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M.Sc. Theses

Olsen, S. 2006. Role of Prey Biomass in Determining Gray Whale Distribution in Clayoquot Sound

Short, C. 2005. A Multiple Trophic Level Approach to Assess Ecological Connectivity and Boundary Function in Marine Protected Areas: A British Columbia Example.

Patterson, H.M. 2004. Small-scale distributions and dynamics of the mysid prey of grey whales (Eschrichtius robustus) in Clayoquot Sound, British Columbia, Canada.

Szabo, A. 2004. Maternal behaviour of humpback whales in southeast Alaska.

Meier, S.K. 2003. A multi-scale analysis of habitat-use by gray whales (Escrichtius robustus) in Clayoquot Sound, British Columbia, 1997 - 99.

Dunham, J. S. 1999. Gray whale prey and whale distributions in Clayoquot Sound, British Columbia, Canada (1996-97).

Malcolm, C. D. 1997. Micro-scale spatial behaviour of a foraging gray whale (Eschrichtius robustus) in Clayoquot Sound, British Columbia, Canada.

Stacey, P.J. 1996. Natural history and conservation of Irrawaddy dolphins, Orcaella brevirostris: with special reference to the Mekong River, Lao P.D.R.

Garner, S. 1993. An exploratory investigation of gray whale (Eschrichtius robustus) spatial foraging strategy and the effect of vessel traffic.

M.A. Theses

Wilson, J.M. 2001. Sustainable management of ecotourism: Whale watching in Tofino, British Columbia: A case study.

George, E.M. 1999. Living on the edge: Nuu-Chah-Nulth history from an Ahousaht Chief's perspective.

Sheehan, L.M. 1997. Human values and the display of Killer whales (Orcinus orca) at Aquaria.

Ph.D. Theses

Malcolm, C.D. 2004. The current state and future prospects of whale-watching management, with special emphasis on whale-watching in British Columbia.

Hines, E. 2002. Conservation of the Dugong (Dugong Dugon) along the Andaman Coast of Thailand: An example of the integration of Conservation Biology in Endangered Species Research.

Bass, J. 2000. Variations in gray whale feeding behaviour in the presence of whale-watching vessels in Clayoqout Sound, 1993-1995.

Refereed Publications

 

Olsen, S. and D.A. Duffus. Threshold foraging in gray whales (Eschrichtius robustus). In Prep.

Karagatzides, J.D., Jelinski, D.E. Kyser, T.K., Buttle, J.M. and D.A. Duffus. Nitrogen Dynamics in a Temperate Old-Growth Rainforest: An Experimental Test of the Nutrient Retention Hypothesis with 15N. In Prep.

Karagatzides, J.D., Jelinski, D.E. Kyser, T.K., Buttle, J.M. and D.A. Duffus. A test of the nutrient retention hypothesis with phosphate in a temperate old-growth rainforest. Submitted to Biogeochemistry

Short, C.J. and D. A. Duffus. Forthcoming 2007. Can Marine Protected Areas be an Effective Tool in Sustaining Local Cetacean populations? An example from Coastal British Columbia. In D. Walsh and C. Malcolm Eds.

Nelson, T., Duffus, D. A. , Robertson, C. and L J. Feyrer. Submitted 2007. Spatial-temporal patterns in the intra-annual foraging activity of gray whales. Submitted to the Journal of Biogeography

Nelson, T., Robertson, C. Duffus, D.A. and L.J. Feyrer In Review 2006. The space-time string: a spatial-temporal exploration of the foraging range of gray whales. International Journal of Geographical Science

Hines, E.H. and Duffus, D.A. 2005. Dugong (Dugong dugon) Abundance along the Andaman Coast of Thailand. Marine Mammal Science 21(3):535-549

Hines, E.H. Duffus, D.A. and P. Dearden. 2005 Community Perspectives and Conservation Needs for Dugongs (Dugong dugon) Along the Andaman Coast of Thailand. Environmental Management 36(5):654-664

Jelinski, D.E., Krueger, C and D.A. Duffus 2002. Geostatistical analysis of interactions between killer whales (Orcinus orca) and recreational whale-watching boats. Applied Geography 22:393-411.

