Population density and seasonal activity of the threatened Madagascar spider tortoise (Pyxis arachnoides arachnoides) of the southern dry forests; South West Madagascar

African Journal of Ecology

Volumn 46, Issue 1, 2008, Pages 67-73

  Walker, Ryan C J ^a,c   Woods Ballard, Andy J ^a,b   Rix, Charlotte E ^a,b  

^a Society for Environmental Exploration   (United Kingdom)

^b GVI   (United Kingdom)

^c Nautilus Ecology   (United Kingdom)

Author keywords

Madagascar; Pyxis arachnoides; Southern dry forest

Indexed keywords

ABUNDANCE; ACTIVITY PATTERN; DRY FOREST; HABITAT FRAGMENTATION; POPULATION DENSITY; SEASONAL VARIATION; TURTLE;

ANAKAO; INDIAN OCEAN; INDIAN OCEAN ISLANDS; MADAGASCAR; TOLIARA;

ARANEAE; PYXIS; PYXIS ARACHNOIDES; PYXIS ARACHNOIDES ARACHNOIDES;

EID: 38849114911     PISSN: 01416707     EISSN: 13652028     Source Type: Journal    
DOI: 10.1111/j.1365-2028.2007.00811.x     Document Type: Article

References (16)

1. Behler, J. (2000) Letter from the IUCN tortoise and freshwater turtle specialist group. Turtle and Tortoise Newsl. 1, 4 5.
2. Behler, J. (2002) Madagascar tortoise crisis: Letter to CITES animal committee and concerned parties, 9 January 2002. Turtle and Tortoise Newsl. 5, 18 19.
3. Berry, K.H. (2002) Using growth ring counts to age juvenile desert tortoises (gopherus agassizii) in the wild. Chelonian Conserv. Biol. 4, 416 424.
4. Bour, R. (1981) Étude systématique du genre endémique Malagache Pyxis Bell, 1827 (Reptilia, Chelonii). Bulletin Mensuel de la Société Linnéenne de Lyon. 50, 132 176.
5. Davis, S.D., Heywood, V.H. Hamilton, A.C. (1994) Centres of Plant Diversity, A Guide and Strategy for their Conservation. WWF and IUCN, Oxford, UK.
6. Du Puy, D.J. Moat, J.F. (1996) A refined classification of the primary vegetation of Madagascar based on the underlying geology: using GIS to map its distribution and to assess its conservation status. In : Proceedings of the International Symposium on the Biogeography of Madagascar (Ed. W. R. Lourenço). + 3 maps. Editions de l'ORSTOM, Paris.
7. Durrell, L., Groombridge, B., Tonge, S. Bloxam, D.Q. (1989) Pyxis arachnoides, Madagascar Spider Tortoise; Tsakafy; Kapila. In : Occasional Papers of the IUCN Species Survival Commission (Eds I. R. Swingland M. W. Klemens). The conservation biology of Tortoises. no. 5, Gland, Switzerland.
8. Germano, D.J. (1998) Scute and age determination of desert tortoises revisited. Copeia 2, 482 484.
9. IUCN (2002) IUCN Red List of threatened Species. IUCN, Gland, Switzerland.
10. Jesu, R. Schimmenti, G. (1995) A preliminary study on the status of a population of Malagasy Spider tortoise (Pyxis arachnoides Bell, 1927) from SW Madagascar. In : International Congress of Chelonian Conservation (Ed. B. Devaux). Gonfaron, France. 6th-10th. July 1995.
11. Jolly, A., Oberlé, P. Albignac, R. (1984) Key Environments: Madagascar. Pergamon Press, Oxford.
12. Peterson, C.C. (2002) Temporal, population, and sexual variation in hematocrit of free-living desert tortoises: correlational tests of causal hypotheses. Can. J. Zool. 80, 461 470.
13. Phillipson, P.B. (1996) Endemism and non-endemism in the flora of south-west Madagascar. In : Biogéographie de Madagascar (Ed. W. R. Lourenço). Editions de l'ORSTOM, Paris.
14. Raxworthy, C.J. Nussbaum, R.A. (2000) Extinction and extinction vulnerability of amphibians and reptiles in Madagascar. Amphib. Reptile Conserv. 2, 15 23.
15. Seddon, N., Tobias, J., Yount, J.W., Ramanampamonjy, J.R., Butchart, S. Randrianizahana, H. (2000) Conservation issues and priorities in the Mikea Forest of South-west Madagascar. Oryx 34, 287 304.
16. Walker, R.C.J., Rix, C.E. Woods-Ballard, A.J. (2004) The legal and illegal trade in the Madagascar spider tortoise Pyxis arachnoides, for the exotic pet trade. Herpetol. Bull. 90, 2 9.