Near-shore distribution of Heaviside’s (Cephalorhynchus heavisidii) and dusky dolphins (Lagenorhynchus obscurus) at the southern limit of their range in South Africa

References

• BEARZI, M. 2005. Dolphin sympatric ecology. Marine Biology Research 1: 165–175.
   Google Scholar
• BEGON, M., TOWNSEND, C.R. & HARPER, J.L. 2005. Ecology: from Individuals to Ecosystems. Blackwell Publishing, Malden, MA.
   Google Scholar
• BENOIT-BIRD, K.J. & AU, W.L. 2003. Prey dynamics affect foraging by a pelagic predator (Stenella longirostris) over a range of spatial and temporal scales. Behavioural Ecology and Sociobiology 53: 364–373.
   Google Scholar
• BENOIT-BIRD, K.J., WÜRSIG, B. & McFADDEN, C.J. 2004. Dusky dolphin (Lagenorhynchus obscurus) foraging in two different habitats: active acoustic detection of dolphins and their prey. Marine Mammal Science 20(2): 215–231.
   Google Scholar
• BEST, P.B. 2007. Whales and Dolphins of the Southern African Subregion. Cambridge University Press, Cape Town, South Africa.
   Google Scholar
• BREMNER, J.M. 1991. Logarithmic spiral beaches with emphasis on Algoa Bay. In: Algoa Bay – Marine Geoscientific Investigations, (eds) J.M. Bremner, A. Du Plessis, J.G.K. Glass & R.W. Day. Bulletin of the Geological Survey of South Africa 100: 147–164.
   Google Scholar
• CHESSON, P. 1985. Coexistence of competitors in spatially and temporally varying environments: a look at the combined effects of different forms of variability. Theoretical Population Biology 123: 263–287.
   Google Scholar
• CIPRIANO, F. 1992. Behavior and occurrence patterns, feeding ecology, and life history of dusky dolphins (Lagenorhynchus obscurus) off Kaikoura, New Zealand. Ph.D. dissertation, University of Arizona, Tucson.
   Google Scholar
• CREEL, S. & CREEL, N.M. 1996. Limitation of African wild dogs by competition with larger carnivores. Conservation Biology 10(2): 526–538.
   Google Scholar
• DAVIS, R.W., FARGION, G.S., MAY, N., LEMING, T.D., BAUMGARTNER, M., EVANS, W.E., HANSEN, L.J. & MULLIN, K. 1998. Physical habitat of cetaceans along the continental slope in the north-central and western Gulf of Mexico. Marine Mammal Science 14(3): 490–507.
   Google Scholar
• DEFRAN, R.H., WELLER, D.W., KELLY, D.L. & ESPINOSA, M.A. 1999. Range characteristics of Pacific coast bottlenose dolphins (Tursiops truncatus) in the Southern California Bight. Marine Mammal Science 15: 381–393.
   Google Scholar
• DURANT, S.M. 1998. Competition refuges and coexistence: an example from Serengeti carnivores. Journal of Animal Ecology 67: 370–386
   Google Scholar
• ELWEN, S.H. & BEST, P.B. 2003. Environmental factors influencing the distribution of southern right whales (Eubalaena australis) on the south coast of South Africa I: Broad scale patterns. Marine Mammal Science 20(3): 567–582.
   Google Scholar
• ELWEN, S.H., MEŸER, M.A, BEST, P.B, KOTZE, P.G.H, THORNTON, M. & SWANSON, S. 2006. Range and movements of female Heaviside’s dolphins Cephalorhynchus heavisidii as determined by satellite telemetry. Journal of Mammalogy 87(5): 866–877.
   Google Scholar
• ELWEN, S., BEST, P., REEB, D. & THORNTON, M. 2009. Near-shore diurnal movements and behaviour of Heaviside’s dolphins (Cephalorhynchus heavisidii), with some comparative data for dusky dolphins (Lagenorhynchus obscurus). South African Journal of Wildlife Research 39(2):100–102
   Google Scholar
• FINDLAY, K.P., BEST, P.B., ROSS, G.J.B. & COCKROFT, V.G. 1992. The distribution of small odontocetes cetaceans off the coasts of South Africa and Namibia. In: Benguela Trophic Functioning, (eds) A.I.L Payne, K.H Brink, K.H. Mann & R. Hillborn. South African Journal of Marine Science 12: 237–270.
   Google Scholar
• GOODALL, R.N.P., WÜRSIG, B., WÜRSIG, M., HARRIS, G & NORRIS, K.S. 1995. Sightings of Burmeisters porpoise, Phocoena spinipinnus, off southern South America. In: Biology of the Phoecenids, (eds) A. Borge & G.P. Donovan. Reports of the International Whaling Commission, Special Issue 16: 297–316. Cambridge.
   Google Scholar
• GUBBINS, C. 2002. Use of home ranges by resident bottlenose dolphins (Tursiops truncatus) in a South Carolina Estuary. Journal of Mammalogy 83(1): 178–187.
   Google Scholar
• HASTIE, G.D., SWIFT, R.J., SLESSER, G., THOMPSON, P.M. & TURRELL, W.R. 2005. Environmental models for predicting oceanic dolphin habitat in the Northeast Atlantic. ICES Journal of Marine Science 62: 760–770.
   Google Scholar
• HEINRICH, S. 2006. Ecology of Chilean dolphins and Peale’s dolphins at Isla Chiloé, southern Chile. Ph.D. dissertation, University of St Andrews, Scotland.
