River dolphins and flooded forest: Seasonal habitat use and sexual segregation of botos (Inia geoffrensis) in an extreme cetacean environment

Journal of Zoology

Volumn 263, Issue 3, 2004, Pages 295-305

  Martin, A R ^a,c   Da Silva, V M F ^b  

^a UNIVERSITY OF ST ANDREWS   (United Kingdom)

^b INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA   (Brazil)

^c BRITISH ANTARCTIC SURVEY   (United Kingdom)

Author keywords

Amazon; Brazil; Conservation; Floodplain; Inia geoffrensis; V rzea

Indexed keywords

CETACEAN; CONSERVATION; FLOODPLAIN; HABITAT USE; SEASONALITY; SEX-RELATED DIFFERENCE;

AMAZON RIVER; BRAZIL; SOUTH AMERICA;

CETACEA; CORYPHAENIDAE; INIA GEOFFRENSIS;

EID: 3142605360     PISSN: 09528369     EISSN: None     Source Type: Journal    
DOI: 10.1017/S095283690400528X     Document Type: Article

References (41)

1. Amos, B., Schloetterer, C. & Tautz, D. (1993). Social structure of pilot whales revealed by analytical DNA profiling. Science 260: 670-72.
2. Ayres, J. M. C. (1993). As matas da várzea do Mamirauá, Rio de Janeiro, Brazil: Sociedade Civil Mamirauá.
3. Baird, R. W. (2000). The killer whale: foraging specialisations and group hunting. In Cetacean societies: 127-153. Mann, J., Connor, R. C., Tyack, P. L. & Whitehead, H. (Eds). Chicago: University of Chicago Press.
4. Barthem, R. (1999). A pesca Comercial no médio Solimões e sua interação com a Reserva de Desenvolvimento Sustentável Mamirauá. In Estratégias para manejo de recursos pesqueiros em Mamirauá: 72-107. Queiroz, H. L. & Crampton, W. G. R. (Eds). Brasília: Sociedade Civil Mamirauá & CNPq.
5. Barthem, R. & Goulding, M. (1997). The Catfish connection. Biology and resources management in the tropics series. New York: Columbia University Press.
6. Bérubé, M., Berchok, C. & Sears, R. (2001). Observation of male-biased sex ratio in the Gulf of St. Lawrence fin whales (Balaenoptera physalus): temporal, geographical, or group structure segregation? Mar. Mamm. Sci. 17(2): 371-381.
7. Best, R. C. & da Silva, V. M. F. (1984). Preliminary analysis of reproductive parameters of the boutu, Inia geoffrensis, and the tucuxi, Sotalia fluviatilis, in the Amazon River system. Rep. Int. Whal. Comm. Spec. Issue 6: 361-369.
8. Best, R. C. & da Silva, V. M. F. (1989b). Amazon river dolphin, Boto. Inia geoffrensis (de Blainville, 1817). In Handbook of marine mammals 4: 1-23. Ridgway, S. H. & Harrison, R. J. (Eds). London: Academic Press.
9. Best, R. C. & da Silva, V. M. F. (1993). Inia geoffrensis. Mamm. Species 426: 1-8.
10. Brown, M. W., Brault, S., Hamilton, P. K., Kenner, R. D., Knowlton, A. R., Marx, M. K., Mayo, C. A., Slay, C. K. & Kraus, S. D. (2001). Sighting heterogeneity of right whales in the western North Atlantic: 1980-1992. J. Cetacean Res. Manage. Spec. Issue 2: 245-250.
11. Buckland, S. T., Anderson, D. R., Burnham, K. P., Laake, J. L., Borchers, D. L. & Thomas, L. (2001). Introduction to distance sampling: estimating abundance of biological populations. Oxford: Oxford University Press.
12. Clark, D. C. & Stirling, I. (1998). Habitat preferences of polar bears in the Hudson Bay lowlands during late summer and fall. Ursus 10: 243-250.
13. Conradt, L., Clutton-Brock, T. H. & Guinness, F. E. (2000). Sex differences in weather sensitivity can cause habitat segregation: red deer as an example. Anim. Behav. 59: 1049-1060.
14. Cox-Fernandes, C. & de Merona, B. (1988). Lateral migration of fishes on a floodplain system in the Central Amazon (Careiro Island, Lake of Rei), Amazonas, Brasil. Preliminary analyses. Mem. Soc. Ciênc. nat. La Salle XLVIII (Suppl.): 409-432.
15. Crampton, W. G. R. (1998). Effects of anoxia on the distribution, respiratory strategies and electric signal diversity of gymnotiform fishes. J. Fish Biol. 53 (Suppl. A): 307-330.
16. Crampton, W. G. R. (1999). Os peixes da Reserva Mamirauá: diversidade e história natural na planície alagável da Amazônia. In Estratégias para Manejo de Recursos Pesqueiros em Mamirauá: 10-36. Queiroz, H. L. & Crampton, W. G. R. (Eds). Brasília: Sociedade Civil Mamirauá/CNPq.
17. da Silva, V. M. F. (1983). Ecologia Alimentar dos Golfinhos da Amazônia. MSc thesis, University of Amazonas, Manaus, Brazil,
18. da Silva, V. M. F. & Martin, A. R. (2000). A study of the boto, or Amazon river dolphin (Inia geoffrensis), in the Mamirauá Reserve, Brazil: operation and techniques. In Biology and conservation of freshwater cetaceans in Asia. Occasional paper of the IUCN Species Survival Commission No. 23: 121-131. Reeves, R. R., Smith, B. D. & Kasuya, T. (Eds). Gland, Switzerland: IUCN.
