Marine Mammal Institute

Johnston, D. W., Bowers, M. T., Friedlaender, A., & Lavigne, D. M.. (2012). The Effects of Climate Change on Harp Seals (Pagophilus groenlandicus). PLoS ONE, 7(1), e29158. doi:10.1371/journal.pone.0029158.t003

Johnston, D. W., Friedlaender, A., Read, A. J., & Nowacek, D. P.. (2011). Initial density estimates of humpback whales (Megaptera novaeangliae) in the inshore waters of the western Antarctic Peninsula during late autumn. Endangered Species Research, 18(1), 63-71. doi:10.3354/esr00395

Johnston, D. W., Friedlaender, A., Torres, L. G., & Lavigne, D. M.. (2005). Variation in ice cover on the east coast of Canada, 1969-2002: climate variability and implications for harp and hooded seals. Journal of Climate Research, 29, 209-222.