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8 results for “Gulo gulo”
Data from: Comparing microsatellites and single nucleotide polymorphisms to evaluate genetic structure and diversity in wolverines (Gulo gulo) across Alaska and western Canada
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Subspecies and Distribution. G. g. gulo Linnaeus, 1758 — NE & NW China, Mongolia, Russia, and Scandinavia. G. g. luscus Linnaeus, 1758 — Canada and W USA (Alaska, California, Idaho, Oregon, Montana, Washington & Wyoming). in Mustelidae
Subspecies and Distribution. G. g. gulo Linnaeus, 1758 — NE & NW China, Mongolia, Russia, and Scandinavia. G. g. luscus Linnaeus, 1758 — Canada and W USA (Alaska, California, Idaho, Oregon, Montana, Washington & Wyoming).
Data from: Lack of spatial immunogenetic structure among wolverine (Gulo gulo) populations suggestive of broad scale balancing selection
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Data from: Roads elicit negative movement and habitat-selection responses by wolverines (Gulo gulo luscus)
Wildlife behavior when crossing roads is likely to mirror natural responses to predation risk including not responding, pausing, avoiding, or increasing speed during crossing. We generated coarse-scale behavioral predictions based on these expectations that could be assessed with GPS radiotelemetry. We evaluated our predictions using an integrated step-selection analysis of wolverine (Gulo gulo luscus) space use in relation to spatially and temporally dynamic vehicle traffic on industrial roads in northern Alberta. We compared support for alternative models of road avoidance, increased speed near roads, and road avoidance and increased speed near roads. We predicted that wolverines would avoid roads and increase their speed near roads and that these behaviors would increase with traffic volume. We found that vehicle traffic was relatively low (0 – 30 vehicles/12 hours) but important for explaining wolverine space use. Top winter and summer models indicated that wolverines avoided and increased speed near roads. Wolverine movement but not avoidance increased with traffic volume. We suggest that movement is a fine-scaled response that is more responsive to vehicle traffic than habitat selection. We show that roads, regardless of traffic volume, reduce the quality of wolverine habitats and act as barriers to movement and that higher-traffic roads might be most deleterious. We suggest that wildlife behavior near roads should be viewed as a continuum and that accurate modeling of behavior when near roads requires quantification of both movement and habitat selection. Mitigating the effects of roads on wolverines would require clustering roads, road closures, or access management.
Fig. 2 in Trichinella pseudospiralis in a wolverine (Gulo gulo) from the Canadian North
Fig. 2. Neighbor-joining gene trees showing the relationship of the Trichinella pseudospiralis isolate reported here with previously described isolates. Sequence from (a.) the cytochrome oxidase 1 mitochondrial gene (COI) and (b.) the D3 domain of nuclear ribosomal DNA (D3 rDNA) placed the newly discovered isolate within a strongly supported clade containing isolates from Russia, Argentina, and Canada. This clade clearly delineated these isolates as belonging to T. pseudospiralis, but were notably distinct from conspecific isolates from Alabama and Texas in the continental United States. Tree topology was conserved between neighbor-joining, maximum likelihood, and Bayesian analyses with strong support for all interspecific nodes.
Fig. 1 in Trichinella pseudospiralis in a wolverine (Gulo gulo) from the Canadian North
Fig. 1. Photomicrograph of Trichinella pseudospiralis larva in compressed tongue muscle of a wolverine (Gulo gulo).
Fig. 3 in Trichinella pseudospiralis in a wolverine (Gulo gulo) from the Canadian North
Fig. 3. Geographic locations of this and previously published reports of Trichinella pseudospiralis confirmed by multiplex PCR in North America (Lindsay et al., 1995., Gamble et al., 2005; Gajadhar and Forbes, 2010; Reichard et al., 2015, 2017).
Data from: Roads elicit negative movement and habitat-selection responses by wolverines (Gulo gulo luscus)
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