Marine turtles and IUCN Red Listing: A review of the process, the pitfalls, and novel assessment approaches

Journal of Experimental Marine Biology and Ecology

Volumn 356, Issue 1-2, 2008, Pages 52-68

  Seminoff, Jeffrey A ^a   Shanker, Kartik ^b,c  

^a SOUTHWEST FISHERIES SCIENCE CENTER   (United States)

^b INDIAN INSTITUTE OF SCIENCE   (India)

^c ASHOKA TRUST FOR RESEARCH IN ECOLOGY AND THE ENVIRONMENT   (India)

Author keywords

Assessment; Endangered; IUCN Criteria; Modelling; Population trend; Sea turtle

Indexed keywords

ASSESSMENT METHOD; ENDANGERED SPECIES; LIFE HISTORY TRAIT; NESTING; POPULATION DECLINE; POPULATION DYNAMICS; POPULATION GROWTH; POPULATION MODELING; RED LIST; SPECIES CONSERVATION; TURTLE;

CHELONIIDAE; TESTUDINES;

EID: 39549108756     PISSN: 00220981     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jembe.2007.12.007     Document Type: Article

References (134)

1. Abreu-Grobois A., and Plotkin P. MSTG global assessment of olive ridley turtles for the IUCN Red List. Submitted to IUCN Species Survival Commission, April 2007 (2007). http://www.iucn-mtsg.org/red_list/lo/RLA_Lepidochelys_olivacea_revised.p df http://www.iucn-mtsg.org/red_list/lo/RLA_Lepidochelys_olivacea_revised.p df
2. Akçakaya H.R., and Sjögren-Gulve P. Population viability analysis in conservation planning: an overview. Ecol. Bull. 48 (2000) 9-21
3. Amorocho D. Monitoring nesting loggerhead turtles (Caretta caretta) in the central Caribbean coast of Colombia. Mar. Turt. Newsl. 101 (2003) 8-13
4. Andelman S.J., Groves C., and Regan H.M. A review of protocols for selecting species at risk in the context of US Forest Service viability assessments. Acta Oecol. 26 (2004) 75-83
5. Agapow P.-M., Bininda-Edmonds O.R.P., Crandall K.A., Gittleman J.L., Mace G.M., Marshall J.C., and Purvis A. The impact of species concept on biodiversity studies. Q. Rev. Biol. 79 (2004) 161-179
6. Baker C.S., and Clapham P.J. Modelling the past and future of whales and whaling. Trends Ecol. Evol. 19 (2004) 365-371
7. Baker J.D., Littnan C.L., and Johnston D.W. Potential effects of sea level rise on the terrestrial habitats of endangered and endemic megafauna in the Northwestern Hawaiian Islands. Endanger. Species Res. 2 (2006) 21-30
8. Balazs G.H., and Chaloupka M.Y. Thirty-year recovery trend in the once depleted Hawaiian green sea turtle stock. Biol. Conserv. 117 (2004) 491-498
9. Beggs J.A., Horrocks J.A., and Krueger B.H. Increase in hawksbill sea turtle Eretmochelys imbricata nesting in Barbados, West Indies Endang. Spec. Res. 3 (2007) 159-168
10. In: Beissinger S.R., and McCullough D.R. (Eds). Population Viability Analysis (2002), University of Chicago Press, Chicago 593 pp
11. Bjorndal K.A., and Jackson J.B.C. Roles of sea turtles in marine ecosystems: reconstructing the past. In: Lutz P.L., Musick J.A., and Wyneken J. (Eds). The Biology of Sea Turtles vol. 2 (2003), CRC Press, Boca Raton, Florida 259-274
12. Bjorndal K.A., Bolten A.B., and Chaloupka M.Y. Evaluating trends in abundance of immature green turtles, Chelonia mydas, in the greater Caribbean. Ecol. Appl. 15 (2005) 304-314
13. Bjorndal K.A., Bolten A.B., and Troëng S. Population structure and genetic diversity in green turtles nesting at Tortuguero, Costa Rica, based on mitochondrial DNA control region sequences. Mar. Biol. 147 (2005) 1449-1457
14. Blake S., and Hedges S. Sinking the flag-ship: the case of forest elephants in Asia and Africa. Conserv. Biol. 18 (2004) 1180-1190
15. Bowen B.W., and Karl S.A. Population genetics, phylogeny, and molecular evolution. In: Lutz P.L., and Musick J.A. (Eds). The Biology of Sea Turtles (1997), CRC Press, Boca Raton 29-50
