Energetics and water flux in a semiaquatic lizard, Varanus mertensi

Copeia

Volumn , Issue 2, 1996, Pages 354-362

  Christian, Keith A ^a   Weavers, Brian W ^b   Green, Brian ^c   Bedford, Gavin S ^a  

^a CHARLES DARWIN UNIVERSITY   (Australia)

^b Dep of Urban Affairs and Planning   (Australia)

^c CSIRO   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMALIA; IGUANIDAE; SQUAMATA; VARANIDAE; VARANUS MERTENSI;

EID: 0030438191     PISSN: 00458511     EISSN: None     Source Type: Journal    
DOI: 10.2307/1446851     Document Type: Article

References (38)

1. ANDERSON, R. A., AND W. H. KARASOV. 1981. Contrasts in energy intake and expenditure in sit-and-wait and widely foraging lizards. Oecologia 49:67-72.
2. ANDREWS, R. M., AND F. H. POUGH. 1985. Metabolism of squamate reptiles: allometric and ecological relationships. Physiol. Zool. 58:214-231.
3. BELL, G. P. 1990. Birds and mammals on an insect diet: a primer on diet composition analysis in relation to ecological energetics, p. 416-422. In: Studies in avian biology. Vol. 13. M. L. Morrison, C. J. Ralph, J. Verner, and J. R. Jehl Jr. (eds.). Cooper Ornithological Society, Lawrence, KS.
4. BENABIB, M., AND J. D. CONGDON. 1992. Metabolic and water-flux rates of free-ranging tropical lizards Sceloporus variabilis. Physiol. Zool. 65:788-802.
5. CHRISTIAN, K. A., AND K. E. CONLEY. 1994. Activity and resting metabolism of varanid lizards as compared to "typical" lizards. Aust. J. Zool. 42:185-193.
6. _, AND B. GREEN. 1994. Seasonal energetics and water turnover of the frillneck lizard, Chlamydosaurus kingii, in the wet-dry tropics of Australia. Herpetologica 50:274-281.
7. _, AND B. W. WEAVERS. 1994. Analysis of the activity and energetics of the lizard Varanus rosenbergi. Copeia 1994:289-295.
8. _, AND _. 1996. Thermoregulation of monitor lizards in Australia: an evaluation of methods in thermal biology. Ecol. Monog. 66:In press.
9. _, L. K. CORBETT, B. GREEN, AND B. W. WEAVERS. 1995. Seasonal activity and energetics of two species of varanid lizards in tropical Australia. Oecologia 103:349-357.
10. CONGDON, J. D., AND D. W. TINKLE. 1982. Energy expenditure in free-ranging sagebrush lizards (Sceloporus graciosus). Can. J. Zool. 60:1412-1416.
11. DAWSON, W. R., G. A. BARTHOLOMEW, AND A. F. BENNETT. 1977. A reappraisal of the aquatic specializations of the Galapagos marine iguana (Amblyrhynckus cristatus). Evolution 31:891-897.
12. DRYDEN, G., B. GREEN, D. KING, AND J. LOSOS. 1990. Water and energy turnover in a small monitor lizard, Varanus acanthurus. Aust. Wildl. Res. 17:641-646.
13. _, _, E. D. WIKRAMANAYAKE, AND K. G. DRYDEN. 1992. Energy and water turnover in two tropical varanid lizards, Varanus bengalensis and V. salvator. Copeia 1992:102-107.
14. DUNSON, W. A. 1969. Electrolyte excretion by the salt gland of the Galapagos marine iguana. Am. J. Physiol. 216:995-1002.
15. GREEN, B. 1972. Water loss of the sand goanna (Varanus gouldii) in its natural environments. Ecology 53:453-457.
16. _, G. DRYDEN, AND K. DRYDEN. 1991a. Field energetics of a large carnivorous lizard, Varanus rosenbergi. Oecologia 88:547-551.
17. _, D. KING, M. BRAYSHER, AND A. SAIM. 1991b. Thermoregulation, water turnover, and energetics of free-living Komodo dragons, Varanus komodoensis. Comp. Biochem. Physiol. 99:97-101.