19. Derocher, A. E. & Stirling, I. (1990). Distribution of polar bears (Ursus maritimus) during the ice-free period in western Hudson Bay. Can. J. Zool. 68: 1395-1403.
20. Goulding, M. (1980). The fishes and the forest, explorations in Amazonian natural history. Berkeley, LA: University of California Press.
21. Goulding, M. (1981). Man and fisheries on an Amazon frontier. Developments in Hydrobiology 4. Dumont, H. J. (Ed.). The Hague: Dr W. Junk.
22. Hurtado, L. A. C. (1996). Distribucion, uso del habitat, movimientos y organizacion social del bufeo colorado Inia geoffrensis (Cetacea: Iniidae) en el alto Rio Amazonas. Conservacion, Ecologia y Manejo de Recursos Naturales. MSc dissertation, Instituto Tecnologico y de Estudios Superiores de Monterrey, Mexico.
23. Junk, W. J. (1997). General aspects of floodplain ecology with special reference to Amazonian floodplains. In The Central Amazon floodplain. Ecology of a pulsing system. Ecological studies 126: 3-20. Junk, W. J. (Ed.). Berlin: Springer-Verlag.
24. Leatherwood, J. S. (1996). Distributional ecology and conservation status of river dolphins (Inia geoffrensis and Sotalia fluviatilis) in portions of the Peruvian Amazon. PhD thesis, Texas A&M University.
25. Main, M. B., Weckerly, F. W. & Bleich, V. C. (1996). Sexual segregation in ungulates: new directions for research. J. Mammal. 77(2): 449-461.
26. Martin, A. R. & da Silva, V. M. F. (1998). Tracking aquatic vertebrates in dense tropical forest using VHF telemetry. Mar. Tech. Soc. J. 32: 82-88.
27. Martin, A. R., da Silva, V. M. F. & Salmon, D. L. (In press). Riverine habitat preferences of botos (Inia geoffrensis) and tucuxis (Sotalia fluviatilis) in the central Amazon. Mar. Mamm. Sci.
28. McGuire, T. L. (1995). Ecology of the river dolphin, Inia geoffrensis, in the Cinaruco River, Venezuela. MSc thesis, Texas A&M University.
29. McGuire, T. L. (2002). Distribution and abundance of river dolphins in the Peruvian Amazon. PhD thesis, Texas A&M University.
30. McGuire, T. L. & Winemiller, K. O. (1998). Occurrence patterns, habitat associations, and potential prey of the river dolphin, Inia geoffrensis, in the Cinaruco River, Venezuela. Biotropica 30: 625-638.
31. Norris, K. S., Würsig, B., Wells, R. S. & Würsig, M. (1994). The Hawaiian spinner dolphin. Berkeley, CA: University of California Press.
32. Reeves, R. R., Smith, B. D. & Kasuya, T. (Eds). (2000). Biology and conservation of freshwater cetaceans in Asia. Occasional paper of the IUCN Species Survival Commission No. 23. Gland, Switzerland: IUCN.
33. Sioli, H. (1984). The Amazon and its main affluent: hydrography, morphology of the river courses, and river types. In The Amazon. Limnology and landscape ecology of a mighty tropical river and its basins: 127-165. Sioli, H. (Ed.). Dordrecht: Dr W. Junk.
34. Smith, B. D. (1993). 1990 status and conservation of the Ganges River dolphin Platanista gangetica in the Karnali River, Nepal. Biol. Conserv. 66: 159-169.
35. Stewart, B. S. (1997). Ontogeny of differential migration and sexual segregation in northern elephant seals. J. Mammal. 78(4): 1101-1116.
36. Stirling, I., Andriashek, D. & Calvert, W. (1993). Habitat preferences of polar bears in the Western Canadian Arctic in late winter and spring. Polar Rec. 29: 13-24.
37. Thomas, L., Laake, J. L., Strindberg, S., Marques, F. F. C., Buckland, S. T., Borchers, D. L., Anderson, D. R., Burnham, K. P., Medley, S. L. & Pollard, J. H. (2002). Distance 4. 0. Release I. Research Unit for Wildlife Population Assessment. University of St Andrews, U.K. http://www.ruwpa.stand.ac. uk/distance/
38. Vidal, O., Barlow, J., Hurtado, L. A., Torre, J., Cendón, P. & Ojeda, Z. (1997). Distribution and abundance of the Amazon River dolphin (Inia geoffrensis) and the tucuxi (Sotalia fluviatilis) in the upper Amazon River. Mar. Mamm. Sci. 13(3): 427-445.
39. Whitehead, H. & Weilgart, L. (2000). The sperm whale: social females and roving males. In Cetacean societies: 154-172. Mann, J., Connor, R. C., Tyack, P. L. & Whitehead, H. (Eds). Chicago: University of Chicago Press.
40. Wielgus, R. B. & Bunnell, F. L. (1994). Sexual segregation and female grizzly bear avoidance of males. J. Wildl. Manage. 58(3): 405-413.
41. Wielgus, R. B. & Bunnell, F. L. (1995). Tests of hypotheses for sexual segregation in grizzly bears. J. Wildl. Manage. 59(3): 552-560.