Conservation and management implications of nest-site selection of the sympatric crocodilians Melanosuchus niger and Caiman crocodilus in Central Amazonia, Brazil

Biological Conservation

Volumn 144, Issue 2, 2011, Pages 913-919

  Villamarín, Francisco ^a   Marioni, Boris ^b   Thorbjarnarson, John B ^c   Nelson, Bruce W ^a   Botero Arias, Robinson ^d   Magnusson, William E ^a  

^a INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA   (Brazil)

^b Amazon Caiman Conservation Program   (Brazil)

^c WILDLIFE CONSERVATION SOCIETY   (United States)

^d Estrada do Bexiga 2584 Bairro Fonte Boa   (Ecuador)

Author keywords

Caiman nesting; Flood regime; Floodplain lakes; Hydrological stability; Landsat TM5; Source sink dynamics

Indexed keywords

BIOLOGICAL SURVEY; BREEDING POPULATION; CONSERVATION MANAGEMENT; CROCODILIAN; FLOODING; FLOODPLAIN; HABITAT CONSERVATION; HABITAT USE; HUNTING; HYDROLOGICAL REGIME; LAKE ECOSYSTEM; LANDSAT; NEST SITE; SATELLITE IMAGERY; SITE SELECTION; SOURCE-SINK DYNAMICS; SPATIAL DISTRIBUTION; SYMPATRY;

AMAZONIA; BRAZIL;

CAIMAN; CAIMAN CROCODILUS; CROCODYLIDAE (ALL CROCODILES); MELANOSUCHUS NIGER;

EID: 79451475064     PISSN: 00063207     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.biocon.2010.12.012     Document Type: Article

References (42)

