Do island populations have less genetic variation than mainland populations?

Heredity

Volumn 78, Issue 3, 1997, Pages 311-327

  Frankham, R ^a  

^a MACQUARIE UNIVERSITY   (Australia)

Author keywords

allozymes; conservation; endemic species; extinction; genetic variation; islands

Indexed keywords

EXTINCTION RISK; GENETIC VARIATION; ISLAND POPULATION;

EID: 0030620206     PISSN: 0018067X     EISSN: None     Source Type: Journal    
DOI: 10.1038/hdy.1997.46     Document Type: Article

References (162)

1. ABRAMOFF, P., DARNELL, R. M. AND BALSANO, J. S. 1964. Serological relations of the toad populations of the Lake Michigan area. In: Leone, C. A. (ed.) Taxonomic Biochemistry and Serology, pp. 512-525. Ronald Press, New York.
2. ALLISON, A. C. 1956. The sickle-cell and haemoglobin C genes in some African populations. Ann. Hum. Genet., 21, 67-89.
3. AOUADRO, C. F. AND KILPATRICK, C. W. 1981. Morphological and biochemical variation and differentiation in insular and mainland deer mice (Peromyscus maniculatus). In: Smith, M. H. and Joule, J. (eds) Mammalian Population Genetics, pp. 214-230. University of Georgia Press, Athens, GA.
4. ARNAUD, J., MEIER, B., DUGOUJON, J. M. AND RUMPLER, Y. 1992. Study of the variability of erythrocyte enzymes in captive and wild populations of the black lemur (Eulemur macaco macaco). An indispensable preliminary to captive breeding programs. Primates, 33, 139-146.
5. ASHLEY, M. AND WILLS, C. 1987. Analysis of mitochondrial DNA polymorphisms among Channel Island deer mice. Evolution, 41, 854-863.
6. ATKINSON, I. 1989. Introduced animals and extinction. In: Western, D. and Pearl, M. C. (eds) Conservation for the Twenty-First Century, pp. 54-75. Oxford University Press, New York.
7. AVANZATI, A. M., BARATTI, M. AND BERNINI, F. 1994. Molecular and morphological differentiation between steganacarid mites (Acari: Oribatida) from the Canary islands. Biol. J. Linn. Soc., 52, 325-340.
8. AVISE, J. C. AND SELANDER, R. K. 1972. Evolutionary genetics of cave-dwelling fishes of the genus Astyanax. Evolution, 26, 1-19.
9. AVISE, J. C., SMITH, M. H. AND SELANDER, R. K. 1974a. Biochemical polymorphism and systematics in the genus Peromyscus. VI. The boylii species group. J. Mammal., 55, 751-763.
10. AVISE, J. C., SMITH, M. H., SELANDER, R. K., LAWLOR, I. E. AND RAMSEY, P. R. 1974b. Biochemical polymorphism and systematics in the genus Peromyscus. V. Insular and mainland species of the subgenus Haplomys. Syst. Zool., 23, 226-238.
11. AVISE, J. C., SMITH, M. H. AND SELANDER, R. K. 1979. Biochemical polymorphism and systematics in the genus Peromyscus. VIII. Geographic differentiation in members of the truei and maniculatus species group. J. Mammal., 60, 177-192.
12. AYALA, F. J. 1965. Evolution of fitness in experimental populations of Drosophila serrata. Science, 150, 903-905.
13. AYALA, F. J. 1975. Genetic differentiation during the speciation process. In: Dobzhansky, T., Hecht, M. K. and Steere, W. C. (eds) Evolutionary Biology, vol. 8, pp. 1-78. Plenum Press, New York.
14. AYALA, F. J. AND CAMPBELL, C. A. 1974. Frequency-dependent selection. Ann. Rev. Ecol. Syst., 5, 115-138.
15. AYALA, F. J., POWELL, J. R. AND DOBZHANSKY, T. 1971. Polymorphisms in continental and island populations of Drosophila willistoni. Proc. Natl. Acad. Sci. US.A., 68, 2480-2483.
16. AYALA, F. J., TRACEY, M. L., BARR, L. G. AND EHRENFELD, J. G. 1974. Genetic and reproductive differentiation of the subspecies, Drosophila equinoxialis caribbensis. Evolution, 28, 24-41.
17. BAKER, A. J., DENNISON, M. D., LYNCH, A. AND LE GRAND, G. 1990. Genetic divergence in peripherally isolated populations of chaffinches in the Atlantic islands. Evolution, 44, 981-999.
18. BARRETT, S. C. H. AND HUSBAND, B. C. 1989. The genetics of plant migration and colonization. In: Brown, A. H. D., Clegg, M. T., Kahler, A. L. and Weir, B. S. (eds) Plant Population Genetics, Breeding, and Genetic Resources, pp. 254-277. Sinauer Associates, Sunderland, MA.