18. _, _, AND H. BUTLER. 1986. Water, sodium and energy turnover in free-living perenties, Varanus giganteus. Aust. Wildl. Res. 13:589-595.
19. GREER, A. E. 1989. The biology and evolution of Australian lizards. Surrey Beatty and Sons, Chipping Norton, New South Wales, Australia.
20. KING, D. R. 1991. The effect of body size on the ecology of varanid lizards. Mertensiella 2:204-210.
21. LIFSON, N., AND R. MCCLINTOCK. 1966. Theory of the use of turnover rates of body water for measuring energy and material balance. J. Theor. Biol. 12:46-74.
22. LONG, S. P., AND C. R. IRELAND. 1985. The measurement and control of air and gas flow rates for the determination of gaseous exchanges of living organisms, p. 123-137. In: Instrumentation for environmental physiology. B. Marshall and F. I. Woodward (eds.). Cambridge Univ. Press, Cambridge.
23. MERKER, G. P., AND K. A. NAGY. 1984. Energy utilization by free-ranging Sceloporus virgatus lizards. Ecology 65:575-581.
24. 2 production in animals: analysis of potential errors in the doubly labeled water method. Amer. J. Physiol. 238:R466-R473.
25. _. 1982a. Energy requirements of free-living iguanid lizards, p. 47-59. In: Iguanas of the world: their behavior, ecology, and conservation. G. M. Burghardt and A. S. Rand (eds.). Noyes, Park Ridge, NJ.
26. _. 1982b. Field studies of water relations, p. 483-501. In: Biology of the Reptilia. Vol. 12. C. Gans and F. H. Pough (eds.). Academic Press, New York.
27. _, AND D. P. COSTA. 1980. Water flux in animals: analysis of potential errors in the tritiated water method. Amer. J. Physiol. 238:R454-R465.
28. _, AND V. H. SHOEMAKER. 1984. Field energetics and food consumption of the Galapagos marine iguana, Amblyrhynchus cristatus. Physiol. Zool. 57: 281-290.
29. _, R. B. HUEY, AND A. F. BENNTETT. 1984. Field energetics and foraging mode of Kalahari Lacertid lizards. Ecology 65:588-596.
30. PETERSON, C. C., K. A. NAGY, AND J. DIAMOND. 1990. Sustained metabolic scope. Proc. Natl. Acad. Sci. USA 87:2324-2328.
31. ROBINSON, M. D. 1990. Summer field energetics of the Namib desert dune lizard Aporosaura anchietae (Lacertidae), and its relation to reproduction. J. Arid Envir. 18:207-215.
32. SHINE, R. 1986. Food habits, habitats, and reproductive biology of four sympatric species of varanid lizards in tropical Australia. Herpetologica 42:346-360.
33. SHOEMAKER, V. H., AND K. A. NAGY. 1984. Osmo-regulation in the Galapagos marine iguana, Amblyrhynchus cristatus. Physiol. Zool. 57:291-300.
34. TAYLOR, J. A., AND D. TULLOCH. 1985. Rainfall in the wet-dry tropics: extreme events at Darwin and similarities between years during the period 1870-1983 inclusive. Aust. J. Ecol. 10:281-295.
35. VAN MARKEN LICHTENBELT, W. D., R. A. WESSELINGH, J. T. VOGEL, AND K. B. M. ALBERS. 1993. Energy budgets in free-living green iguanas in a seasonal environment. Ecology 74:1157-1172.
36. VERNET, R., M. LEMIRE, AND C. GRENOT. 1988. Field studies on activity and water balance of a desert monitor Varanus griseus (Reptilia, Varanidae). J. Arid Envir. 15:81-90.
37. WEAVERS, B. W. 1983. Thermal biology of Varanus vartus (Shaw), the lace monitor. Unpubl. Ph.D. diss., Australian National Univ., Canberra.
38. 2, and evaporative water loss with a flow-through mask. J. Appl. Physiol. 42:120-123.