Risso's dolphins alter daily resting pattern in response to whale watching at the Azores

Marine Mammal Science

Volumn 27, Issue 2, 2011, Pages 366-381

  Visser, Fleur ^a   Hartman, Karin L ^b   Rood, Ente J J ^c   Hendriks, Arthur J E ^b   Zult, Daan B ^d   Wolff, Wim J ^e   Huisman, Jef ^a   Pierce, Graham J ^f,g  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

^b Nova Atlantis Foundation   (Portugal)

^c UNIVERSITY OF AMSTERDAM   (Netherlands)

^d UNIVERSITY OF AMSTERDAM   (Netherlands)

^e UNIVERSITY OF GRONINGEN   (Netherlands)

^f UNIVERSITY OF ABERDEEN   (United Kingdom)

^g Instituto Español de Oceanografía   (Spain)

Author keywords

Azores; Behavioral budget; Grampus griseus; Land observations; Resting behavior; Risso's dolphin; Whale watching

Indexed keywords

BEHAVIORAL RESPONSE; DOLPHIN; FITNESS; MANAGEMENT PRACTICE; OBSERVATIONAL METHOD; REPRODUCTIVE SUCCESS; SEASONAL VARIATION; VESSEL; WHALE;

AZORES; PICO; PORTUGAL;

CETACEA; GRAMPUS GRISEUS;

EID: 79954461919     PISSN: 08240469     EISSN: 17487692     Source Type: Journal    
DOI: 10.1111/j.1748-7692.2010.00398.x     Document Type: Article

References (48)

