Role of biotic interactions in a small mammal assemblage in semiarid chile

Ecology

Volumn 77, Issue 1, 1996, Pages 133-148

  Meserve, Peter L ^a   Gutiérrez, Julio R ^b   Yunger, John A ^a   Contreras, Luis C ^c   Jaksic, Fabián M ^d  

^a NORTHERN ILLINOIS UNIVERSITY   (United States)

^b DEPARTAMENTO DE BIOLOGÍA   (Chile)

^c Pont Univ Católica de Chile ^*  (Chile)

^d PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE   (Chile)

Author keywords

Chile; Competition; Ecological scale; Semiarid zone; Small mammals; South America; Vertebrate predation

Indexed keywords

ABROCOMA BENNETTII; ABROTHRIX LONGIPILIS; ABROTHRIX OLIVACEUS; AKODON; AVES; CANIDAE; GALLIFORMES; MAMMALIA; OCTODON DEGUS; OLIGORYZOMYS LONGICAUDATUS; PHYLLOTIS DARWINI; PSEUDALOPEX CULPAEUS; RODENTIA; STRIGIFORMES; VERTEBRATA; ABROCOMA BENNETTI; AKODON OLIVACEUS;

COMMUNITY STRUCTURE; COMPETITION; PREDATION; SMALL MAMMAL;

CHILE;

EID: 0030404925     PISSN: 00129658     EISSN: None     Source Type: Journal    
DOI: 10.2307/2265662     Document Type: Article

References (131)