Hines, E. K., KA and David Duffus. 2005. Community perspectives and conservation needs for dugongs (Dugong dugon) along the Andaman coast of Thailand. Accepted Environmental Management.

Hines, E.H., KA and David Duffus. 2005. Dugong (Dugong dugon) abundance in Trang province along the Andaman Coast of Thailand. Accepted Marine Mammal Science.

Baird, R.W., P. Stacy, K. Langerlier, and David Duffus. 2003. An evaluation of gray whale (Eschrichtius robustus) mortality incidental to fishing operations in British Columbia. Journal of Cetacean Research and Management 4(3):289-296.

Jelinski, D.E., C. Krueger, and David Duffus. 2003. Geostatistical analysis of interactions between killer whales (Orcinus orca) and recreational whale-watching boats. Applied Geography 22:393-411.

Dunham, J.S. and D.A. Duffus. 2002. Diet of gray whales (Eschrichtius robustus) in Clayoquot Sound, British Columbia, Canada. Marine Mammal Science 18(2): 419-427.

Baird, R.W., Stacey, P.J., Duffus, D.A. and K.M. Langelier. 2002. An evaluation of gray whale (Eschrichtius robustus) mortality incidental to fishing operations in British Columbia, Canada. Journal of Cetacean Research and Management 4(3): 289-296.

Dunham, J.S. and D.A. Duffus. 2001. Foraging patterns of gray whales in central Clayoquot Sound, British Columbia, Canada. Marine Ecology Progress Series 223: 299-310.

Malcolm, C.D. and D.A. Duffus. 2000. Comparison of subjective and statistical methods of dive classification using data from a time-depth recorder attached to a gray whale (Eschrichtius robustus). Journal of Cetacean Research and Management 2(3): 177-182.

Duffus, D.A. 1996. The recreational use of grey whales in southern Clayoquot Sound, Canada. Applied Geography 16(3): 179-190.

Malcolm, C.D., Duffus, D.A. and S.G. Wischniowski. 1995/96. Small scale behaviour of large scale subjects: Diving behaviour of a gray whale (Eschrichtius robustus). Western Geography 5/6: 35-44.

Duffus, D.A. and R.W. Baird. 1995. Killer whales, whalewatching and management: A status report. Whalewatcher Fall/Winter: 14-17.

Duffus, D.A. and P. Dearden. 1993. Recreational use, valuation, and management, of killer whales (Orcinus orca) on Canada's Pacific coast. Environmental Conservation 20(2): 149-156.

Duffus, D.A. 1993. Tsitika to Baram: The myth of sustainability. Conservation Biology 7(2): 440-442.

Duffus, D.A. and P. Dearden. 1992. Whales, science, and protected area management in British Columbia, Canada. The George Wright Forum 9(3-4): 79-87.

Duffus, D.A. and K.J. Wipond. 1992. A review of the institutionalization of wildlife viewing in British Columbia, Canada. Northwest Environmental Journal 8(2): 325-345.

Duffus, D.A. and P. Dearden. 1990. Non-consumptive wildlife-oriented recreation: A conceptual framework. Biological Conservation 53: 213-231.

Conference Papers

Duffus, D. A. and P. Dearden. People in the Oceanic Wilderness. Invited poster at the Congress of Delegates and Oceanic Wilderness sessions of the 4th World Wilderness Congress, Denver, Co., August 14-19, 1987.

Duffus, D.A. and P. Dearden. A Conceptual Framework for the Examination of Changing Requirements in Whale Management. Western Division of the Canadian Assoc. of Geographers Ann. Meeting, March 1987.

Duffus, D.A. , Dearden, P. and C.P. Keller. Changing Regions of Man-Whale Interactions-A Macro, Meso, and Micro Perspective. Western Regional Science Association Annual Meeting, Kona, Hawaii, February 1987.

Duffus, D.A. and P. Dearden. Whale-watching in British Columbia: Human Dimensions and Theoretical Links. 1989 Annual Meeting, Canadian Association of Geographers, Chicoutimi, Quebec.

Duffus, D.A. and P. Dearden. A Model for Management of Recreational Use of Killer Whales (Orcinus orca). Third International Orca Symposium, March 1990, Victoria.