19. BERRY, R. J. 1986. Genetics of insular populations of mammals, with particular reference to differentiation and founder effects in British small mammals. Biol. J. Linn. Soc., 28, 205-230.
20. BERRY, R. J. AND PETERS, J. 1977. Heterogeneous heterozygosities in Mus musculus populations. Proc. R. Soc. B. 197, 485-503.
21. BERRY, R. J., PETERS, J. AND VAN AARDE, R. J. 1978. Sub-antarctic house mice: colonization, survival and selection. J. Zool. Lond., 184, 127-141.
22. BERRY, R. J., BONNER, W. N. AND PETERS, J. 1979. Natural selection in house mice (Mus musculus) from South Georgia (South Atlantic Ocean). J. Zool. Lond., 189, 385-398.
23. BERRY, R. J., SAGE, R. D., LIDICKER, W. Z. AND JACKSON, W. B. 1981. Genetic variation in three Pacific house mouse (Mus musculus) populations. J. Zool. Lond., 193, 391-404.
24. BOAG, P. T. 1988. The genetics of island birds. In: Ouellet, H. (ed.) Acta XIX International Ornithological Congress, pp. 1550-1563. National Museum of Natural Sciences, Ottawa.
25. BOCK, B. C. AND MCCRACKEN, G. F. 1988. Genetic structure and variability in the green iguana (Iguana iguana). J. Herpetol., 22, 316-322.
26. BONHOMME, F., MIYASHITA, N., BOURSOT, P., CATALAN, J. AND MORIWAKI, K. 1989. Genetical variation and polyphyletic origin in Japanese Mus musculus. Heredity, 63, 299-308.
27. BOONE, J. L., LAERM, J. AND SMITH, M. H. 1993. Taxonomic status of Peromyscus gossypinus anastasae (Anastasia Island cotton mouse). J. Mammal., 74, 363-375.
28. BRAKEFIELD, P. M. AND SACCHERI, I. J. 1994. Guidelines in conservation genetics and the use of population cage experiments with butterflies to investigate the effects of genetic drift and inbreeding. In: Loeschke, V., Tomiuk, J. and Jain, S. K. (eds) Conservation Genetics, pp. 165-179. Birkhäuser Verlag, Basel.
29. BREWER, B. A., LACY, R. C., FOSTER, M. L. AND ALAKS, G. 1990. Inbreeding depression in insular and central populations of Peromyscus mice. J. Hered., 81, 257-266.
30. BROWNE, R. A. 1977. Genetic variation in island and mainland populations of Peromyscus leucops. Am. Midi. Nat., 97, 1-9.
31. BRYANT, E. H., VAN DIJK, H. AND VAN DELDEN, W. 1981. Genetic variability in the face fly Musca autumnalis de Geer, in relation to a population bottleneck. Evolution, 35, 872-881.
32. BRYANT, E. H., McCOMMAS, S. A. AND COMBS, L. M. 1986. The effect of an experimental bottleneck upon quantitative genetic variation in the housefly. Genetics, 114, 1191-1211.
33. CABRERA, V. M., GONZALEZ, A. M. AND GULLON, A. 1980. Enzymatic polymorphism in Drosophila subobscura populations from the Canary Islands. Evolution, 34, 875-887.
34. CAPULA, M. 1994. Population genetics of a colonizing lizard: loss of variability in introduced populations of Podarcis sicula. Experientia, 50, 691-696.
35. CARIOU, M.-L., SOLIGNAC, M. AND DAVID, J. R. 1990. LOW allozyme and mtDNA variability in the island endemic species Drosophila sechellia (D. melanogaster complex). Experientia, 46, 101-104.
36. CARLQUIST, S. 1974. Island Biology. Columbia University Press, New York.
37. CARSON, H. L. 1970. Chromosome tracers of the origin of species. Science, 168, 1414-1418.
38. CASE, T. J., BOLGER, D. T. AND RICHMAN, A. D. 1992. Reptilian extinctions: the last ten thousand years. In: Fiedler, P. L. and Jain, S. K. (eds) Conservation Biology: The Theory and Practice of Nature Conservation, Preservation and Management, pp. 90-125. Chapman and Hall, New York.
39. CAVALLI-SKORZA, L. L. AND BODMFR, W. F. 1971. The Genetics of Human Populations. Freeman, San Francisco.
40. CHUNG, M. G. 1994. Allozyme diversity and population genetic structure in Hosta jonesii (Liliaceae), a Korean endemic species. Korean J. Genet., 16, 147-156.
