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Across 60 000 km<jats:sup>2<\/jats:sup>, wolf feces were collected from 34 packs in 2005\u20132008. At a smaller spatial scale (3300 km<jats:sup>2<\/jats:sup>), 8 packs were sampled in spring and autumn. Parasite eggs, larvae, and cysts were identified using standard flotation techniques and morphology. A subset of samples was analysed by PCR and sequencing to identify tapeworm eggs (<jats:italic>n<\/jats:italic>=9) and<jats:italic>Giardia<\/jats:italic>cysts (<jats:italic>n=<\/jats:italic>14). We detected \u2a7e14 parasite taxa in 1558 fecal samples.<jats:italic>Sarcocystis<\/jats:italic>sporocysts occurred most frequently in feces (43\u00b77%), followed by taeniid eggs (23\u00b79%),<jats:italic>Diphyllobothrium<\/jats:italic>eggs (9\u00b71%),<jats:italic>Giardia<\/jats:italic>cysts (6\u00b78%),<jats:italic>Toxocara canis<\/jats:italic>eggs (2\u00b71%), and<jats:italic>Cryptosporidium<\/jats:italic>oocysts (1\u00b77%). Other parasites occurred in \u2a7d1% of feces. Genetic analyses revealed<jats:italic>Echinococcus canadensis<\/jats:italic>strains G8 and G10,<jats:italic>Taenia ovis krabbei, Diphyllobothrium nehonkaiense,<\/jats:italic>and<jats:italic>Giardia duodenalis<\/jats:italic>assemblages A and B. Parasite prevalence differed between seasons and island\/mainland sites. Patterns in parasite prevalence reflect seasonal and spatial resource use by wolves and wolf-salmon associations. These data provide a unique, extensive and solid baseline for monitoring parasite community structure in relation to environmental change.<\/jats:p>","DOI":"10.1017\/s0031182011002319","type":"journal-article","created":{"date-parts":[[2012,2,6]],"date-time":"2012-02-06T15:22:49Z","timestamp":1328541769000},"page":"781-790","source":"Crossref","is-referenced-by-count":49,"title":["Seasonal and biogeographical patterns of gastrointestinal parasites in large carnivores: wolves in a coastal archipelago"],"prefix":"10.1017","volume":"139","author":[{"given":"HEATHER M.","family":"BRYAN","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"CHRIS T.","family":"DARIMONT","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JANET E.","family":"HILL","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"PAUL C.","family":"PAQUET","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. 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