Duffus, D.A. and P. Dearden. A Conceptual Framework for Analysis and Management of Wildlife Oriented Recreation in the Coastal Zone. Association of American Geographers Annual Meeting, April 1990, Toronto.

Duffus, D.A. and P. Dearden. Managing Ocean Wildlife: A Case Study of Recreational Use and Management of Killer Whales (Orcinus orca) on Canada's Pacific Coast. IGU commission on Marine Geography Conference, May 22-25, 1991, Huelva, Spain.

Dearden, P. and D.A Duffus. Killer Whales, Science, and Protected Area Management in British Columbia, Canada. World Congress of Protected Areas, Caracas, Venezuela, February, 1992.

Duffus, D.A. and P. Dearden. Geographical Analysis of Gray Whale Feeding Behaviour, Southern Clayoquot Sound, B.C. Canadian Assoc. of Geographers' Ann. Meeting, U.B.C., May 1992.

Ang, M. and D.A. Duffus. A Preliminary Analysis of the Use and Management of Freshwater Fisheries Resources of the Baram River, Sarawak, Malaysia. Northwest Consortium of Southeast Asia Scholars, 5th Annual Conference, Vancouver, B.C., 1992.

Duffus, D.A. and P. Dearden. Analysis of Spatial Pattern of Non-consumptive Interaction with Killer Whales. Association of American Geographers Annual Meeting, Atlanta, Georgia, March 1993.

Duffus, D.A. and P. Dearden. Some Observations on Teaching Nature Conservation in a Geography Curriculum. Canadian Association of Geographers Annual Meeting, Ottawa, May 31 - June 3, 1993.

Duffus, D.A. and P. Dearden. A Review of the Development and Current Status of Marine Mammal Management in Canada. Invited to the symposium session "Marine Law," Tenth Biennial Conference on the Biology of Marine mammals, Galveston, Texas, November 11-15, 1993.

Dearden, P. and D.A. Duffus. Whale-watching on the Pacific Coast, Perception and Reality. Environment, Perception and Reality in Canada, Grainau, Germany, Feb. 7-19, 1995.

Duffus, D.A. A conceptual approach to Conservation Planning in situations of uncertainty.11th Biennial Conf. on the Biology of Marine Mammals, Orlando, Fl., Dec, 1996.

Duffus, D.A. A Comparative Study of Cetacean Conservation: Common Issues from Two Case Studies. 11th Annual Meeting, Society For Conservation Biology, Jun 6-9/97 Victoria, BC.

Duffus, D.A. and P. Dearden. Ecology and Recreational Use of Gray Whales in Clayoquot Sound, Vancouver Island, Canada, 1991-97. World Marine Mammal Science Conference, Monaco, Jan. 1998.

Dunham, J.S. and D.A. Duffus. Threshold Levels of three prey types determined for feeding gray whales in Clayquot Sound, British Columbia. 13th Biennial Conference on the Biology of Marine Mammals, Wailea, Maui, Nov. 1999.

Bass, J. and D.A. Duffus. Behaviour of foraging gray whales in the presence of whale-watching vessels.13th Biennial Conference on the Biology of Marine Mammals, Wailea, Maui, Nov. 1999.

Tombach, C. and D.A. Duffus. Gray whale (Eschricthius robustus) site fidelity in Clayoquot Sound; A multi-scale approach to spatial behaviour. Biennial Conf. on the Biol. of Marine Mammals, Wailea, Maui, Nov. 1999 (co-author).

Hines, E.H., Duffus D.A. and J. Bass. A power analysis of the possible effects of whale-watching vessels on changes in dive behaviour in gray whales in Clayquot Sound, British Columbia.13th Biennial Conference on the Biology of Marine Mammals, Wailea, Maui, Nov. 1999.

Duffus, D.A. Ecology and management of recovering populations: Gray whales (Eschrichtius robustus) on Canada’s Pacific coast. Society for Conservation Biology Annual Meeting, June 9-12, 2000, Missoula, Montana

Meier, S. K. and D.A. Duffus. A multi-scale spatial analysis of gray whale habitat use and site selection in Clayoquot Sound, Canada. Second Workshop on GIS/Remote Sensing for Marine Mammal Science, November 28, 2001, Vancouver.