41. CLEGG, M. T. AND BROWN, A. H. D. 1983. The founding of plant populations. In: Schonewald-Cox, C. M., Chambers, S. M., MacBryde, B. and Thomas, L. (eds) Genetics and Conservation: A Reference for Managing Wild Animal and Plant Populations, pp. 216-228. Benjamin/ Cummings, Menlo Park, CA.
42. CORBIN, K. W., SIBLEY, C. G., FERGUSON, A., WILSON, A. C., BRUSH, A. H. AND AHLQUIST, J. E. 1974. Genetic polymorphism in New Guinea starlings of the genus Aplanis. Condor, 76, 307-318.
43. COTHRAN, E. G., ZIMMERMAN, E. G. AND NADLER, C. F. 1977. Genic differentiation and evolution in the ground squirrel subgenus Ictidomys (Genus Spermophilus), J. Mammal., 58, 610-622.
44. CRAWFORD, D. J., STUESSY, T. F., RODRIGUEZ, R. AND RONDINELLI, M. 1993. Genetic diversity in Rhaphithamnus venustus (Verbenaceae), a species endemic to the Juan Fernandez Islands. Bull. Torrey Bot. Club, 120, 23-28.
45. CROW, J. F. AND KIMURA, M. 1970. An Introduction to Population Genetics Theory. Harper and Row, New York.
46. DAVIS, S. D., DROOP, S. J. M., GREGERSON, P., HENSON, L., LEON, C. J., LAMLEIN VILLA-LOBOS, J. ET AL. 1986. Plants in Danger: What Do We Do?. International Union for Conservation of Nature and Natural Resources, Gland, Switzerland.
47. DEJOODE, D. R. AND WENDEL, J. F. 1992. Genetic diversity and the origin of the Hawaiian islands cotton, Gossypium tomentosum. Am. J. Bot., 79, 1311-1319.
48. DESSAUER, H. C., NEVO, E. AND CHUANG, K.-C. 1975. High genetic variability in an ecologically variable vertebrate, Bufo viridis. Biochem. Genet., 13, 651-661.
49. DIAMOND, J. M. 1984. Historic extinctions: their mechanisms, and lessons for understanding prehistoric extinctions. In: Martin, P. S. and Klein, R. (eds) Quartenary Extinctions, pp. 824-862. University of Arizona Press, Tucson.
50. DOBSON, A. P. AND MAY, R. M. 1986. Disease and conservation. In: Soulé, M. E. (ed.) Conservation Biology: The Science of Scarcity and Diversity, pp. 345-365. Sinauer Associates, Sunderland, MA.
51. DUPLANTIER, J. M., GRANJON, L., MATHIEU, E. AND BONHOMME, F. 1990. Structures génétiques comparées de trois espèces de rongeurs africains du genre Mastomys au Sénégal. Genetica, 81, 179-192.
52. ELISENS, W. J. 1992. Genetic divergence in Galvezia (Scrophulariaceae): evolutionary and biogeographic relationships among South American and Galapagos species. Am. J. Bot., 79, 198-206.
53. FEVOLDEN, S. E. 1992. Allozymic variability in the Iceland scallop Chlamys islandica: geographic variation and lack of growth-heterozygosity correlations. Mar. Ecol. Prog. Ser., 85, 259-268.
54. FLESNESS, N. R. 1989. Mammalian extinction rates: background to the black-footed ferret drama. In: Seal, U. S., Thorne, E. T., Bogan, M. A. and Anderson, S. H. (eds) Conservation Biology of the Black-Footed Ferret, pp. 3-9. Yale University Press, New Haven, CT.
55. FRANKEL, O. H. AND SOULÉ, M. E. 1981. Conservation and Evolution. Cambridge University Press, Cambridge.
56. FRANKHAM, R. 1980. The founder effect and response to artificial selection in Drosophila. In: Robertson, A. (ed.) Selection Experiments in Laboratory and Domestic Animals, pp. 87-90. Commonwealth Agricultural Bureaux, Farnham Royal.
57. FRANKHAM, R. 1995a. Conservation genetics. Ann. Rev. Genet., 29, 305-327.
58. FRANKHAM, R. 1995b. Inbreeding and extinction: a threshold effect. Conserv. Biol., 9, 792-799.
59. FRANKHAM, R. 1996. Genetic variation is related to population size in wildlife? Conserv. Biol. (in press).
60. FRANKLIN, I. R. 1980. Evolutionary change in small populations. In: Soulé, M. E. and Wilcox, B. A. (eds) Conservation Biology: An Evolutionary-Ecological Perspective, pp. 135-149. Sinauer Associates, Sunderland, MA.
61. GARTEN, C. T. J. 1976. Relationships between aggressive behavior and genie heterozygosity in the oldfield mouse Peromyscus polionotus. Evolution, 30, 59-72.
62. GASPERI, G., GUGLIELMINO, C. R., MALACRIDA, A. R. AND MILANI, R. 1991. Genetic variability and gene flow in geographical populations of Ceratitis captitata. Heredity, 67, 347-356.
