Bioko: Critically important nesting habitat for sea turtles of West Africa

Biodiversity and Conservation

Volumn 19, Issue 9, 2010, Pages 2699-2714

  Tomás, Jesús ^a,b   Godley, Brendan J ^a   Castroviejo, Javier ^c   Raga, Juan A ^b  

^a UNIVERSITY OF EXETER   (United Kingdom)

^b UNIVERSITY OF VALENCIA   (Spain)

^c Asociacion Amigos de Donana   (Spain)

Author keywords

Chelonia mydas; Conservation; Dermochelys coriacea; Eretmochelys imbricata; Lepidochelys olivacea; West Africa, Bioko

Indexed keywords

ANTHROPOGENIC EFFECT; BEACH; BREEDING POPULATION; CONSERVATION STATUS; DATA INTERPRETATION; FEMALE; MONITORING; NEST SITE; SPECIES CONSERVATION; TAGGING; TURTLE;

BIOKO; EQUATORIAL GUINEA; WEST AFRICA;

CHELONIA MYDAS; CHELONIIDAE; DERMOCHELYS CORIACEA; ERETMOCHELYS IMBRICATA; LEPIDOCHELYS OLIVACEA; TESTUDINES;

EID: 77954456012     PISSN: 09603115     EISSN: 15729710     Source Type: Journal    
DOI: 10.1007/s10531-010-9868-z     Document Type: Article

References (57)