Hines, E.H. and D.A. Duffus. Gray whale prey selection and prey dynamics in Clayoquot Sound, British Columbia, 1993-1997. 14th Biennial Conference on the Biology of Marine Mammals, Nov. 28-Dec. 3, 2001, Vancouver BC.

Hines, E.H. Duffus, D.A. and P. Dearden. Dugong (Dugong dugon) abundance in Trang Province along the Andaman Coast of Thailand. 14th Biennial Conference on the Biology of Marine Mammals, Nov. 28-Dec. 3, 2001, Vancouver BC.

Meier, S. K. and D.A. Duffus. Gray whale (Eschrichtius robustus) habitat selection in Clayoquot Sound, BC Canada: A multiscale approach to assessing habitat use. 14th Biennial Conference on the Biology of Marine Mammals, Nov. 28-Dec. 3, 2001, Vancouver BC.

Patterson, H. M. and D.A. Duffus. Dynamics of mysid prey of gray whales (Eschrichtius robustus) in Clayoquot Sound. 14th Biennial Conference on the Biology of Marine Mammals, Nov. 28-Dec. 3, 2001, Vancouver BC.

Tombach, C. and D.A. Duffus. Gray whale ( Eschrichtius robustus) site fidelity in Clayoquot Sound; A multi-scale approach to spatial behaviour. 14th Biennial Conference on the Biology of Marine Mammals, Nov. 28-Dec. 3, 2001, Vancouver BC.

Malcolm, C.D., Duffus, D.A. and R. Rollins. The case for site specific education strategies in ecotourism management: Whale-watching in Vancouver Island waters. 10th Canadian Congress on Leisure, May 22-24, 2002, Edmonton, Alberta.

Hines, E.H. , Duffus, D.A. and P. Dearden. Dugongs in Trang Province, Thailand. Recommendations for conservation strategy. Fifth International Conference of Science and the Management of Protected Areas. Univ. of Victoria, May11-16, 2003.

Duffus, D.A. Peculiar Parables of the Planktivorous: The Tale of the Tail. Western Div. Canadian Assoc. of Geographers Annual Meeting, Lethbridge Alta., March 11-14 2005.

York, L.D. and D.A. Duffus. Using LANDSAT imagery to measure interannual variability in coastal kelp stands. Western Div. Canadian Assoc. of Geographers Annual Meeting, Lethbridge Alta., March 11-14 2005.

Patterson, A. L. G. and D.A. Duffus. Benthic ecology and gray whale response in Clayoquot Sound. Western Div. Canadian Assoc. of Geographers Annual Meeting, Lethbridge Alta., March 11-14 2005.

Feyrer, L. J. and D.A. Duffus. Spatial and temporal variability in the foraging behaviour of gray whales (Eschrichitus robustus) in Clayoqout Sound 1997-2004. Western Div. Canadian Assoc. of Geographers Annual Meeting, Lethbridge Alta., March 11-14 2005.

Duffus, D.A. Unravelling the multi-scale melange of gray whale ecology on the summer foraging areas of the west coast of Vancouver Island. 16th Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA.

Olsen, S. S. and D.A. Duffus. Patch foraging dynamics and prey response in a gray whales summer foraging areas on the west coast of Vancouver Island. 16th Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA.

Short, C. J. and D. A. Duffus. Gray whales and marine protected areas: A multi-trophic level approach to assessing functional ecological association. 16th Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA.

Feyrer, L. J. and D.A. Duffus. Spatial variability and analysis of the foraging behaviour of gray whales (Eschrichitus robustus) in Clayoqout Sound 1997-2005. 16th Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA.

Patterson, H. M. and D.A. Duffus. The fine scale biogeography and dynamics of mysid prey populations in a gray whale foraging area. 16th Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA.

Patterson, A.L.G. and D.A. Duffus. Gray whale foraging and benthic ecology of Clayoquot Sound, BC. Biennial Conference on the Biology of Marine Mammals, Dec. 12-17, 2005, San Diego, CA. (Co-author)