Patch use by gerbils in a risky environment: Manipulating food and safety to test four models

Oikos

Volumn 78, Issue 2, 1997, Pages 274-282

  Kotler, Burt P ^a  

^a BEN GURION UNIVERSITY OF THE NEGEV   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

BARN OWL; GERBIL; PATCH USE; PREDATION RISK;

GERBILLUS ALLENBYI; GERBILLUS PYRAMIDUM; TYTO ALBA;

EID: 0030620419     PISSN: 00301299     EISSN: None     Source Type: Journal    
DOI: 10.2307/3546294     Document Type: Article

References (46)

1. Abrams, P. A. 1982. Functional responses of optimal foragers. - Am. Nat. 120: 382-390.
2. _ 1984. Foraging time optimization and interactions within food webs. - Am. Nat. 124: 80-96.
3. _ 1987. The functional responses of adaptive consumers of two resources. - Theor. Popul. Biol. 33: 262-288.
4. Abramsky, Z., Brand, S. and Rosenzweig, M. L. 1985. Geographical ecology of gerbilline rodents in sand dune habitats of Israel. - J. Biogeogr. 12: 363-372.
5. _ , Rosenzweig, M. L., Pinshow, B., Brown, J. S., Kotier, B. P. and Mitchell, W. A. 1990. Habitat selection: an experimental field test with two gerbil species. - Ecology 71: 2358-2369.
6. _ , Vaginsky, E., Subach, A., Kotler, B. P. and Reichman, A. 1996. The effect of barn owls (Tyto alba) on the activity and microhabitat selection of Gerbillus allenbyi and G. pyramidum. - Oecologia 105: 313-319.
7. Bar, Y., Abramsky, Z. and Gutterman, Y. 1985. Diet of gerbilline rodents of the Israeli desert. - J. Arid. Environ. 7: 371-376.
8. Best, L. S. and Bierzychudek, P. 1982. Pollinator foraging on foxglove (Digitalis purpurea): a test of a new model. -Evolution 36: 70-79.
9. Bowers, M. A. 1990. Exploitation of seed aggregates by Merriam's kangaroo rat: harvesting rates and predatory risk. -Ecology 71: 2334-2344.
10. Brown, J. S. 1988. Patch use as an indicator of habitat preference, predation risk, competition. - Behav. Ecol. Sociobiol. 22: 37-47.
11. _ 1992. Patch use under predation risk: I. Models and predictions. - Ann. Zool. Fenn. 29: 301-309.
12. _ and Mitchell, W. A. 1989. Diet selection on depletable resources. - Oikos 54: 33-43.
13. _ , Kotler, B. P., Smith, R. J. and Wirtz, W. O. II. 1988. The effects of owl predation on the foraging behavior of heteromyid rodents. - Oecologia 76: 408-415.
14. _ , Morgan, R. A. and Dow, B. D. 1992. Patch use under predation risk: II. a test with fox squirrel. - Ann. Zool. Fenn. 29: 311-318.
15. _ , Kotler, B. P. and Valone, T. J. 1994. Foraging under predation: a comparison of energetic and predation costs in rodent communities of the Negev and Sonoran deserts. -Aust. J. Zool. 42: 435-448.
16. Charnov, E. L. 1976. Optimal foraging, the marginal value theorem. - Theor. Popul. Biol. 9: 129-136.
17. Cowie, R. J. 1977. Optimal foraging in great tits (Parus major). - Nature 268: 137-139.
18. Gilliam, J. F. and Fraser, D. F. 1987. Habitat selection under predation hazard: a test of a model with foraging minnows. - Ecology 68: 1856-1862.
19. _ and Fraser, D. F. 1988. Resource depletion and habitat segregation by competitors under predation hazard. - In: Ebenman, B. and Persson, L. (eds), Size-structured populations: ecology and evolution. Springer-Verlag, New York, pp. 173-184.
20. Giraldeau L. A. and Kramer, D. 1982. The marginal value theorem: a quantitative test using load size variation in a central place forager, the eastern chipmunk, Tamias striatus. - Anim. Behav. 30: 1036-1042.
21. Hodges, C. M. and Wolfe, L. L. 1981. Optimal foraging bumblebees: why is nectar left behind in flowers? - Behav. Ecol. Sociobiol. 9: 41-44.
