Demography of sympatric arctic and snowshoe hare populations: an experimental assessment of interspecific competition

• Published in: Canadian Journal of Zoology
• Main Authors: Barta, Robert M., Keith, Lloyd B., Fitzgerald, Shannon M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1989
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Arctic; Coast Island; Lepus arcticus; Newfoundland
• Online Access: http://dx.doi.org/10.1139/z89-392; http://www.nrcresearchpress.com/doi/pdf/10.1139/z89-392

Geographic distributions of arctic (Lepus arcticus) and snowshoe hares (Lepus americanus) do not overlap on insular Newfoundland, where snowshoes were introduced, or in continental North America, where both species are indigenous. We conducted a field experiment to explore the role of interspecific...