16. Brockington D., and Igoe J. Eviction for conservation: a global overview. Conserv. Soc. 4 (2006) 424-470
17. Broderick A.C., Godley B.J., and Hays G.C. Trophic status drives inter-annual variability in nesting numbers of marine turtles. Proc. R. Soc. 268 (2001) 1481-1487
18. Broderick A.C., Frauenstein R., Glen F., Hays G.C., Jackson A.L., Pelembe T., Ruxton G.D., and Godley B.J. Are green turtles globally endangered?. Glob. Ecol. Biogeogr. 15 (2006) 21-26
19. Brooks T., and Kennedy E. Biodiversity barometers. Nature 431 (2004) 1046-1047
20. Campbell L.M. Science and sustainable use: views of marine turtle conservation experts. Ecol. Appl. 12 (2002) 1229-1246
21. Campbell C.L., and Lagueux C.J. Survival probability estimates for large juvenile and adult green turtles (Chelonia mydas) exposed to an artisanal marine turtle fishery in the western Caribbean. Herpetologica 61 (2005) 91-103
22. Chacon-Chaveri D. Synopsis of the leatherback turtle (Dermochelys coriacea). Inter-american convention for the protection and conservation of sea turtles. Document: INF-16-04 (2002). http://www.iacseaturtle.org/iacseaturtle/English/download/INF-16-04%20en g http://www.iacseaturtle.org/iacseaturtle/English/download/INF-16-04%20en g
23. Chacon-Chaveri D., and Eckert K.L. Leatherback sea turtle nesting at Gandoca Beach in Caribbean Costa Rica: management recommendations from fifteen years of conservation. Chelonian Conserv. Biol. 6 (2007) 101-110
24. Chaloupka M. Stochastic simulation modelling of southern Great Barrier Reef green turtle population dynamics. Ecol. Model. 148 (2002) 79-109
25. Chaloupka M. Exploring the metapopulation dynamics of the southern Great Barrier Reef green turtle stock and possible consequences of sex-biased local harvesting. In: Akçakaya H., Burgman M., Kindvall O., Wood C., Sjogren-Gulve P., Hattfield J., and McCarthy M. (Eds). Species Conservation and Management: Case Studies (2004), Oxford University Press, New York 340-354
26. Chaloupka M. Using Bayesian belief networks to evaluate the relative risk of fishing gear types on sea turtle stocks. SEAFDEC-FAO Workshop on assessing the relative importance of sea turtle mortality due to fisheries in Southeast Asia 19-23 March 2007, Bangkok, Thailand (2007)
27. Chaloupka M.Y., and Musick J.A. Age, growth, and population dynamics. In: Lutz P.L., and Musick J.A. (Eds). The Biology of Sea Turtles (1997), CRC Press, Boca Raton, Florida 233-273
28. Chaloupka M.Y., and Limpus C.J. Trends in the abundance of sea turtles resident in southern Great Barrier Reef waters. Biol. Conserv. 102 (2001) 235-249
29. Chaloupka M., and Limpus C. Estimates of sex- and age-class-specific survival probabilities for a southern Great Barrier Reef green sea turtle population. Mar. Biol. 46 (2005) 1251-1261
30. Chaloupka M., and Balazs G. Using Bayesian state-space modelling to assess the recovery and harvest potential of the Hawaiian green sea turtle stock. Ecol. Model. 205 (2007) 93-109
31. Chaloupka M., Bjorndal K.A., Balazs G., Bolten A.B., Ehrhart L.M., Limpus C., Suganuma H., Troëng S., and Yamaguchi M. Encouraging outlook for recovery of a once-severely-exploited marine megaherbivore and restoration of its ecological function. Global Ecol. Biogeogr. (2007) doi:10.1111/j.1466-8238.2007.00367 (published online)
32. Chan E.-H. Marine turtles in Malaysia: on the verge of extinction?. Aquat. Ecosys. Health Manag. 9 (2006) 175-184
33. Chan E.-H., and Liew H.-C. Decline of the leatherback population in Terengganu, Malaysia, 1956-1995. Chelonian Conserv. Biol. 2 (1996) 196-203
34. Coulson T., Mace G.M., Hudson E., and Possingham H. The use and abuse of population viability analysis. Trends Ecol. Evol. 16 (2001) 219-221