   Google Scholar
• HEITHAUS, M.R. & DILL, L.M. 2006. Does tiger shark predation risk influence foraging habitat use by bottlenose dolphins at multiple spatial scales? Oikos 114: 257–264.
   Google Scholar
• JACKSON, L.F. & LIPSCHITZ, S. 1984. Coastal Sensitivity Atlas of Southern Africa 1984. Department of Transport, Pretoria.
   Google Scholar
• JANSEN VAN VUUREN, B., BEST P.B. & ROBINSON, T.J. 2002. Phylogeographic population structure of Heaviside’s dolphin (Cephalorhynchus heavisidii): conservation implications. Animal Conservation 5: 303–307.
   Google Scholar
• JOHNSTON, D.W., WESTGATE, A.J. & READ, A.J. 2005. Effects of fine-scale oceanographic features on the distribution and movements of harbour porpoises Phocoena phocoena in the Bay of Fundy. Marine Ecology Progress Series 295: 279–293.
   Google Scholar
• LAMMERS, M.O. 2004. Occurrence and behavior of Hawaiian spinner dolphins (Stenella longirostris) along Oahu’s leeward and south shores. Aquatic Mammals 30(2): 237–250.
   Google Scholar
• LINNEL, J.D.C. & STRAND, O. 2000. Interference interactions, co-existence and conservation of mammalian carnivores. Biodiversity Research – Diversity and Distributions 6: 169–176.
   Google Scholar
• MARKOWITZ, T.M. 2004. Social organization of the New Zealand dusky dolphin. Ph.D. dissertation, Texas A&M University, Texas, U.S.A.
   Google Scholar
• PARRA, G.J., CORKERON, P.J. & MARSH, H. 2005. Population sizes, site fidelity and residence patterns of Australian snubfin and Indo-Pacific humpback dolphins: implications for conservation. Biological Conservation 129: 167–180.
   Google Scholar
• PARRA, G.J. 2006. Resource partitioning in sympatric delphinids: space use and habitat preferences of Australian snubfin and Indo-Pacific humpback dolphins. Journal of Animal Ecology 75: 862–874
   Google Scholar
• PAYNE, A.I.L. 1989. The Cape hakes. In: The Oceans of Life off Southern Africa, (eds) A.I.L. Payne & R.J.M. Crawford. Vlaeberg Publishers, Halfway House, South Africa.
   Google Scholar
• PICHLER, F.B., DAWSON, S.M., SLOOTEN, E. & BAKER, C.S. 1998. Geographic isolation of Hector’s dolphin populations described by mitochondrial DNA sequences. Conservation Biology 12(3): 676–682.
   Google Scholar
• PITCHER, G.C., BROWN, P.C. & MITCHELL-INNES, B.A. 1992. Spatio-temporal variability of phytoplankton in the southern Benguela upwelling system. In: Benguela Trophic Functioning, (eds) A.I.L Payne, K.H Brink, K.H. Mann & R. Hillborn. South African Journal of Marine Science 12: 439–456.
   Google Scholar
• SEKIGUCHI, K., KLAGES, N.T.W. & BEST, P.B. 1992. Comparative analysis of the diets of smaller odontocete cetaceans along the coast of Southern Africa. In: Benguela Trophic Functioning, (eds) A.I.L Payne, K.H Brink, K.H. Mann & R. Hillborn. South African Journal of Marine Science 12: 843–861.
   Google Scholar
• SEKIGUCHI, K. 1994. Studies on feeding habits and dietary analytical methods for the smaller odontocete species along the southern African coast. Ph.D. thesis, University of Pretoria, Pretoria.
   Google Scholar
• SLOOTEN, E. & LAD, F. 1991. Population biology and conservation of Hector’s dolphins. Canadian Journal of Zoology 69: 1701–1707.
   Google Scholar
• SLOOTEN, E., DAWSON, S.M. & LAD, F. 1992. Survival rates of photographically identified Hector’s dolphins from 1984–1988. Marine Mammal Science 8: 327–343.
   Google Scholar
• SMULTEA, M.A. 1994. Segregation by humpback whale (Megaptera novaeangliae) cows with a calf in coastal habitat near the island of Hawaii. Canadian Journal of Zoology 72: 805–811.
   Google Scholar
• THOMPSON, P.M, WHITE, S. & DICKSON, E. 2004. Co-variation in the probability of sighting harbour porpoises and bottlenose dolphins. Marine Mammal Science 20(2): 322–328.
   Google Scholar
• TYNAN, C.T. 1997 Cetacean distributions and oceano-graphic features near the Kerguelen Plateau. Geophysical Research Letters 24(22): 2793–2796.
   Google Scholar
• WHITEHEAD, H. & MOORE, M.J. 1982. Distribution and movements of West Indian humpback whales in winter. Canadian Journal of Zoology 60: 2203–2211.
   Google Scholar
• WOLANSKI, E. & HAMNER, W.M. 1988. Topographically controlled fronts in the ocean and their biological influence. Science 241: 177–181.
   Google Scholar
• WOODHEAD, P.M.J. 1966. The behaviour of fish in relation to light in the sea. Oceanography and Marine Biology. An Annual Review 4: 337–403.
   Google Scholar
• WÜRSIG, B. & WÜRSIG, M. 1980. Behaviour and ecology of the dusky dolphin, Lagenorhynchus obscurus, in the South Atlantic. Fishery Bulletin 77(4): 871–890.
   Google Scholar