1. Akçakaya, H. R. 1992. Population cycles of mammals: evidence for a ratio-dependent predation hypothesis. Ecological Monographs 62:119-142.
2. Ambrose, H. W. 1972. Effect of habitat familiarity and toeclipping on rate of owl predation in Microtus pennsylvanicus. Journal of Mammalogy 53:909-912.
3. August, P. V., and T. H. Fleming. 1984. Competition in neotropical small mammals. Acta Zoologica Fennica 172:33-36.
4. Brown, J. H., D. W. Davidson, and O. J. Reichman. 1979a. An experimental study of competition between seed-eating rodents and ants. American Zoologist 19:1129-1143.
5. Brown, J. H., D. W. Davidson, J. C. Munger, and R. S. Inouye. 1986. Experimental community ecology: the desert granivore system. Pages 41-61 in J. Diamond and T. J. Case, editors. Community ecology. Harper and Row, New York, New York, USA.
6. Brown, J. H., and E. J. Heske. 1990. Temporal changes in a Chihuahuan Desert rodent community. Oikos 59:290-302.
7. Brown, J. H., and J. C. Munger. 1985. Experimental manipulation of a desert community: food addition and species removal. Ecology 66:1545-1563.
8. Brown, J. H., O. J. Reichman, and D. W. Davidson. 1979b. Granivory in desert ecosystems. Annual Review of Ecology and Systematics 10:201-227.
9. Brown, J. S. 1988. Patch use as an indicator of habitat preference, predation risk, and competition. Behavorial Ecology and Sociobiology 22:37-47.
10. _. 1989. Desert rodent community structure: a test of four mechanisms of coexistence. Ecological Monographs 59:1-20.
11. Brown, J. S., B. P. Kotler, R. J. Smith, and W. O. Wirtz II. 1988. The effects of owl predation on the foraging behavior of heteromyid rodents. Oecologia (Berlin) 76:408-415.
12. Brown, J. S., R. A. Morgan, and B. D. Dow. 1992. Patch use under predation risk: II. A test with fox squirrels, Sciurus niger. Annales Zoologici Fennici (Helsinki) 29:311-318.
13. Castro, S. A., S. I. Silva, P. L. Meserve, J. R. Gutiérrez, L. C. Contreras, and F. M. Jaksic. 1994. Frugivoría y dispersión de semillas de pimiento (Schinus molle) por el Zorro culpeo (Pseudalopex culpaeus) en el Parque Nacional Fray Jorge (IV Región, Chile). Revista Chilena de Historia Natural 67:169-176.
14. Cody, M. L., E. R. Fuentes, W. Glanz, J. H. Hunt, and A. R. Moldenke. 1977. Convergent evolution in the consumer organisms of Mediterranean Chile and California. Pages 144-192 in H. A. Mooney, editor. Convergent evolution in California and Chile. Dowden, Hutchinson and Ross, Stroudsburg, Pennsylvania, USA.
15. Connell, J. H. 1983. On the prevalence and relative importance of interspecific competition: evidence from field experiments. American Naturalist 122:661-696.
16. Conover, W. J., M. E. Johnson, and M. M. Johnson. 1981. A comparative study of tests for homogeneity of variances, with applications to the outer continental shelf bidding data. Technometrics 23:351-361.
17. Crowell, K. L., and S. L. Pimm. 1976. Competition and niche shifts of mice introduced onto small islands. Oikos 27:251-258.
18. Davidson, D. W., J. H. Brown, and R. S Inouye. 1980. Competition and the structure of granivore communities. BioScience 30:233-238.
19. Davidson, D. W., R. S. Inouye, and J. H. Brown. 1984. Granivory in a desert ecosystem: experimental evidence for indirect facilitation of ants by rodents. Ecology 65:1780-1786.
20. Davidson, D. W., D. A. Samson, and R. S. Inouye. 1985. Granivory in the Chihuahuan Desert: interactions within and between trophic levels. Ecology 66:486-502.
21. Desy, E. A., and G. O. Batzli. 1989. Effects of food availability and predation on prairie vole demography: a field experiment. Ecology 70:411-421.
22. Desy, E. A., G. O. Batzli, and J. Liu. 1990. Effects of food and predation on behaviour of prairie voles: a field experiment. Oikos 58:159-168.
23. di Castri,F., and H. A. Mooney, editors. 1973. Mediterranean type ecosystems: origin and structure. Springer-Verlag, New York, New York, USA.
24. Dice, L. R. 1947. Effectiveness of selection by owls of deer mice (Peromyscus maniculatus) which contrast with their color background. Contributions of the Laboratory of Vertebrate Biology, University of Michigan 34:1-20.
25. Dueser, R. D., J. H. Porter, and J. L. Dooley, Jr., 1989. Direct tests for competition in North American rodent communities: synthesis and prognosis. Pages 105-125 in D. W. Morris, Z. Abramsky, B. J. Fox, and M. R. Willig, editors. Patterns in the structure of mammalian communities. Special Publications, Number 28, The Museum, Texas Tech University, Lubbock, Texas, USA.