35. Courchamp F., Clutton-Brock T., and Grenfell B. Inverse density dependence and the Allee effect. Trends Ecol. Evol. 14 (1999) 405-410
36. Crouse D.T., Crowder L.B., and Caswell H. A stage-based population model for loggerhead turtles and implications for their conservation. Ecology 68 (1987) 1412-1423
37. Davis F.R. Saving sea turtles; the evolution of the IUCN Marine Turtle Group. Endeavor 29 (2005) 114-119
38. De Iongh H.H., and Bal D. Harmonization of Red Lists in Europe: some lessons learned the Netherlands when applying the new IUCN Red List Cateories and Criteria version 3.1. Endanger. Species Res. 3 (2007) 53-60
39. Diez C.E., and van Dam R.P. Habitat effect on hawksbill turtle growth rates on feeding grounds at Mona and Monito Islands, Puerto Rico. Mar. Ecol. Prog. Ser. 234 (2002) 301-309
40. Dowie M. Conservation refugees. When protecting nature means kicking people out. Orion (2005) Nov/Dec
41. Dulvy N.K., Ellis J.R., Goodwin N.B., Grant A., Reynolds J.D., and Jennings S. Methods of assessing extinction risk in marine fish. Fish Fish. 5 (2004) 255-276
42. Dutton D.L., Dutton P.H., Chaloupka M., and Boulon R.H. Increase of a Caribbean leatherback turtle Dermochelys coriacea nesting population linked to long-term nest protection. Biol. Conserv. 126 (2005) 186-194
43. Eaton M.A., Gregory R.D., Noble D.G., Robinson J.Z., Hughes J., Procter D., Brown A.F., and Gibbons D.W. Regional IUCN Red Listing: the process as applied to birds in the United Kingdom. Conserv. Biol. 19 (2005) 1557-1570
44. FAO. Papers presented at the expert consultation on interactions between sea turtles and fisheries within an ecosystem context. Rome, 9-12 March 2004. FAO Fisheries Report. No. 738, Suppl. Rome (2004) 238 pp.
45. Fish M.R., Cote I.M., Gill J.A., Jones A.P., Renshoff S., and Watkinson A.R. Predicting the impact of sea-level rise on Caribbean sea turtle nesting habitat. Conserv. Biol. 19 (2005) 482-491
46. Fleming E.H. Swimming Against the Tide: Recent Surveys of Exploitation, Trade, and Management of Marine Turtles in the Northern Caribbean (2001), Traffic North America, Washington D. C. 161 pp
47. Gärdenfors U., Hilton-Taylor C., Mace G.M., and Rodríguez J.P. The application of IUCN Red List Criteria at regional levels. Conserv. Biol. 15 (2001) 1206-1213
48. Gerber L.R., and Demaster D.P. A quantitative approach to Endangered Species Act classification of long-lived vertebrates: application to the North Pacific humpback whale. Conserv. Biol. 13 (1999) 1203-1214
49. Gerber L.R., Keller A.C., and DeMaster D.P. Ten thousand and increasing: is the western Arctic population of bowhead whale endangered?. Biol. Conserv. 137 (2007) 577-583
50. Girondot M., Godfrey M.H., Ponge L., and Rivalan P. Modeling approaches to quantify leatherback nesting trends in French Guiana and Suriname. Chelonian Conserv. Biol. 6 (2007) 37-46
51. Godley B.J., Lima E.H.S.M., Akesson S., Broderick A.C., Glen F., Godfrey M.H., Luschi P., and Hays G.C. Movement patterns of green turtles in Brazilian coastal waters described by satellite tracking and flipper tagging. Mar. Ecol. Prog. Ser. 253 (2003) 279-288
52. Groombridge B., and Luxmoore R. The green turtle and hawksbill (Reptilia: Cheloniidae): world status, exploitation and trade. Secretariat of the Convention on International Trade in Endangered Species of Wild Fauna and Flora, Lausanne, Switzerland (1989) 601 pages
53. Hamazaki T., and Tanno D. Approval of whaling and whaling-related beliefs: public opinion in whaling and non-whaling countries. Hum. Dimens. Wildl. 6 (2001) 131-144