22. Holling, C. S. 1965. The functional response of predators to prey density and its role in mimicry and population regulation. - Mem. Entomol. Soc. Can. 45: 1-60.
23. Kotler, B. P. 1984. Predation risk and the structure of desert rodent communities. - Ecology 65: 689-701.
24. _ 1992. Behavioral resource depression, decaying perceived risk of predation in two species of coexisting gerbils. -Behav. Ecol. Sociobiol. 30: 239-244.
25. _ and Brown, J. S. 1990. Harvest rates of two species of gerbilline rodents. - J. Mammal. 71: 591-596.
26. _ , Brown, J. S., Smith, R. J. and Wirtz, W. O. II. 1988. The effects of morphology and body size on rates of owl predation on desert rodents. - Oikos 53: 145-52.
27. _ , Brown, J. S. and Hasson, O. 1991. Owl predation on gerbils: the role of body size, illumination, and habitat structure on rates of predation. - Ecology 72: 2249-2260.
28. _ , Blaustein, L. and Brown, J. S. 1992. Predator facilitation: the combined effect of snakes and owls on the foraging behavior of gerbils. - Ann. Zool. Fenn. 29: 2249-2260.
29. _ , Brown, J. S., Slotow, R. H., Goodfriend, W. and Strauss, M. 1993a. The influence of snakes on the foraging behavior of gerbils. - Oikos 6767: 309-318.
30. _ , Brown, J. S. and Mitchell, W. A. 1993b. Environmental factors affecting patch use in two species of gerbilline rodents. - J. Mammal. 74: 614-620.
31. Longland, W. S. and Price, M. V. 1991. Direct observations of owls and heteromyid rodents: can predation use explain microhabitat use? - Ecology 72: 2261-2274.
32. MacArthur, R. H. and Pianka, E. R. 1966. On optimal use of a patchy environment. - Am. Nat. 100: 377-385.
33. Mangel, M. and Clark, C. W. 1988. Dynamic modeling in behavioral ecology. - Princeton Univ. Press, Princeton, NJ.
34. McNamara, J. M. and Houston, A. I. 1986. The common currency for behavioral decisions. - Am. Nat. 127: 358-378.
35. _ and Houston, A. I. 1994. The effect of a change in foraging options on intake rate and predation rate. - Am. Nat. 144: 978-1000.
36. Mitchell, W. A. and Brown, J. S. 1989. Density dependent harvest rates by optimal foragers. - Oikos 57: 180-190.
37. Newman, J. A. 1991. Patch use under predation hazard: foraging behavior in a simple stochastic environment. -Oikos 61: 29-44.
38. Pulliam, H. R. 1974. On the theory of optimal diets. - Am. Nat. 108: 59-75.
39. Rosenweig, M. L. 1973. Habitat selection experiments with a pair of coexisting heteromyid rodent species. - Ecology 62: 327-335.
40. _ and Abramsky, Z. 1986. Centrifugal community structure. - Oikos 46: 405-417.
41. Schmid-Hempel, P. A., Kacelnik, A. and Houston, A. I. 1985. Honeybees maximize efficiency by not filling their crop. -Behav. Ecol. Sociobiol. 17: 61-66.
42. Sih, A. 1980. Optimal behavior: can foragers balance two conflicting demands? - Science 210: 1041-1043.
43. Stephens, D. W. and Krebs, J. R. 1986. Foraging theory. -Princeton Univ. Press, Princeton, NJ.
44. Tome, M. W. 1988. Optimal foraging: food patch depletion by ruddy ducks. - Oecologia 76: 27-36.
45. Ziv, Y, 1991. Mechanisms of coexistence, based on theories of optimal foraging and habitat selection, between Gerbillus allenbyi and Gerbillus pyramidum in the sandy habitats of the western Negev. - Unpublished M.Sc. thesis. Ben-Gurion Univ. of the Negev, Be'er Sheva, Israel (Hebrew with English abstract).
46. _ , Kotler, B. P., Abramsky, Z. and Rosenzweig, M. L. 1995. Foraging efficiencies of competing rodents: why do gerbils exhibit shared-preference habitat selection? - Oikos 73: 260-268.