1. Alvarado J, Murphy TM (1999) Nesting periodicity and internesting behaviour. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 115-118.
2. Alvarado-Diaz J, Arias-Coyotl E, Delgado-Trejo C (2003) Clutch frequency of the Michoacan green seaturtle. J Herpetol 37: 183-185.
3. Anonymous (2000) Informe sobre algunos aspectos de la biología reproductiva de las tortugas marinas y su explotación en la isla de Bioko. Unpublished report. Proyecto de Conservación y Ecodesarrollo en el Sur de la isla de Bioko (Guinea Ecuatorial), Eoco y zona oriental. Asociación Amigos de Doñana, Malabo, Equatorial Guinea, p 15.
4. Billes A, Fretey J, Mourndembe JB (2003) Monitoring of leatherback turtles in Gabon. In: Seminoff J (comp) Proceedings of the 22nd annual symposium of sea turtle biology and conservation. NOAA-TM-NMFS-SEFSC-503, Miami, USA, pp 131-132.
5. Bjorndal KA, Carr A, Meylan AB, Mortimer JA (1985) Reproductive biology of the hawksbill turtle Eretmochelys imbricata at Tortuguero, Costa Rica, with notes on the ecology of the species in the Caribbean. Biol Conserv 34: 353-368.
6. Bjorndal KA, Bolten AB, Lagueux CJ, Chaves A (1996) Probability of tag loss in green turtles nesting at Tortuguero, Costa Rica. J Herpetol 30(4): 567-571.
7. Bolten AB (1999) Techniques for measuring sea turtles. In: Eckert KL, Bjorndal KA, Abreu-Grobois FA, Donnelly M (eds) Research and management techniques for the conservation of sea turtles. IUCN/SSC Marine Turtle Specialist Group Publication No. 4, pp 110-114.
8. Broderick AC, Godley BJ, Hays GC (2001) Trophic status drives inter-annual variability in nesting numbers of marine turtles. Proc R Soc Lond B 268: 1481-1487.
9. Broderick AC, Glen F, Godley BJ, Hays GC (2002) Estimating the number of green and loggerhead turtles nesting annually in the Mediterranean. Oryx 36(3): 227-235.
10. Broderick AC, Glen F, Godley BJ, Hays GC (2003) Variation in reproductive output of marine turtles. J Exp Mar Biol Ecol 4097: 1-15.
11. Brongersma LD (1982) Marine turtles of the eastern Atlantic Ocean. In: Bjorndal KA (ed) Biology and conservation of sea turtles. Smithsonian Institute Press, Washington, DC, pp 407-416.
12. Butynski TM (1996) Marine turtles on Bioko Island, Equatorial Guinea. Oryx 30(2): 143-149.
13. Butynski TM, Koster SH (1989) Marine turtles on Bioko Island (Fernando Poo), Equatorial Guinea: a call for research and conservation. WWF Unpublished Report, Washington, DC.
14. Butynski TM, Koster SH (1994) Distribution and conservation status of primates in Bioko Island, Equatorial Guinea. Biodivers Conserv 3: 893-909.
15. Carr A, Carr MH (1970) Modulated reproductive periodicity in Chelonia. Ecology 51(2): 335-337.
16. Carranza A, Domingo A, Estrades A (2006) Pelagic longlines: a threat to sea turtles in the Equatorial Eastern Atlantic. Biol Conserv 131: 52-57.
17. Castroviejo J, Juste J, Pérez Del Val J, Castelo R, Gil R (1994) Diversity and status of sea turtle species in the Gulf of Guinea islands. Biodivers Conserv 3: 828-836.
18. Catry P, Barbosa C, Indjai B, Almeida A, Godley BJ, Vié JC (2002) First census of the green turtle at Poilão, Bijagós Archipelago, Guinea-Bissau: the most important nesting colony on the Atlantic coast of Africa. Oryx 36(4): 400-403.
19. Chacón-Chaverri D (1999) Anidación de la tortuga Dermochelys coriacea (Testudines: Dermochelyidae) en la playa Gandoca, Costa Rica (1990-1997). Rev Biol Trop 47(1-2): 225-236.
20. Dutton DL, Dutton PH, Chaloupka M, Boulon RH (2005) Increase of a Caribbean leatherback turtle Dermochelys coriacea nesting population linked to long-term nest protection. Biol Conserv 126: 186-194.
21. Eckert SA (2006) High-use oceanic areas for Atlantic leatherback sea turtles (Dermochelys coriacea) as identified using satellite telemetered location and dive information. Mar Biol 149: 1257-1267.
22. Formia A (2002) Population and genetic structure of the green turtle (Chelonia mydas) in West and Central Africa; implications for management and conservation. PhD dissertation, Cardiff University, UK.
23. Formia A, Tomás J, Castelo R (2000) Nidification des tortues marines au sud de Bioko. Canopée 18: i-iv.
24. Formia A, Tiwari M, Fretey J, Billes A (2003) Sea turtle conservation along the Atlantic coast of Africa. Mar Turt Newsl 100: 33-37.
25. Formia A, Godley BJ, Dontaine JF, Bruford MW (2006) Mitochondrial DNA diversity and phylogeography in African green turtles (Chelonia mydas). Conserv Genet 7: 353-369.
26. Formia A, Broderick AC, Glen F, Godley BJ, Hays GC, Bruford MW (2007) Genetic composition of the Ascension Island green turtle rookery based on mitochondrial DNA; implications for sampling and diversity. Endanger Species Res 3: 145-158.
27. Fretey J (2001) Biogeography and conservation of marine turtles of the Atlantic coast of Africa. CMS Technical Series Publication No. 6. UNEP/CMS Secrertariat, Bonn, Germany.
28. Fretey J, Billes A, Tiwari M (2007) Leatherback, Dermochelys coriacea, nesting along the Atlantic coast of Africa. Chelonian Conserv Biol 6: 126-129.
29. Girondot M, Godfrey MH, Ponge L, Rivalan P (2007) Modelling approaches to quantify leatherback nesting tends in French Guiana and Suriname. Chelonian Conserv Biol 6: 37-46.
30. Godley BJ, Blumenthal JM, Broderick AC, Coyne MS, Godfrey MH, Hawkes LA, Witt MJ (2008) Satellite tracking of sea turtles: where have we been and where do we go next? Endanger Species Res 4: 3-22.