54. Harcourt A.H., and Parks S.A. Threatened primates experience high human densities: adding an index of threat to the IUCN Red List Criteria. Biol. Conserv. 109 (2003) 137-149
55. Hatase H., Goto K., Sato K., Bando T., Matsuzawa Y., and Sakamoto W. Using annual body size fluctuations to explore potential causes for the decline in a nesting population of the loggerhead turtle Caretta caretta at Senri Beach, Japan. Mar. Ecol. Prog. Ser. 245 (2002) 299-304
56. Hays G.C. The implications of variable remigration intervals for the assessment of population size in marine turtles. J. Theor. Biol. 206 (2000) 221-227
57. Hays G.C. Good news for sea turtles. Trends Ecol. Evol. 19 (2004) 349-351
58. Heppell S.S. Application of life-history theory and population model analysis to turtle conservation. Copeia 1998 (1998) 367-375
59. Heppell S.S., Caswell H., and Crowder L.B. Life histories and elasticity patterns: perturbation analysis for species with minimal demographic data. Ecology 81 (2000) 654-665
60. Heppell S.S., Crouse D.T., Crowder L.B., Epperly S.P., Gabriel W., Henwood T., Marquez R., and Thompson N.B. A population model to estimate recovery time, population size, and management impacts on Kemp's ridley sea turtles. Chelonian Conserv. Biol. 4 (2005) 767-773
61. Hoekert W.E.J., Neuféglise H., Schouten A.D., and Menken S.B.J. Multiple paternity and female-biased mutation at a microsatellite locus in the olive ridley sea turtle (Lepidochelys olivacea). Heredity 89 (2002) 107-113
62. Holmes E.E. Estimating risks in declining populations with poor data. Proc. Nat. Acad. Sci. 98 (2001) 5072-5077
63. Horikoshi K., Suganuma H., Tachikawa H., Sato F., and Yamaguchi M. Decline of Ogasawara green turtle population in Japan. In: Bjorndal K.A., Bolten A.B., Johnson D.A., and Eliazar P.J. (Eds). Proceedings of the Fourteenth Annual Symposium on Sea Turtle Biology and Conservation. NOAA Technical Memorandum NMFS-SEFSC-351 (1994) 235-237
64. Hornell J. The Turtle Fisheries of the Seychelles Islands (1927), H.M. Stationery Office, London 55 pp
65. Hughes G.R. Nesting of the leatherback turtle (Dermochelys coriacea) in Tongaland, KwaZulu-Natal, South Africa, 1963-1995. Chelonian Conserv. Biol. 2 (1996) 153-158
66. Isaac N.J.B., Mallet J., and Mace G.M. Taxonomic inflation: its influence on macroecology and conservation. Trends Ecol. Evol. 19 (2004) 464-469
67. IUCN. Animals and Plants Threatened with Extinction I (1963), IUCN Survival Service Commission, Switzerland
68. IUCN. Guidelines for Assessing Taxa with Widely Distributed or Multiple Populations against Criterion A. Developed by the Standards and Petitions Subcommittee. June 2001 (2001)
69. IUCN. Guidelines for Application of IUCN Red List Criteria at Regional Levels: Version 3.0. IUCN Species Survival Commission. IUCN Gland Switzerland and Cambridge, UK (2003) 26 pp.
70. IUCN. Red list of threatened species (2007). http://www.iucnredlist.org
71. Karl S.A., and Bowen B.W. Evolutionary significant units versus geopolitical taxonomy: molecular systematics of an endangered sea turtle (genus Chelonia). Conserv. Biol. 13 (1999) 990-999
72. Kell L.T., Mosqueira I., Grosjean P., Fromentin J.-M., Garcia D., Hillary R., Jardim E., Mardle S., Pastoors M.A., Poos J.J., Scott F., and Scott R.D. FLR: an open-source framework for the evaluation and development of management strategies. ICES J. Mar. Sci. 64 (2007) 640-646
73. Lamoreux J., Akcakaya H.R., Bennun L., Collar N.J., Boitani L., Brackett D., Brautigam A., Brooks T.M., de Fonseca G.A.B., Mittermeier R.A., Rylands A.B., Gärdenfors U., Hilton-Taylor C., Mace G., Stein B.A., and Stuart S. Value of the IUCN Red List. Trends Ecol. Evol. 18 (2003) 214-215
