The decline of the critically endangered northern Madagascar spider tortoise (Pyxis arachnoides brygooi)

Herpetologica

Volumn 66, Issue 4, 2010, Pages 411-417

  Walker, Ryan C J ^a,b  

^a Nautilus Ecology   (United Kingdom)

^b OPEN UNIVERSITY   (United Kingdom)

Author keywords

Chelonian; Madagascar; Pyxis arachnoides brygooi; Range fragmentation; Tortoise

Indexed keywords

COASTAL ZONE; CONSERVATION MANAGEMENT; DATABASE; ENDANGERED SPECIES; ENDEMIC SPECIES; GIS; HABITAT FRAGMENTATION; HABITAT LOSS; LINE TRANSECT; MARINE ECOSYSTEM; POACHING; POPULATION DECLINE; PROTECTED AREA; TURTLE;

MADAGASCAR;

ARANEAE; PYXIS; PYXIS ARACHNOIDES BRYGOOI; TESTUDINES;

EID: 78649881324     PISSN: 00180831     EISSN: None     Source Type: Journal    
DOI: 10.1655/09-047.1     Document Type: Article

References (27)

1. APONTE, C., G. R. BARRETO, AND J. TERBORGH. 2003. Consequences of habitat fragmentation on age structure and life history in a tortoise population. Biotropica 35:550-555.
2. BOUR, R. 1981. Etude systématique du genre endémique Malagache Pyxis Bell, 1827 (Reptilia,Chelonii). Bulletin Mensuel de la Société Linnéenne de Lyon 50: 154-176.
3. BUCKLAND, S. T., D. R. ANDERSON, K. P. BURNHAM, AND J. L. LAAKE. 2001. Distance Sampling: Estimating Abundance of Biological Populations. Chapman & Hall, London, UK.
4. CHIARI, Y., M. THOMAS, M. PEDRONO, AND D. R. VEITES. 2005. Preliminary data on genetic differentiation within the Madagascar spider tortoise, Pyxis arachnoides (Bell, 1827). Salamandra 41:35-43.
5. DOMERGUE, C. A. 1983. Note préliminaire en vue de la mise en réserve de la forêt du P. K. 32 au nord de Tuléar Madagascar. Bulletin de l'Académie Malgache 61:105-114.
6. DURRELL, L., B. S. GROOMBRIDGE, S. TONGE, AND D. Q. BLOXAM. 1989. Pyxis arachnoides, Madagascar spider tortoise; Tsakafy; Kapila. Pp. 103-104. In I. R. Swing-land and M. W. Klemens (Eds.), Occasional Papers of the IUCN Species Survival Commission. The Conservation Biology of Tortoises no. 5. Gland, Switzerland.
7. EUBANKS, J. O., W. K. MICHENER, AND C. GUYER. 2003. Patterns of movement and burrow use in a population of gopher tortoises (Gopherus polyphemus). Herpeto-logica 59:311-321.
8. GANZHORN, J., B. RAKOTOSAMIMANANA, L. HANNAH, J. HOUGH, L. IYER, S. OLIVIERI, R. RAJAOBELINA, C. RODSTROM, AND G. TILKIN. 1997. Priorities for conservation in Madagascar. Primate Report (Special Issue) 48(1).
9. GUTERMAN, L. 2006. Endangered by research: Poachers mine the scientific literature for the locations of newly discovered animals. The Chronicle of Higher Education 52:A12.
10. JESU, R., AND G. SCHIMMENTI. 1995. A preliminary study on the status of a population of Malagasy spider tortoise Pyxis arachnoides Bell, 1927 from SW Madagascar. Pp. 144-147. In B. Devaux (Ed.), International Congress of Chelonian Conservation, 6th-10th July 1995. Gonfaron, France.
11. KREMEN, C. A., C. A. MOILANEN, S. J. PHILLIPS, C. D. THOMAS, H. BEENTJE, J. DRANSFIELD, B. L. FISHER, F. GLAW, T. C. GOOD, G. J. HARPER, R. J. HIJMANS, D. C. LEES, E. LOUIS, JR., R. A. NUSSBAUM, C. J. RAXWORTHY, A. RAZAFIMPAHANANA, G. E. SCHATZ, M. VENCES, D. R. VIEITES, P. WRIGHT, AND C. ZJHRA. 2008. Aligning conservation priorities across taxa in Madagascar with high-resolution planning tools. Science 320:222-226.
