The effects of pipelines, roads, and traffic on the movements of Caribou, Rangifer tarandus

  • Published source details Curatolo J.A. & Murphy S.M. (1986) The effects of pipelines, roads, and traffic on the movements of Caribou, Rangifer tarandus. The Canadian Field-Naturalist, 100, 218-224.


This study is summarised as evidence for the following.

Action Category

Install crossings over/under pipelines

Action Link
Terrestrial Mammal Conservation
  1. Install crossings over/under pipelines

    A study in 1981–1983 of three sites along a pipeline across tundra in Alaska, USA (Curatolo & Murphy 1986) found that buried pipeline sections were used more frequently than their availability as crossing points by caribou Rangifer tarandus. Buried pipeline sections accounted for 10 of 180 crossings (6%) at one site, 5 of 41 crossings (12%) at a second site and 65 of 732 crossings (9%) at a third site. These proportions were all higher than the proportion of pipeline that was buried at these sites (2%). Ramps (20–50 m wide) were installed across buried pipeline sections at three study sites. Sites covered 180–275 ha, each including 1.7–2.2 km of pipeline. Sections not buried were elevated 1.2–4.3 m above the ground. A crossing comprised one or more caribou crossing the pipeline, with >50% of group members successfully crossing. Crossings were documented by direct observations in late June to early August of 1981–1983.

    (Summarised by: Nick Littlewood)

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