74. Lee P.L.M., and Hays G.C. Polyandry in a marine turtle: females make the best of a bad job. Proc. Natl. Acad Sci. U.S.A. 101 (2004) 6530-6535
75. Limpus C.J., and Nicholls N. The Southern Oscillation regulates the annual numbers of green turtles (Chelonia mydas) breeding around northern Australia. Aust. J. Wildl. Res. 15 (1988) 157-161
76. Limpus C.J., Miller J.D., Parmenter C.J., and Limpus D.J. The green turtle, Chelonia mydas, population of Raine Island and the northern Great Barrier Reef, 1843-2001. Mem. Queensl. Mus. 49 (2003) 349-440
77. Mace G.M. The role of taxonomy in species conservation. Philos. Trans. R. Soc. Lond., B Biol. Sci. 359 (2004) 711-719
78. Mace G.M. Biodiversity - an index of intactness. Nature (News and Views) 434 (2005) 32-33
79. Mace G.M., Possingham H.P., and Leader-Williams N. Prioritizing choices in conservation. In: Macdonald D., and Service K. (Eds). Key Topics in Conservation Biology (2006), Blackwell Publishing, Oxford, UK 17-34
80. Marcovaldi M.A., and Chaloupka M. Conservation status of the loggerhead sea turtle in Brazil: an encouraging outlook. Endanger. Species Res. 3 (2007) 133-143
81. Marcovaldi M.A., Lopez G.G., Soares L.S., Santos A.J.B., Bellini C., and Barata P.C.R. Fifteen years of hawksbill (Eretmochelys imbricata) sea turtle nesting in northern Brazil. Chelonian Conserv. Biol. 6 2 (2007) 223-228
82. Marsh H., Dennis A., Hines H., Kutt A., McDonald K., Weber E., Williams S., and Winter J. Optimizing allocation of management resources for wildlife. Conserv. Biol. 21 (2007) 387-399
83. Mast R.B., Seminoff J.A., Hutchinson B.J., and Pilcher N.J. The role of IUCN Marine Turtle Specialist Group in setting priorities for sea turtle conservation. Mar. Turt. Newsl. 113 (2006) 16-18
84. Mast R.B., Bailey L.M., Hutchinson B.J., and Rowe M.S. The State of the World's Sea Turtles Report vol. 1 (2006), Conservational International, Washington, D.C. 40 pp
85. Mast R.B., Bailey L.M., Hutchinson B.J., Hutchinson A., Koenig K., and Rowe M.S. The State of the World's Sea Turtles Report vol. 2 (2007), Conservational International, Washington, D.C. 48 pp
86. Mazaris A.D., Fiksen O., and Matsinos Y.G. Using an individual-based model for assessment of sea turtle population viability. Pop. Ecol. 47 (2005) 179-191
87. McClenachan L., Jackson J.B.C., and Newman M.J.H. Conservation implications of historic nesting beach loss. Front. Ecol. Environ. 4 (2006) 290-296
88. Meylan A.B., and Donnelly M. Status justification for the listing of the hawksbill turtle (Eretmochelys imbricata) as critically endangered on the 1996 IUCN Red List of Threatened Animals. Chelonian Conserv. Biol. 3 (1999) 201-224
89. Miller J.D. Reproduction in sea turtles. In: Musick J.A., and Lutz P.L. (Eds). The Biology of Sea Turtles (1997), CRC Press, Boca Raton, Florida 51-82
90. Miller R.M., Rodríguez J.P., Aniskowicz-Fowler T., Bambaradeniya C., Boles R., Eaton M.A., Gärdenfors U., Keller V., Molur S., Walker S., and Pollock C. National Threatened species listing based on IUCN Criteria and regional guidelines: current status and future perspectives. Conserv. Biol. 21 (2007) 684-696
91. Morris W.F., Bloch P.L., Hudgens B.R., Moyle L.C., and Stinchcombe J.R. Population viability analysis in endangered species recovery plans: past use and future improvements. Ecol. Appl. 12 (2002) 708-712
92. Mortimer, J.A., 1991. Recommendations for the management of marine turtle populations of Pulau Sipadan, Sabah. Final Report to WWF Malaysia, Project No. 3868. 36 pp.
93. Mortimer, J.A., Donnelly, M., in review. MTSG Red List assessment of the global status of hawksbill turtles (Eretmochely imbricata).