26. Erlinge, S., G. Göransson, L. Hansson, G. Högstedt, O. Liberg, I. N. Nilsson, T. Nilsson, T. von Schantz, and M. Sylvén. 1983. Predation as a regulating factor on small rodent populations in southern Sweden. Oikos 40:36-52.
27. Fitzgerald, B. M. 1977. Weasel predation on a cyclic population of the montane vole (Microtus montanus) in California. Journal of Animal Ecology 46:367-397.
28. Fox, G. A. 1993. Failure-time analyses: emergence, flowering, survivorship, and other waiting times. Pages 253-289 in S. M. Scheiner and J. Gurevitch, editors. The design and analysis of ecological experiments. Chapman and Hall, New York, New York, USA.
29. Franklin, J. F. 1989. Importance and justification of longterm studies in ecology. Pages 3-17 in G. E. Likens, editor. Long-term studies in ecology. Springer-Verlag, New York, New York, USA.
30. Fulk, G. W. 1975. Population ecology of rodents in the semiarid shrublands of Chile. Occasional Papers of the Museum, Texas Tech University 33:1-40.
31. _. 1976. Owl predation and rodent mortality: a case study. Mammalia 40:423-427.
32. Giller, P. S., and J. H. R. Gee. 1987. The analysis of community organization: the influence of equilibrium, scale and terminology. Pages 519-542 in J. H. R. Gee and P. S. Giller, editors. Organization of communities past and present. Blackwell Scientific, Oxford, England.
33. Glanz, W. E. 1977. Comparative ecology of small mammal communities in California and Chile. Dissertation. University of California, Berkeley, California, USA.
34. _. 1982. Adaptive zones of Neotropical mammals: a comparison of some temperate and tropical patterns. Pages 95-110 in M. A. Mares and H. H. Genoways, editors. Mammalian biology in South America. Special Publications, Pymatuning Laboratory of Ecology, University of Pittsburgh, Linesville, Pennsylvania, USA.
35. _. 1984. Ecological relationships of two species of Akodon in central Chile. Journal of Mammalogy 65:433-441.
36. Glanz, W. E., and P. L. Meserve. 1982. An ecological comparison of small mammal communities in California and Chile. Pages 220-226 in C. E. Conrad and W. C. Oechel, editors. Dynamics and management of mediterranean-type ecosystems. U.S. Forest Service General Technical Report PSW-58.
37. Goszcynski, J. 1977. Connection between predatory birds and mammals and their prey. Acta Theriologica 22:399-430.
38. Grant, P. R. 1969. Experimental studies of competitive in-teraction in a two-way system. I. Microtus and Clethrionomys species in enclosures. Canadian Journal of Zoology 47:1059-1082.
39. _. 1972. Interspecific competition among rodents. Annual Review of Ecology and Systematics 3:79-106.
40. Gutiérrez, J. R., P. L. Meserve, L. C. Contreras, H. Vásquez, and F. M. Jaksic. 1993b. Spatial distribution of soil nutrients and ephemeral plants underneath and outside the canopy of Porlieria chilensis (Zygophyllaceae) shrubs in arid coastal Chile. Oecologia 95:347-352.
41. Gutiérrez, J. R., P. L. Meserve, F. M. Jaksic, L. C. Contreras, S. Herrera, and H. Vásquez. 1993a. Dynamics and structure of vegetation in a Chilean semiarid thorn scrub community. Acta Oecologia 14:271-285.
42. Hallett, J. G., M. A. O'Connell, and R. L. Honeycutt. 1983. Competition and habitat selection: test of a theory using small mammals. Oikos 40:175-181.
43. Hallett, J. G., and S. L. Pimm. 1979. Direct estimation of competition. American Naturalist 113:593-600.
44. Hanski, I., L. Hansson, and H. Henttonen. 1991. Specialist predators, generalist predators, and the microtine rodent cycle. Journal of Animal Ecology 60:353-367.
45. Henttonen, H. T. 1985. Predation causing extended low densities in microtine cycles: further evidence from shrew dynamics. Oikos 45:156-157.
46. Henttonen, H. T., T. Oksanen, A. Jortikka, and V. Haukisalmi. 1987. How much do weasels shape microtine cycles in the northern Fennoscandian taiga? Oikos 50:353-365.
47. Heske, E. J., J. H. Brown, and S. Mistry. 1994. Long-term experimental study of a Chihuahuan Desert rodent community: 13 years of competition. Ecology 75:438-445.
48. Hoffmann, A. 1989. Flora silvestre de Chile: zona central. Second edition. Ediciones Fundación Claudio Gay, Santiago, Chile.
49. Hom, C. L., and M. E. Cochran. 1991. Ecological experiments: assumptions, approaches, and prospects. Herpetologica 47:460-473.
50. Hurlburt, S. H. 1984. Pseudoreplication and the design of field experiments. Ecological Monographs 54:187-211.
51. Jaksic, F. M. 1986. Predation upon small mammals in shrublands and grasslands of southern South America: ecological correlates and presumable consequences. Revista Chilena de Historia Natural 59:209-221.
