| polycyclic aromatic hydrocarbons in caribou, moose, and wolf scat samples from three areas of the alberta oil sands. | impacts of toxic substances from oil production in the alberta oil sands (aos), such as polycyclic aromatic hydrocarbons (pahs), have been widely debated. studies have been largely restricted to exposures from surface mining in aquatic species. we measured pahs in woodland caribou (rangifer tarandus caribou), moose (alces americanus), and grey wolf (canis lupus) across three areas that varied in magnitude of in situ oil production. our results suggest a distinction of pah level and source profil ... | 2015 | 26284348 |
| serum biochemistry, serology, and parasitology of boreal caribou (rangifer tarandus caribou) in the northwest territories, canada. | boreal caribou (rangifer tarandus caribou) are an ecologically and culturally important wildlife species and now range almost exclusively in the boreal forests of canada, including the northwest territories, northern alberta, and british columbia. boreal caribou are threatened throughout their canadian range because of direct and indirect natural and anthropogenic factors. in the northwest territories, however, they have a continuous range that overall has not yet been subjected to the same degr ... | 2010 | 20966261 |
| herpesvirus infection in woodland caribou in alberta, canada. | sera and genital swabs collected from 121 adult woodland caribou (rangifer tarandus caribou) in five subpopulations in northern alberta, canada, between december 1997 and october 1999, were examined for evidence of infection with herpesviruses or pestiviruses. no virus was isolated from sera or swabs, and no antibodies against bovine viral diarrhea virus were detected. however, 63 (52%) of the 121 animals had neutralizing antibody titers against bovine herpesvirus 1. there was sufficient serum f ... | 2005 | 16456173 |
| geographic distribution of the muscle-dwelling nematode parelaphostrongylus odocoilei in north america, using molecular identification of first-stage larvae. | molecular identification of dorsal-spined larvae (dsl) from fecal samples indicates that the protostrongylid parasite parelaphostrongylus odocoilei occupies a broader geographic range in western north america than has been previously reported. we analyzed 2,124 fecal samples at 29 locations from thinhorn sheep (ovis dalli dalli and o. d. stonei), bighorn sheep (ovis canadensis canadensis and o. c. californiana), mountain goats (oreamnos americanus), woodland caribou (rangifer tarandus caribou), ... | 2005 | 16108550 |
| trypanosomiasis in woodland caribou of northern alberta. | blood was collected from 49 adult woodland caribou (rangifer tarandus caribou) captured in northern alberta, canada, from october to february, 1991 to 1992 and 1992 to 1993. smears of the buffy coat layer and of whole blood were examined microscopically for trypanosoma sp., and blood was cultured for latent parasites. trypanosomes were present in 41 (84%) of 49 cultures 9 days or older, but none was detected in fresh blood. trypanosomes were pleomorphic, consisting of small oval amastigotes, 2 t ... | 1997 | 9131558 |
| parelaphostrongylus odocoilei (nematoda: protostrongylidae) and a protostrongylid nematode in woodland caribou (rangifer tarandus caribou) of alberta, canada. | two size-groups of dorsal-spined, first-stage, nematode larvae were found in feces of woodland caribou, rangifer tarandus caribou (gmelin), in alberta from 1976-1982. larvae from caribou feces in northeastern alberta were 451 +/- 17 micrograms in length, while those from west-central alberta were 362 +/- 18 micrograms in length. larvae collected from west-central alberta developed to the infective stage, experimentally, in the terrestrial gastropod triodopsis multilineata (say) and were infectiv ... | 1986 | 2869151 |
| rates of disturbance vary by data resolution: implications for conservation schedules using the alberta boreal forest as a case study. | investigations of biophysical changes on earth caused by anthropogenic disturbance provide governments with tools to generate sustainable development policy. canada currently experiences one of the fastest rates of boreal forest disturbance in the world. plans to conserve the 330 000 km(2) boreal forest in the province of alberta exist but conservation targets and schedules must be aligned with rates of forest disturbance. we explore how disturbance rate, and the accuracy with which we detect it ... | 2013 | 23703708 |