94. Musick J.A. Criteria to define extinction risk in marine fishes. Fisheries 24 (1999) 6-14
95. Mrosovsky N. Hype. Mar. Turt. Newsl. 96 (2002) 1-4
96. Mrosovsky N. Predicting extinction: fundamental flaws in the IUCN's Red List system, exemplified by the case of sea turtles. (2003), University of Toronto Press, Toronto, Ontario, Canada. http://members.seaturtle.org/mrosovsky http://members.seaturtle.org/mrosovsky
97. Mrosovsky N. Does the Mediterranean green turtle exist?. Mar. Turt. Newsl. 111 (2006) 1-2
98. Naro-Maciel E., and Formia A. Sea turtle subpopulations and the IUCN Red List: a complementary role for conservation genetics. Mar. Turt. Newsl. 114 (2006) 6-8
99. National Marine Fisheries Service and U.S. Fish and Wildlife Service. Recovery Plans for U.S. Pacific Populations of Marine Turtles (1998), National Marine Fisheries Service, Silver Spring, MD
100. Ocean Wildlife Campaign. The Forgotten Giants: giant ocean fishes of the Atlantic and Pacific. Ocean Wildlife Campaign (1997) Washington, D.C.
101. Parsons J.J. The Green Turtle and Man (1962), University of Florida Press, Gainesville 126 pp
102. Parsons J.J. The hawksbill turtle and the tortoise shell trade. Études de géographie tropicale offertes a Pierre Gourou (1972), Mouton, Paris 45-60
103. Pauly D. Anecdotes and the shifting baseline syndrome of fisheries. Trends Ecol. Evol. 10 (1995) 430
104. Pianka E.R. Evolutionary Ecology (1974), Harper and Row, New York 356 pp.
105. Piet G.J., and Rice J.C. Performance of precautionary reference points in providing management advice on North Sea fish stocks. ICES J. Mar. Sci. 61 (2004) 1305-1312
106. Possingham H.P., Andelman S.J., Burgman M.A., Medellín R.A., Master L.L., and Keith D.A. Limits to the use of threatened species lists. Trends Ecol. Evol. 17 (2002) 503-508
107. Pritchard P.C.H. Status of the black turtle. Conserv. Biol. 13 (1999) 1000-1003
108. Pritchard P.C.H. Global status of sea turtles: an overview. Document INF-001 prepared for Inter-American Convention for the Protection and Conservation of SeaTurtles, First Conference of the Parties (COP1IAC), First Part 6-8 August, 2002 (2002)
109. Reiman B.E., and Allendorf F.W. Effective population size and genetic conservation criteria for Bull Trout. North Am. J. Fish. Manage. 21 (2001) 756-764
110. Rice J.C., and Legace I. When control rules collide: a comparison of fisheries management reference points and IUCN criteria for assessing risk of extinction. ICES J. Mar. Sci. 64 (2007) 718-722
111. Richardson J.I., Hall D.B., Mason P.A., Andrews K.M., Bjorkland R., Cai Y., and Bell R. Eighteen years of saturation tagging data reveal a significant increase in nesting hawksbill sea turtles (Eretmochelys imbricata) on Long Island, Antigua. Anim. Conserv. 9 (2006) 302-307
112. Rittel H.W.J., and Webber M.M. Dilemnas in a general theory of planning. Policy Sci. 4 (1973) 155-169
113. Rivalan P., Dutton P.H., Baudry E., Roden S.E., and Girondot M. Demographic scenario inferred from genetic data in leatherback turtles nesting in French Guiana and Suriname. Biol. Conserv. 130 (2006) 1-9
114. Roman J., and Palumbi S.R. Whales before whaling in the North Atlantic. Science 301 (2003) 508-510
115. Saba V.S., Santidrian-Tomillo P., Reina R.D., Spotila J.R., Musick J.A., Evans D.A., and Paladino F.V. The effect of the El Niño Southern Oscillation on the reproductive frequency of eastern Pacific leatherback. J. Appl. Ecol. 44 (2007) 395-404
116. Santidrián Tomillo P., Vélez E., Reina R.D., Piedra R., Paladino F.V., and Spotila J.R. Reassessment of the leatherback turtle (Dermochelys coriacea) nesting population at Parque Nacional Marino Las Baulas, Costa Rica: effects of conservation efforts. Chelonian Conserv. Biol. 6 (2007) 54-61
