4</wicri:noRegion></affiliation></author><author><name sortKey="Lovejoy, Nathan R" sort="Lovejoy, Nathan R" uniqKey="Lovejoy N" first="Nathan R." last="Lovejoy">Nathan R. 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Carney</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biology, Lakehead University, CB 4020, 955 Oliver Road, Thunder Bay</s1><s2>Ontario, P7B 5E1</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ontario, P7B 5E1</wicri:noRegion></affiliation></author><author><name sortKey="Sheldon, Tom A" sort="Sheldon, Tom A" uniqKey="Sheldon T" first="Tom A." last="Sheldon">Tom A. Sheldon</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Environmental Sciences Group, Royal Military College of Canada, P.O. Box 17000 Stn. Forces</s1><s2>Kingston, Ontario, K7K 7B4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Kingston, Ontario, K7K 7B4</wicri:noRegion></affiliation></author><author><name sortKey="Lovejoy, Nathan R" sort="Lovejoy, Nathan R" uniqKey="Lovejoy N" first="Nathan R." last="Lovejoy">Nathan R. Lovejoy</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Biological Sciences, University of Toronto Scarborough, 1265 Military Trail</s1><s2>Toronto, Ontario, M1C 1A4</s2><s3>CAN</s3><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Toronto, Ontario, M1C 1A4</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">The Journal of parasitology</title><title level="j" type="abbreviated">J. parasitol.</title><idno type="ISSN">0022-3395</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">The Journal of parasitology</title><title level="j" type="abbreviated">J. parasitol.</title><idno type="ISSN">0022-3395</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Freshwater environment</term><term>Parasite</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Parasite</term><term>Milieu eau douce</term><term>Myoxocephalus thompsoni</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Deepwater sculpin (Myoxocephalus thompsonii) were collected from 19 lakes across the species' distribution in Canada and examined for parasites. Six helminth species (Crepidostomum farionis, Bothriocephalus cuspidatus, Proteocephalus sp., Cyathocephalus truncatus, Raphidascaris acus, and Echinorhynchus salmonis), 1 crustacean species (Ergasilus nerkae), and 1 molluscan species (glochidia) parasitized these hosts. Crepidostomum jarionis, Proteocephalus sp., R. acus, E. nerkae, and the glochidia represent new parasite records for this host species. Overall parasite prevalence was 78.0% while mean intensity was 6.1 ± 7.1 SD. Bothriocephalus cuspidatus was the most prevalent parasite and was recorded from 62.2% of the deepwater sculpin and found in 17 of the 19 lakes. The low-productivity habitat of this host limits the parasites available for transmission, and the infra- and component communities were generally species poor. With the exception of the Proteocephalus sp., all of the helminth parasites recovered have been reported as adults in lake trout (Salvelinus namaycush) or burbot (Lota lota), suggesting that, in the lakes where they occur, deepwater sculpin may play an important role in energetic transfer and parasitic transmission to higher trophic levels.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Carney, Joseph P" sort="Carney, Joseph P" uniqKey="Carney J" first="Joseph P." last="Carney">Joseph P. Carney</name></noRegion><name sortKey="Lovejoy, Nathan R" sort="Lovejoy, Nathan R" uniqKey="Lovejoy N" first="Nathan R." last="Lovejoy">Nathan R. Lovejoy</name><name sortKey="Sheldon, Tom A" sort="Sheldon, Tom A" uniqKey="Sheldon T" first="Tom A." last="Sheldon">Tom A. Sheldon</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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