52. Jaksic, F. M., E. R. Fuentes, and J. L. Yáñez. 1979. Spatial distribution of the Old World rabbit (Oryctolagus cuniculus) in central Chile. Journal of Mammalogy 60:207-209.
53. Jaksic, F. M., H. W. Greene, and J. L. Yáñez. 1981. The guild structure of a community of predatory vertebrates in central Chile. Oecologia (Berlin) 49:21-28.
54. Jaksic, F. M., J. E. Jiménez, S. A. Castro, and P. Feinsinger. 1992. Numerical and functional response of predators to a long-term decline in mammalian prey at a semi-arid Neotropical site. Oecologia (Berlin) 89:90-101.
55. Jaksic, F. M., P. L. Meserve, J. R. Gutiérrez, and E. Tabilo. 1993. The components of predation on small mammals in semiarid Chile: preliminary results. Revista Chilena de Historia Natural 66:305-321.
56. Kareiva, P., and M. Andersen. 1988. Spatial aspects of species interactions: the wedding of models and experiments. Pages 38-54 in A. Hastings, editor. Community ecology. Springer-Verlag, New York, New York, USA.
57. Keith, L. B., J. R. Cary, O. J. Rongstad, and M. Brittingham. 1984. Demography and ecology of a declining snowshoe hare population. Wildlife Monographs 90:1-43.
58. Kerfoot, W. C., and A. Sih, editors. 1987. Predation: direct and indirect impacts on aquatic communities. University Press of New England, Hanover, New Hampshire, USA.
59. Kotler, B. P. 1984a. Harvesting rates and predatory risk in desert rodents: a comparison of two communities on different continents. Journal of Mammalogy 65:91-96.
60. _. 1984b. Risk of predation and the structure of desert rodent communities. Ecology 65:689-701.
61. _. 1984c. Effects of illumination on the rate of resource harvesting in a community of desert rodents. American Midland Naturalist 112:383-389.
62. Kotler, B. P., L. Blaustein, and J. S. Brown. 1992. Predator facilitation: the combined effects of snakes and owls on the foraging behavior of gerbils. Annales Zoologici Fennici (Helsinki) 29:199-206.
63. Kotler, B. P., J. S. Brown, and O. Hasson. 1991. Factors affecting gerbil foraging behavior and rates of owl predation. Ecology 72:2249-2260.
64. Kotler, B. P., J. S. Brown, R. J. Smith, and W. O. Wirtz II. 1988. The effects of morphology and body size on rates of owl predation on desert rodents. Oikos 53:145-152.
65. Krebs, C. J. 1988. The experimental approach to rodent population dynamics. Oikos 52:143-149.
66. Krebs, C. J., B. Keller, and R. Tamarin. 1969. Microtus population biology: demographic changes in fluctuating populations of M. ochrogaster and M. pennsylvanicus in southern Indiana. Ecology 50:587-607.
67. Lagos, V. O., L. C. Contreras, P. L. Meserve, J. R. Gutiérrez, and F. M. Jaksic. In press. Predation effects on space use by small mammals: a field experiment with a Neotropical rodent, Octodon degus. Oikos.
68. Le Boulengé, E. R. 1985. Computer package for the analysis of capture-recapture data. Acta Zoologica Fennica (Helsinki) 173:69-72.
69. Lee, E. T. 1980. Statistical methods for survival data analysis. Lifetime Learning, Belmont, California, USA.
70. Levin, S. A. 1992. The problem of pattern and scale in ecology. Ecology 73:1943-1967.
71. Lidicker, W. Z., Jr. 1973. Regulation of numbers in an island population of the California vole, a problem in community dynamics. Ecological Monographs 43:271-302.
72. _. 1991. In defense of a multifactor perspective in population ecology. Journal of Mammalogy 72:631-635.
73. Likens, G. E. 1989. Long-term studies in ecology: approaches and alternatives. Springer-Verlag, New York, New York, USA.
74. Lima, S. L. 1992. Life in a multi-predator environment: some considerations for anti-predatory vigilance. Annales Zoologici Fennici (Helsinki) 29:217-226.
75. Lima, S. L., and L. M. Dill. 1990. Behavioral decisions made under the risk of predation: a review and prospectus. Canadian Journal of Zoology 68:619-640.
76. Longland, W. S., and M. V. Price. 1991. Direct observation of owls and heteromyid rodents: can predation risk explain microhabitat use? Ecology 72:2261-2273.
77. Lubchenco, J. 1986. Relative importance of competition and predation: early colonization by seaweeds in New England. Pages 537-555 in J. Diamond and T. J. Case, editors. Community ecology. Harper and Row, New York, New York, USA.
78. Magnuson, J. J., T. K. Kratz, T. M. Frost, C. J. Bowser, B. J. Benson, and R. Nero. 1991. Expanding the temporal and spatial scales of ecological research and comparison of divergent ecosystems: roles for LTER in the United States. Pages 45-70 in P. G. Risser, editor. Long-term ecological research: an international perspective. John Wiley and Sons, New York, New York, USA.