12. LEUTERITZ, T., AND R. WALKER. 2008. Pyxis arachnoides. In IUCN 2009, IUCN Red List of Threatened Species. Version 2009.1. Available at: http://www.iucnredlist.org. Accessed: June 22, 2009.
13. MITTERMEIER, R. A., F. HAWKINS, S. RAJAOBELINA, AND O. LANGRAND. 2005. Wilderness conservation in a biodiversity hotspot. International Journal of Wilderness 11:42-45.
14. MROSOVSKY, N., AND M. H. GODFREY. 2008. The path from grey literature to red lists. Endangered Species Research 6:185-191.
15. NICOLL, M. E., AND O. LANGRAND. 1989. Madagascar: Revue de la Conservation et des Aires Protegees. WWF Report, Gland, Switzerland.
16. O'BRIEN, S., E. R. EMAHALALA, V. BEARD, R. M. RAKOTON-DRAINY, A. REID, V. RAHARISOA, AND T. COULSON. 2003. Decline of the Madagascar radiated tortoise (Geoche-lone radiata) due to overexploitation. Oryx 37:338-343.
17. PEDRONO, M. 2008. The Tortoises and Turtles of Madagascar. Natural History Publications (Borneo), Kota Kinabalu, Malaysia.
18. RABEARIVONY, J., R. THORSTROM, L. A. RENE DE ROLAND, M. RAKOTONDRATSIMA, T. R. A. ANDRIAMALALA, T. S. SAM, G. RAZAFIMANJATO, D. RAKOTONDRAVONY, A. P. RASELIMA-NANA, AND M. RAKOTOSON. 2010. Protected area surface extension in Madagascar: Do endemism and threatened species remain useful criteria for site selection? Madagascar Conservation and Development 5:35-47.
19. RAXWORTHY, C., AND R. NUSSBAUM. 2000. Extinction and extinction vulnerability of amphibians and reptiles in Madagascar. Amphibian and Reptile Conservation 2:15-23.
20. SEDDON, N., J. TOBIAS, J. W. YOUNT, J. R. RAMANAMPA-MONJY, S. BUTCHART, AND H. RANDRIANIZAHANA. 2000. Conservation issues and priorities in the Mikea Forest of south-west Madagascar. Oryx 34:287-304.
21. SMITH, L. L., D. REID, R. BOUROU, J. MAHATOLY, AND C. SIBO. 1999. Status and distribution of the angonoka tortoise Geochelone yniphora of western Madagascar. Biological Conservation 91:23-33.
22. STUART, B. L., A. G. J. RHODIN, L. L. GRISMER, AND T. HANSEL. 2006. Scientific description can imperil species. Science 312:1137.
23. SUSSMAN, R. W., AND A. RAKOTOZAFY. 1994. Plant diversity and structural analysis of a tropical dry forest in southwestern Madagascar. Biotropica 26:241-254.
24. WALKER, R. C. J. 2009. The spider tortoise (Pyxis arachnoides): Madagascar's forgotten species? Testudo 7:77-84.
25. WALKER, R. C. J., C. E. RIX, AND A. J. WOODS-BALLARD. 2004. The export of the endangered Madagascar spider tortoise Pyxis arachnoides to support the exotic pet trade. Herpetological Bulletin 90:2-9.
26. WALKER, R. C. J., A. J. WOODS-BALLARD, AND C. E. RIX. 2007. Population density and seasonal activity of the threatened Madagascar spider tortoise Pyxis ara-chnoides arachnoides of the southern dry forests; south west Madagascar. African Journal of Ecology 46:67-73.
27. YOUNG, R. P., A. TOTO VOLAHY, R. BOUROU, R. LEWIS, J. DURBIN, AND J. E. FA. 2008. Estimating the population of the endangered flat-tailed tortoise Pyxis planicauda in the deciduous, dry forest of western Madagascar: A monitoring baseline. Oryx 42:252-257.