1. Allsteadt J. Nesting ecology of Caiman crocodilus in Caño Negro, Costa Rica. J. Herpetol. 1994, 28:12-19.
2. Ayarzagüena J., Castroviejo J. La baba (Caiman crocodilus L.) en la Estación Biológica El Frío (Estado Apure). Llanos del Orinoco, Venezuela. Contribución al conocimiento del género Caiman de Suramérica 2008, 181-294. Publ. Asoc. Amigos de Doñana, Sevilla, Santa Cruz de la Sierra. J. Castroviejo, J. Ayarzagüena, A. Velasco (Eds.).
3. Ayres J.M. As Matas de Várzea do Mamirauá: Medio Rio Solimões 1993, Sociedade Civil Mamirauá, Belém.
4. Botero-Arias R., Marmontel M., Queiroz H.L. Projeto de manejo experimental de jacarés no estado do Amazonas: Abate de jacarés no Setor Jarauá - Reserva de Desenvolvimento Sustentável Mamirauá, Dezembro de 2008. Uakari 2009, 5:49-58.
5. Campos Z., Magnusson W. Relationships between rainfall, nesting habitat and fecundity of Caiman crocodilus yacare in the Pantanal, Brazil. J. Trop. Ecol. 1995, 11:351-358.
6. Campos Z., Coutinho M., Mourão G., Bayliss P., Magnusson W.E. Long distance movements by Caiman crocodilus yacare: implications for management of the species in the Brazilian Pantanal. Herpetol. J. 2006, 16:123-132.
7. Campos Z., Magnusson W.E., Sanaiotti T., Coutinho M. Reproductive trade-offs in Caiman crocodilus crocodilus and Caiman crocodilus yacare: implications for size-related management quotas. Herpetol. J. 2008, 18:91-96.
8. Castello L. Lateral migration of Arapaima gigas in floodplains of the Amazon. Ecol. Freshw. Fish. 2007, 17:38-46.
9. Cintra R. Nesting Ecology of the Paraguayan Caiman (Caiman yacare) in the Brazilian Pantanal. J. Herpetol. 1988, 22:219-222.
10. Crampton W.G.R. Electric signal design and habitat preferences in a species rich assemblage of gymnotiform fishes from the Upper Amazon basin. An. Acad. Bras. Cienc. 1998, 70:805-847.
11. Crawshaw P.G., Schaller G.B. Nesting of Paraguayan caiman (Caiman yacare) in Brazil. Papeis Avulsos de Zoologia 1980, 33:283-292.
12. Da Silveira R. Conservação e manejo do jacaré açu (Melanosuchus niger) na Amazônia brasileira. Conservação e Manejo de Jacarés e Crocodilos da América Latina - La Conservación y el Manejo de Caimanes y Cocodrilos de América Latina 2002, 61-78. CN Editora, Piracicaba, São Paulo. L.M. Verdade, A. Larriera (Eds.).
13. Da Silveira R. Avaliação preliminar da distribuição, abundância e da caça de jacarés no Baixo Rio Purus. Piagaçu-Purus: Base Cientifica para a Criação de uma Reserva de Desenvolvimento Sustentável 2003, Instituto de Desenvolvimento Sustentável Mamirauá, Manaus, Amazonas. C.P. Deus, R. Da Silveira, L.H.R. Py-Daniel (Eds.).
14. Da Silveira R., Thorbjarnarson J. Conservation implications of commercial hunting of black and spectacled caiman in the Mamirauá Sustainable Development Reserve. Brazil. Biol. Conserv. 1999, 88:103-109.
15. Da Silveira R., Viana J.P. Amazonian crocodilians: a keystone species for ecology and management... or simply bait?. Crocodile Specialist Group Newsletter 2003, 22:16-17.
16. Da Silveira R., Magnusson W., Campos Z. Monitoring the distribution, abundance and breeding areas of Caiman crocodilus crocodilus and Melanosuchus niger in the Anavilhanas Archipelago, Central Amazonia. Brazil. J. Herpetol. 1997, 31:514-520.
17. Da Silveira R., Ramalho E.E., Thorbjarnarson J., Magnusson W. Depredation by jaguars on caimans and importance of reptiles in the diet of jaguar. J. Herpetol. 2010, 44:418-424.
18. Eastman J.R. IDRISI Kilimanjaro Guide to GIS and Image Processing, in Manual Version 14.00 2003, Clark Labs, Worcester, MA.
19. Hall P.M., Johnson D.R. Nesting biology of Crocodylus novaeguineae in Lake Murray District, Papua New Guinea. Herpetologica 1987, 43:249-258.
20. Herron J.C. Body size, spatial distributions, and microhabitat use in the caimans, Melanosuchus niger and Caiman crocodilus, in a Peruvian Lake. J. Herpetol. 1994, 28:508-513.
21. Joanen T., McNease L. Ecology and physiology of nesting and early development of the American alligator. Am. Zool. 1989, 29:987-998.
22. Junk W.J. Flood tolerance and tree distribution in central Amazonian floodplains. Tropical Forests: Botanical Dynamics, Speciation and Diversity 1989, 47-64. Academic Press, London. L.B. Holm-Nielsen, I.C. Nielsen, H. Balslev (Eds.).
23. Junk W.J. General aspects of floodplain ecology. The Central Amazon Floodplain: Ecology of a Pulsing System 1997, 3-20. Springer, Berlin. W.J. Junk (Ed.).
24. Kushlan J.A., Jacobsen T. Environmental variability and the reproductive success of Everglades Alligators. J. Herpetol. 1990, 24:176-184.
25. Lang J.W. Crocodilian behaviour: implications for management. Wildlife Management: Crocodiles and Alligators 1987, 273-294. Surrey Beatty & Sons Pty Limited, Canberra. G.J.W. Webb, C. Manolis, P.J. Whitehead (Eds.).
26. Lang J.W., Andrews H.V. Temperature-dependent sex determination in crocodilians. J. Exp. Zool. 1994, 270:28-44.
27. Magnusson W.E. Habitat selection, parasites and injuries in Amazonian crocodilians. Amazoniana 1985, 9:193-204.
28. Magnusson, W.E., 1986. The peculiarities of crocodilian population dynamics and their possible importance for management strategies, in crocodiles. In: Proceedings of the 7th Working Meeting of the IUCN-SSC Crocodile Specialist Group. IUCN, pp. 434-442.
29. Marioni, B., Von Mhülen, E., Da Silveira, R., 2006. Illegal caiman hunting in the Sustainable Development Reserve Piagaçu-Purus, Brazilian Amazonia. In: Proceedings of the 18th Working Meeting of the IUCN-SSC Crocodile Specialist Group, p. 165.
30. Marioni B., Da Silveira R., Magnusson W.E., Thorbjarnarson J. Feeding behavior of two sympatric caiman species, Melanosuchus niger and Caiman crocodilus in the Brazilian Amazon. J. Herpetol. 2008, 42:768-772.
31. Piña C.I., Larriera A., Cabrera M.R. Effects of incubation temperature on incubation period, sex ratio, hatchling success, and survivorship in Caiman latirostris (Crocodylia, Alligatoridae). J. Herpetol. 2003, 37:199-202.
32. Platt S.G., Rainwater T.R., Thorbjarnarson J., McMurry S.T. Reproductive dynamics of a tropical freshwater crocodilian: Morelet's crocodile in northern Belize. J. Zool. 2008, 275:177-189.
33. Pulliam H.R. Sources, sinks, and population regulation. Am. Nat. 1988, 132:652-661.
34. Ross J.P. Crocodiles: Status Survey and Conservation Action Plan 1998, IUCN/SSC Crocodile Specialist Group, Gland, Cambridge.
35. Thorbjarnarson J. An analysis of the spectacled caiman (Caiman crocodilus) harvest program in Venezuela. Neotropical Wildlife Use and Conservation 1991, 217-235. University of Chicago Press, Chicago. J. Robinson, K. Redford (Eds.).
36. Thorbjarnarson J. Reproductive ecology of the spectacled caiman (Caiman crocodilus) in the Venezuelan Llanos. Copeia 1994, 907:919.
37. Thorbjarnarson J., Da Silveira R. Secrets of the flooded forest. Nat. Hist. 2000, 109:70-79.
38. Villamarín-Jurado F., Suárez E. Nesting of the Black Caiman (Melanosuchus niger) in Northeastern Ecuador. J. Herpetol. 2007, 41:164-167.
39. Webb G.J.W., Messel H., Magnusson W. Nesting of Crocodylus porosus in Arnhem Land, Northern Australia. Copeia 1977, 2:238-249.
40. Webb G.J.W., Buckworth R., Manolis C. Crocodylus johnstoni in the McKinlay river, N. T. VI. Nesting biology. Aust. Wildlife Resour. 1983, 10:607-637.
41. Wilkinson L. SYSTAT Version 8.0 1998, SPSS Inc., Chicago.
42. Wittmann F., Anhuf D., Junk W.J. Tree species distribution and community structure of central Amazonian varzea forests by remote-sensing techniques. J. Trop. Ecol. 2002, 18:805-820.