79. Marti, C. D., and J. G. Hogue. 1979. Selection of prey by size in screech owls. Auk 96:319-327.
80. Maxwell, S. E., and H. D. Delaney. 1990. Designing experiments and analyzing data: a model computer perspective. Wadsworth, Belmont, California, USA.
81. Meserve, P. L. 1976a. Food relationships of a rodent fauna in a California sage scrub community. Journal of Mammalogy 57:300-319.
82. _. 1976b. Habitat and resource utilization by rodents of a coastal sage scrub community. Journal of Animal Ecology 45:647-666.
83. _. 1981a. Resource partitioning in a Chilean semi-arid small mammal community. Journal of Animal Ecology 50: 745-757.
84. _. 1981b. Trophic relationships among small mammals in a Chilean semiarid thorn scrub community. Journal of Mammalogy 62:304-314.
85. Meserve, P. L., and E. R. Le Boulengé. 1987. Population dynamics and ecology of small mammals in the northern Chilean semiarid region. Pages 413-431 in B. D. Patterson and R. M. Timm, editors. Studies in Neotropical mammalogy: essays in honor of Philip Hershkovitz. Fieldiana: Zoology New Series 39.
86. Meserve, P. L., J. R. Gutiérrez, L. C. Contreras, and F. M. Jaksic. 1993a. Role of biotic interactions in a semiarid scrub community in north-central Chile: a long-term ecological experiment. Revista Chilena de Historia Natural 66: 225-241.
87. Meserve, P. L., J. R. Gutiérrez, and F. M. Jaksic. 1993b. Effects of vertebrate predation on a caviomorph rodent, the degu (Octodon degus), in a semiarid thorn scrub community in Chile. Oecologia (Berlin) 94:153-158.
88. Meserve, P. L., R. E. Martin, and J. Rodríguez. 1983. Feeding ecology of two Chilean caviomorphs in a central mediterranean savanna. Journal of Mammalogy 64:322-325.
89. Meserve, P. L., E. J. Shadrick, and D. A. Kelt. 1987. Diets and selectivity of two Chilean predators in the northern semi-arid zone. Revista Chilena de Historia Natural 60:93-99.
90. Meserve, P. L., and 12 other authors. 1995. Heterogeneous responses of small mammals to an El Niño Southern Oscillation in northcentral semiarid Chile and the importance of ecological scale. Journal of Mammalogy 76:580-595.
91. Mooney, H. A., editor. 1977. Convergent evolution in Chile and California. Dowden, Hutchinson and Ross, Stroudsburg, Pennsylvania, USA.
92. Mooney, H. A., J. Kummerow, A. W. Johnson, D. J. Parsons, S. Keeley, A. Hoffmann, R. I. Hays, J. Giliberto, and C. Chu. 1977. The producers - their resources and adaptive responses. Pages 85-143 in H. A. Mooney, editor. Convergent evolution in Chile and California. Dowden, Hutchinson and Ross, Stroudsburg, Pennsylvania, USA.
93. Munger, J. C., and J. H. Brown. 1981. Competition in desert rodents: an experiment with semipermeable enclosures. Science 211:510-512.
94. Múñoz, M. 1985. Flores del Norte Chico. Dirección de Bibliotecas, Municipalidad de La Serena, La Serena, Chile.
95. Múñoz, P. C., and E. Pisano. 1947. Estudio de la vegetación y flora de los parques nacionales de Fray Jorge y Talinay. Agricultura Tecnica (Santiago, Chile) 2:71-190.
96. Murúa, R. H., P. L. Meserve, L. A. González, and C. Jofré. 1987. The small mammal community of a Chilean temperate rain forest: lack of evidence of competition between dominant species. Journal of Mammalogy 68:729-738.
97. Newsome, A. E., I. Parer, and P. C. Catling. 1989. Prolonged prey suppression by carnivores-predator-removal experiments. Oecologia (Berlin) 78:458-467.
98. O'Neill, R. V. 1988. Hierarchy theory and global change. Pages 29-45 in T. Rosswall, R. G. Woodmansee, and P. G. Risser, editors. Scales and global change. John Wiley and Sons, New York, New York, USA.
99. O'Neill, R. V., D. L. Angelis, J. B. Wade, and T. F. H. Allen. 1986. A hierarchical concept of ecosystems. Princeton University Press, Princeton, New Jersey, USA.
100. Pearson, O. P. 1964. Carnivore-mouse predation: an example of its intensity and bioenergetics. Journal of Mammalogy 45:177-188.
101. _. 1966. The prey of carnivores during one cycle of mouse abundance. Journal of Animal Ecology 35:217-233.
102. _. 1971. Additional measurements of the impact of carnivores on California voles (Microtus californicus). Journal of Mammalogy 52:41-49.
103. Pech, R. P., A. R. E. Sinclair, A. E. Newsome, and P. C. Catling. 1992. Limits to predator regulation of rabbits in Australia: evidence from predator-removal experiments. Oecologia 89:102-112.
104. Pickett, S. T. A. 1991. Long-term studies: past experience and recommendations for the future. Pages 71-88 in P. G. Risser, editor. Long-term ecological research: an international perspective. John Wiley and Sons, New York, New York, USA.