31. Hirth HF (1997) Synopsis of biological data on the green turtle Chelonia mydas (Linnaeus, 1758). Fish and Wildlife Service, U. S. Department of the Interior, Biological Report 97(1).
32. Jackson AL, Broderick AC, Fuller WJ, Glen F, Ruxton GD, Godley BJ (2008) Sampling design and its effect on population monitoring: how much monitoring do turtles really need? Biol Conserv 141: 2932-2941.
33. Kalb HJ (1999) Behaviour and physiology of solitary and arribada nesting olive ridley sea turtles during the interesting period. PhD dissertation, Texas A& M University, College Station, TX, USA.
34. Le Gall J-Y, Bosc P, Chateau D, Taquet M (1986) Estimation du nombre de tortues vertes femelles adultes Chelonia mydas par saison de ponte à Tromelin et Europa (Océan Indien) (1973-1985). Oceanogr Trop 21(1): 3-22.
35. Limpus CJ (1992) Estimation of tag loss in marine turtle research. Wildl Res 19: 459-469.
36. Limpus CJ, Carter D, Hamann M (2001) The green turtle, Chelonia mydas, in Queensland, Australia: the Bramble Cay rookery in the 1979-1980 breeding season. Chelonian Conserv Biol 4: 34-46.
37. Limpus CJ, Miller J, Parmenter C, Limpus D (2003) The green turtle, Chelonia mydas, population of Raine Island and the northern Great Barrier Reef 1843-2001. Mem Qld Mus 49: 349-440.
38. a fase). Technical Report No11-SUC. Proyecto Conservación y Utilización Racional de los Ecosistemas Forestales de Guinea Ecuatorial (C. U. R. E. F.). Bata, Guinea Ecuatorial.
39. McGowan A, Broderick AC, Frett G, Gore S, Hastings M, Pickering A, Wheatly D, White J, Witt MJ, Godley BJ (2008) Down but not out: marine turtles of the British Virgin Islands. Anim Conserv 11: 92-103.
40. Mortimer JA, Bresson R (1999) Temporal distribution and periodicity in hawksbill turtles (Eretmochelys imbricata) nesting at Cousin Island, Republic of Seychelles, 1971-1997. Chelonian Conserv Biol 3(2): 318-325.
41. Patiño-Martínez J, Marco A, Quinones L, Godley BJ (2008) Globally significant nesting of the leatherback turtle (Dermochelys coriacea) on the Caribbean coast of Columbia and Panama. Biol Conserv 141: 1982-1988.
42. Pérez del Val J (1996) In: Pastor V (ed) Las aves de Bioko, Guinea Ecuatorial. EDILESA, Leon.
43. Pilcher NJ (2000) The green turtle, Chelonia mydas, in the Saudi Arabian Gulf. Chelonian Conserv Biol 3(4): 730-734.
44. Rader H, Ela Mba MA, Morra W, Hearn G (2006) Marine turtles on the southern coast of Bioko Island (Gulf of Guinea, Africa), 2001-2005. Mar Turt Newsl 111: 8-10.
45. Reina RD, Mayor PA, Spotila JR, Piedra R, Paladino FV (2002) Nesting ecology of the leatherback turtle, Dermochelys coriacea, at Parque Nacional Marino Las Baulas, Costa Rica: 1988-1989 to 1999-2000. Copeia 2002(3): 653-664.
46. Reina RD, Spotila JR, Paladino FV (2007) Why older ladies are better. In: Mast RB, Hutchinson BJ, Hutchinson AH (comps) Proceedings of the twenty-fourth annual symposium on sea turtle biology and conservation. NOAA Technical Memorandum NMFS-SEFSC-567, pp 32-33.
47. Reina RD, Spotila JR, Paladino FV, Dunham AE (2008) Changed reproductive schedule of eastern pacific leatherback turtles Dermochelys coriacea following the 1997-1998 El Nino to La Nina transition. Endanger Species Res. doi: 10. 3354/esr00098.
48. Richardson JI, Bell R, Richardson TH (1999) Population ecology and demographic implications drawn from an 11-year study of nesting hawksbill turtles, Eretmochelys imbricata, at Jumby Bay, Long Island, Antigua, West Indies. Chelonian Conserv Biol 3(2): 44-250.
49. Sounguet GP, Mbina C, Formia A (2004) Sea turtle research and conservation in Gabon by Aventures Sans Frontières, an organisational profile. Mar Turt Newsl 105: 19-21.
50. Steyermark AC, Williams K, Spotila J, Paladino FV, Rostal DC, Morreale S, Koberg MT, Arauz R (1996) Nesting leatherback turtles at Las Baulas National Park, Costa Rica. Chelonian Conserv Biol 2(2): 173-183.
51. Tomás J, Castroviejo J, Raga JA (1999) Sea turtles in the south of Bioko Island (Equatorial Guinea). Mar Turt Newsl 84: 4-6.
52. Tomás J, Formia A, Castroviejo J, Raga JA (2001a) Post-nesting movements of the green turtle, Chelonia mydas, nesting in the south of Bioko Island, Equatorial Guinea, West Africa. Mar Turt Newsl 94: 3-6.
53. Tomás J, Fretey J, Raga JA, Castroviejo J (2001b) Tortues marines de la façade atlantique de l'Afrique. Genre Lepidochelys. 1. Quelques données concernant la présence de L. olivacea (Eschscholtz, 1829) dans l'île de Bioko (Guinée Équatoriale). Bull Soc Herpetol France 98: 31-42.
54. Troëng S, Chacón D, Dick B (2004) Possible decline in leatherback turtle Dermochelys coriacea nesting along the coast of Caribbean Costa Rica. Oryx 38: 395-403.
55. Tucker AD (2010) Nest site fidelity and clutch frequency of loggerhead turtles are better elucidated by satellite telemetry than by nocturnal tagging efforts: implications for stock estimation. J Exp Mar Biol Ecol 383: 48-55.
56. Witt MJ, Broderick AC, Coyne MS, Formia A, Ngouessono S, Parnell RJ, Sounget G-P, Godley BJ (2008) Satellite tracking highlights difficulties in the design of effective protected areas for leatherback turtles during the internesting period. Oryx 42: 296-300.
57. Witt MJ, Baert B, Broderick AC, Formia A, Fretey J, Gibudi A, Moussounda C, Mounguengui GAM, Ngouessono S, Parnell RJ, Roumet D, Sounguet G-P, Verhage B, Zogo A, Godley BJ (2009) Aerial surveying of the world's largest leatherback turtle rookery: a more effective methodology for large-scale monitoring. Biol Conserv 142(8): 1719-1727.