1. Akaike, H. 1973. Information theory and an extension of the maximum likelihood principle. Pages 267-281 in B. N. Petrov and F. Csaki, eds. Proceedings of the 2nd International Symposium on Information Theory. Akademia Kiado, Budapest, Hungary.
2. Allen, M. C., and A. J. Read 2000. Habitat selection of foraging bottlenose dolphins in relation to boat density near Clearwater, Florida. Marine Mammal Science 16:815-824.
3. Altmann, J. 1974. Observational study of behavior: Sampling methods. Behaviour 49:227-267.
4. Baker, C. S., and L. M. Herman 1989. Behavioral responses of summering humpback whales to vessel traffic: Experimental and opportunistic observations. U.S. Department of the Interior. National Park Service, Technical Report NPS-NR-TRS-89-01. 50 pp.
5. Bejder, L. 2005. Linking short and long-term effects of nature-based tourism on cetaceans. Ph.D. thesis, Dalhousie University, Halifax, Canada 158 pp.
6. Bejder, L., and A. Samuels 2003. Evaluating the effects of nature-based tourism on cetaceans. Pages 229-256 in N. M. Gales, M. Hindell and R. Kirkwood, eds. Marine mammals and Humans: Towards a sustainable balance. CSIRO Publishing, Collingwood, Australia.
7. Bejder, L., A. Samuels, H. Whitehead, N. Gales, J. Mann, R. Connor, M. Heithaus, J. Watson-Capps, C. Flaherty and M. Krützen 2006. Decline in relative abundance of bottlenose dolphins exposed to long-term disturbance. Conservation Biology 20:1791-1798.
8. Carlson, C. 2008. A review of whale watch guidelines and regulations around the world, version 2008. Available at Accessed October 2009.
9. Constantine, R., D. H. Brunton and C. S. Baker 2003. Effects of tourism on behavioral ecology of bottlenose dolphins of northeastern New Zealand. DOC Science Internal Series 153. Department of Conservation, Wellington, New Zealand 26 pp.
10. Dalgaard, P. 2008. Introductory statistics with R. Springer, New York, NY.
11. Danil, K., D. Maldini and K. Marten 2005. Patterns of use of Maku'a Beach, O'ahu, Hawai'i, by spinner dolphins (Stenella longirostris) and potential effects of swimmers on their behavior. Aquatic Mammals 31:403-412.
12. Duffus, D. A., and P. Dearden 1990. Non-consumptive wildlife-oriented recreation: A conceptual framework. Biological Conservation 53:213-231.
13. Erbe, C. 2002. Underwater noise of whale watching boats and potential effects on killer whales (Orcinus orca), based on an acoustic impact model. Marine Mammal Science 18:394-418.
14. Frid, A., and L. M. Dill 2002. Human-caused disturbance stimuli as a form of predation risk. Conservation Ecology 6:11. Available at
15. Gomes Pereira, J. N. D. S. 2008. Daily species checklist from whale watching-studying the research potential with an Azorean case study. Journal of the Marine Biological Association of the United Kingdom 88:1283-1288.
16. Grantner, A., and M. Taborsky 1998. The metabolic rates associated with resting, and with the performance of agonistic, submissive and digging behaviours in the cichlid fish Neolamprologus pulcher (Pisces: Cichlidae). Journal of Comparative Physiology B 168:427-433.
17. Hartman, K. L., F. Visser and A. J. E. Hendriks 2008. Social structure of Risso's dolphins (Grampus griseus) at the Azores: A stratified community based on highly associated social units. Canadian Journal of Zoology 86:294-306.
18. Hoyt, E. 2005a. Marine protected areas for whales, dolphins and porpoises. Earthscan, London, UK.
19. Hoyt, E. 2005b. Sustainable ecotourism on Atlantic islands, with special reference to whale watching, marine protected areas and sanctuaries for cetaceans. Biology and Environment: Proceedings of the Royal Irish Academy 105B:141-154.
20. IOC, IHO and BODC. 2003. Centenary Edition of the GEBCO Digital Atlas. Published on CD-ROM on behalf of the Intergovernmental Oceanographic Commission and the International Hydrographic Organization as part of the General Bathymetric Chart of the Oceans. British Oceanographic Data Centre, Liverpool, UK.
21. Janik, V. M., and P. M. Thompson 1996. Changes in surfacing patterns of bottlenose dolphins in response to boat traffic. Marine Mammal Science 12:597-602.
22. Kruse, S. 1991. The interactions between boats and killer whales in Johnson strait, B.C. Pages 149-160 in K. S. Norris and K. Pryor, eds. Dolphin societies discoveries and puzzles. University of California press, Berkeley, CA.
23. Lammers, M. O. 2004. Occurrence and behavior of Hawaiian spinner dolphins (Stenella longirostris) along Oahu's leeward and south shores. Aquatic Mammals 30:237-250.
24. Lusseau, D. 2003a. Effects of tour boats on the behavior of bottlenose dolphins: Using Markov chains to model anthropogenic impacts. Conservation Biology 17:1785-1793.
25. Lusseau, D. 2003b. Male and female bottlenose dolphins Tursiops spp. have different strategies to avoid interactions with tour boats in Doubtful Sound, New Zealand. Marine Ecology Progress Series 257:267-274.
26. Lusseau, D. 2004. The hidden cost of tourism: detecting long-term effects of tourism using behavioral information. Ecology and Society 9:2. Available at
27. Lusseau, D. 2005. The residency pattern of bottlenose dolphins (Tursiops spp.) in Milford Sound, New Zealand, is related to boat traffic. Marine Ecology Progress Series 295:265-272.
28. Magalhães, S., R. Prieto, M. A. Silva, J. Gonçalves, M. Afonso-Dias and R. S. Santos 2002. Short-term reactions of sperm whales (Physeter macrocephalus) to whale watching vessels in the Azores. Aquatic Mammals 28:267-274.
29. Mann, J. 1999. Behavioral sampling methods for cetaceans: A review and critique. Marine Mammal Science 15:102-122.
30. Miller, M. L. 1993. The rise of coastal and marine tourism. Ocean and Coastal Management 20:181-199.
31. Moberg, G. P. 2000. Biological response to stress: Implications for animal welfare. CAB International, Cambridge, UK.
32. Norris, K. S., and T. P. Dohl 1980. Behavior of the Hawai'ian spinner dolphin, Stenella longirostris. Fishery Bulletin 77:821-849.
33. Nowacek, S. M., R. S. Wells and A. R. Solow 2001. Short-term effects of boat traffic on bottlenose dolphins, Tursiops truncatus, in Sarasota bay, Florida. Marine Mammal Science 17:673-688.
34. O'Connor, S., R. Campbell, H. Cortez and T. Knowles 2009. Whale watching worldwide: Tourism numbers, expenditures and expanding economic benefits, a special report from the International Fund for Animal Welfare, Yarmouth, MA, prepared by Economists at Large.
35. Pinheiro, J., and D. Bates 2000. Mixed effects models in S and S-Plus. Springer-Verlag, New York, NY.
36. R Development Core Team. 2009. R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria.
37. Ricklefs, R. E., M. Konarzewski and S. Daan 1996. The relationship between basal metabolic rate and daily energy expenditure in birds and mammals. American Naturalist 147:1047-1071.
38. Shane, S. H. 1990. Behavior and ecology of the bottlenose dolphin at Sanibel Island Florida. Pages 245-265 in S. Leatherwood and R. R. Reeves, eds. The bottlenose dolphin. Academic Press, New York, NY.
39. Shane, S. H. 1995. Behavior patterns of pilot whales and Risso's dolphins off Santa Catalina Island, California. Aquatic Mammals 21:195-197.
40. Silva, M. A. E. 2007. Population ecology of bottlenose dolphins in the Azores Archipelago. Ph.D. thesis, University of St. Andrews, St. Andrews, UK 254 pp.
41. Stensland, E., and P. Berggren 2007. Behavioral changes in female Indo-Pacific bottlenose dolphins in response to boat-based tourism. Marine Ecology Progress Series 332:225-234.
42. Tinker, S. W. 1988. Whales of the world. Bess Press Inc., Honolulu, HI.
43. Whitehead, H. 2003. Sperm whales: Social evolution in the ocean. University of Chicago Press, Chicago, IL.
44. Williams, R., and E. Ashe 2007. Killer whale evasive tactics vary with boat number. Journal of Zoology 272:390-397.
45. Williams, R., A. W. Trites and D. E. Bain 2002. Behavioral responses of killer whales (Orcinus orca) to whale watching boats: Opportunistic observations and experimental approaches. Journal of Zoology 256:255-270.
46. Williams, R., D. Lusseau and P. S. Hammond 2006. Estimating relative energetic costs of human disturbance to killer whales (Orcinus orca). Biological Conservation 133:301-311.
47. Wood, S. N. 2006. Generalized additive models: An introduction with R. Chapman and Hall/CRC Press, Boca Raton, FL.
48. Zuur, A. F., E. N. Ieno, N. Walker, A. A. Saveliev and G. M. Smith 2009. Mixed effects models and extensions in ecology with R. Springer, New York, NY.