105. Potvin, C., M. J. Lechowicz, and S. Tardif. 1990. The statistical analysis of ecophysiological response curves obtained from experiments involving repeated measures. Ecology 71:1389-1400.
106. Powell, T. M. 1989. Physical and biological scales of variability in lakes, estuaries, and the coastal ocean. Pages 157-176 in J. Roughgarden, R. M. May, and S. A. Levin, editors. Perspectives in ecological theory. Princeton University Press, Princeton, New Jersey, USA.
107. Risser, P. G. 1991. Long-term ecological research: an international perspective. John Wiley and Sons, New York, New York, USA.
108. Roughgarden, J., and J. Diamond. 1986. Overview: the role of species interactions in community ecology. Pages 333-343 in J. Diamond and T. J. Case, editors. Community ecology. Harper and Row, New York, New York, USA.
109. SAS Institute. 1990a. SAS/STAT user's guide. Version 6. Volume 1. Fourth edition. SAS Institute, Cary, North Carolina, USA.
110. SAS Institute. 1990b. SAS/STAT user's guide. Version 6. Volume 2. Fourth edition. SAS Institute, Cary, North Carolina, USA.
111. Schoener, T. W. 1983. Field experiments on interspecific competition. American Naturalist 122:240-285.
112. Sih, A. 1992. Integrative approaches to the study of predation: general thoughts and a case study on sunfish and salamander larvae. Annales Zoologici Fennici (Helsinki) 29:183-198.
113. Sih, A., P. Crowley, M. McPeek, J. Petranka, and K. Strohmeier. 1985. Predation, competition, and prey communities: a review of field experiments. Annual Review of Ecology and Systematics 16:269-311.
114. Simonetti, J. A. 1989a. Microhabitat use by small mammals in central Chile. Oikos 56:309-318.
115. _. 1989b. Microhabitat use by Oryctolagus cuniculus in central Chile: a reassessment. Mammalia 53:363-368.
116. Simonetti, J. A., E. R. Fuentes, and R. D. Otaiza. 1985. Habitat use by two rodent species in the high Andes of central Chile. Mammalia 49:19-25.
117. Sokal, R. R., and F. J. Rohlf. 1981. Biometry. W. H. Freeman, New York, New York, USA.
118. Southern, H. N., and V. P. W. Lowe. 1982. Predation by Tawny Owls (Strix aluco) on bank voles (Clethrionomys glareolus) and wood mice (Apodemus svlvaticus). Journal of Zoology 198:83-102.
119. Steel, R. G. D., and J. H. Torrie. 1980. Principles and procedures of statistics. A biometrical approach. Second edition. McGraw-Hill, New York, New York, USA.
120. Steele, J. H. 1989. Discussion: scale and coupling in ecological systems. Pages 177-180 in J. Roughgarden, R. M. May, and S. A. Levin, editors. Perspectives in ecological theory. Princeton University Press, Princeton, New Jersey, USA.
121. Thompson, S.D. 1982a. Microhabitat utilization and foraging behavior of bipedal and quadrupedal heteromyid rodents. Ecology 63:1303-1312.
122. _. 1982b. Structure and species composition of desert heteromyid rodent species assemblages: effects of a simple habitat manipulation. Ecology 63:1313-1321.
123. Thrower, N. J. W., and D. E. Bradbury, editors. 1977. Chile-California Mediterranean scrub atlas: a comparative analysis. Dowden, Hutchinson and Ross, Stroudsburg, Pennsylvania, USA.
124. Tilman, D. 1989. Discussion: population dynamics and species interactions. Pages 89-100 in J. Roughgarden, R. M. May, and S. A. Levin, editors. Perspectives in ecological theory. Princeton University Press, Princeton, New Jersey, USA.
125. Valone, T. J., and J. H. Brown. 1995. Effects of competition, colonization, and extinction on rodent species diversity. Science 267:880-883.
126. Vásquez, R. A. 1994. Assessment of predation risk via illumination level: facultative central place foraging in the cricetid rodent Phyllotis darwini. Behavioral Ecology and Sociobiology 34:375-381.
127. von Ende, C. E. 1993. Repeated-measures analysis: growth and other time-dependent measures. Pages 113-137 in S. M. Scheiner and J. Gurevitch, editors. The design and analysis of ecological experiments. Chapman and Hall, New York, New York, USA.
128. Wiens, J. A. 1986. Spatial scale and temporal variation in studies of shrubsteppe birds. Pages 154-172 in J. Diamond and T. J. Case, editors. Community ecology. Harper and Row, New York, New York, USA.
129. _. 1989. Spatial scaling in ecology. Functional Ecology 3:385-397.
130. Wiens, J. A., J. F. Addicott, T. J. Case, and J. Diamond. 1986. Overview: the importance of spatial and temporal scale in ecological investigations. Pages 145-153 in J. Diamond and T. J. Case, editors. Community ecology. Harper and Row, New York, New York, USA.
131. Winer, B. J., D. R. Brown, and K. M. Michels. 1991. Statistical principles in experimental design. McGraw-Hill, New York, New York, USA.