117. Sarti Martínez L., Barragán A.R., García Muñoz D., García N., Huerta P., and Vargas F. Conservation and biology of the leatherback turtle in the Mexican Pacific. Chelonian Conserv. Biol. 6 (2007) 70-78
118. Schroeder B., and Murphy S. Population surveys (ground and aerial) on nesting beaches. In: Eckert K.L., Bjorndal K.A., Abreu-Grobois F.A., and Donnelly M. (Eds). Research and Management Techniques for the Conservation of Sea Turtles. IUCN/SSC Marine Turtle Specialist Group Publication vol. 4 (1999) 45-55
119. Seminoff J.A. MSTG global assessment of green turtles (Chelonia mydas) for the IUCN Red List. IUCN Species Survival Commission, April 2004 (2004). http://www.iucn-mtsg.org/red_list/cm/MTSG_Chelonia_mydas_Assessment_Apri l-2004.pdf http://www.iucn-mtsg.org/red_list/cm/MTSG_Chelonia_mydas_Assessment_Apri l-2004.pdf
120. Seminoff J.A. Guest Editorial: sea turtles, Red Listing, and the need for regional assessments. Mar. Turt. Newsl. 106 (2004) 4-6
121. Seminoff J.A., Jones T.T., Resendiz A., Nichols W.J., and Chaloupka M.Y. Monitoring green turtles (Chelonia mydas) at a coastal foraging area in Baja California, Mexico: multiple indices to describe population status. J. Mar. Biol. Assoc. UK 83 (2003) 1355-1362
122. Shanker K., Pandav B., and Choudhury B.C. An assessment of olive ridley (Lepidochelys olivacea) nesting population in Orissa, India. Biol. Conserv. 115 (2004) 149-160
123. Sheldon K.E., DeMaster D.P., Rugh D.J., and Olson A.M. Developing a classification criterion under the U.S. Endangered Species Act: Bowhead whales as a case study. Conserv. Biol. 15 (2001) 1300-1307
124. Shrader-Frechette K., and McCoy E.D. Molecular systematics, ethics, and biological decision making under uncertainty. Conserv. Biol. 13 (1999) 1008-1012
125. Spotila J.R., Reina R.D., Steyermark A.C., Plotkin P.T., and Paladino F.V. Pacific leatherback turtles face extinction. Nature 405 (2000) 529-530
126. Taylor B.L. The reliability of using population viability analysis for risk classification of species. Conserv. Biol. 9 (1995) 551-558
127. Thome J.C.A., Baptistotte C., Moreira L.M.P., Scalfoni J.T., Almeida A.P., Rieth D.B., and Barata P.C.R. Nesting biology and conservation of the leatherback sea turtle (Dermochelys coriacea) in the State of Espírito Santo, Brazil, 1988-1989 to 2003-2004. Chelonian Conserv. Biol. 6 (2007) 15-27
128. Troëng S., and Rankin E. Long-term conservation efforts contribute to positive green turtle Chelonia mydas nesting trend at Tortuguero, Costa Rica. Biol. Conserv. 121 (2005) 111-116
129. Troëng S., and Chaloupka M. Variation in adult annual survival probability and remigration intervals of sea turtles. Mar. Biol. 151 (2007) 1721-1730
130. Vidya T.N.C., Fernando P., Melnick D.J., and Sukumar R. Population genetic structure and conservation of Asian elephant (Elephas maximus) across India. Anim. Conserv. 8 (2005) 377-388
131. Webb G.J.W., and Carillo E. Risk of extinction and categories of endangerment: perspectives from long-lived reptiles. Pop. Ecol. 42 (2000) 11-17
132. Whiting, A., in review. MSTG global assessment of the flatback turtle (Natator depressus) for the IUCN Red List. Draft review submitted to MTSG Assessment Steering Committee.
133. Wilcove D.S., McMillan M., and Winston K.C. What exactly is an endangered species? An analysis of the Endangered Species List, 1985-1992. Conserv. Biol. 7 (1993) 87-93
134. Zbinden J.A., Largiader C.R., Leippert F., Margaritoulis D., and Arlettaz R. High frequency of multiple paternity in the largest rookery of Mediterranean loggerhead sea turtles. Mol. Ecol. 16 (2007) 3703-3711