63. GAUTHIER, S., SIMON, J.-P. AND BERGERON, Y. 1992. Genetic structure and variability in jack pine populations: effects of insularity. Can. J. Forest Res., 22, 1958-1965.
64. GIDDINGS, L. V., KANESHIRO, K. Y. AND ANDERSON, W. W. (eds). 1989. Genetics, Speciation and the Founder Principle. Oxford University Press, New York.
65. GILL, A. E. 1980. Evolutionary genetics of California Island Peromyscus. In: Power, D. M. (ed.) The California Islands: Proceedings of a Multidisciplinaiy Symposium, pp. 719-743. Santa Barbara Museum of Natural History, Santa Barbara, CA.
66. GLOVER, D. A. AND BARRETT, S. C. H. 1987. Genetic variation in continental and island populations of Eichhornia paniculata (Pontederiaceae). Heredity, 59, 7-17.
67. GORMAN, G. C., SOULÉ, M. E., YANG, S. Y. AND NEVO, E. 1975. Evolutionary genetics of insular Adriatic lizards. Evolution, 29, 52-71.
68. GORMAN, G. C., KIM, Y. J. AND YANG, S. Y. 1978. The genetics of colonization: Loss of variability among introduced populations of Anolis lizards (Reptilia, Lacertilia, Iguanidae). J. Herpetol, 12, 47-51.
69. GREENBAUM, I. F. AND BAKER, R. J. 1976. Evolutionary relationships in Macrotus (Mammalia: Chiroptera): biochemical variation and katyology. Syst. Zool., 25, 15-25.
70. GYLLENSTEN, U., RYMAN, N., REUTERWALL, C. AND DRATCH, p. 1983. Genetic differentiation in four European subspecies of red deer (Cervus elaphus L.). Heredity, 51, 561-580.
71. GYLLENSTEN, U., RYMAN, N. AND SAETHER, T. 1985. Genetic divergence between willow grouse (Lagopus lagopus L.) and rock ptarmigan (Lagopus mutus L.) and the genetic structure of Scandinavian grouse populations. Hereditas, 102, 47-55.
72. HALE, L. R. AND SINGH, R. S. 1991. Contrasting patterns of genetic structure and evolutionary history as revealed by mitochondrial DNA and nuclear gene-enzyme variation between Drosophila melanogaster and Drosophila simulans. J. Genet., 70, 79-90.
73. HARTL, G. B. AND PUCEK, Z. 1994. Genetic depletion in the European bison (Bison bonasus) and the significance of electrophoretic heterozygosity for conservation. Conserv. Biol., 8, 167-194
74. HRANITZ, J. M., KLINGER, T. S., HILL, F. C., SAGAR, R. G., MENCKEN, T. AND CARR, J. 1993. Morphological variation between Bufo woodhousii fowleri Hinckley (Anura: Bufonidae) on Assateague Island, Virginia and the f adjacent mainland. Brimleyana, 19, 65-75.
75. INOUE, K. AND KAWAHARA, T. 1990. Allozyme differentiation and genetic structure in island and mainland Japanese populations of Campanula punctata (Campanulaceae). Am. J. Bot., 77, 1440-1448.
76. ITO, M. AND ONO, M. 1990. Allozyme diversity and evolution of Crepidiastrum (Compositae) on the Bonin (Ogasawara) Islands. Bot. Mag. Tokyo, 103, 449-459.
77. JAENIKE, J. R. 1973. A steady state model of genetic polymorphism on islands. Am. Nat., 107, 793-795.
78. JAMES, J. W. 1971. The founder effect and response to artificial selection. Genet. Res., 16, 241-250.
79. JOHNSON, M. S. 1988. Founder effects and geographic variation in the land snail Theba pisana. Heredity, 61, 133-142.
80. JOHNSON, N. K. AND MARTEN, J. A. 1988. Evolutionary genetics of flycatchers. II. Differentiation of the Empidonax difficilis complex. Auk, 105, 177-191.
81. JOHNSON, N. K., MARTEN, J. A. AND RALPH, C. J. 1989. Genetic evidence for the origin and relationships of Hawaiian honeycreepers (Aves: Fringillidae). Condor, 91, 379-396.
82. JOHNSON, W. E. AND SELANDER, R. K. 1971. Protein variation and systematics in kangaroo rats (Genus Dipodomys). Syst. Zool., 20, 377-405.
83. JOHNSON, W. E. AND SELANDER, R. K. 1972. Biochemical genetics of sibling species of the cotton rat (Sigmodon). University of Texas Studies Genet., 7, 297-305.
84. KILPATRICK, C. W. 1981. Genetic structure of insular populations. In: Smith, M. H. and Joule, J. (eds) Mammalian Population Genetics, pp. 28-59. University of Georgia Press, Athens, GA.
85. KILPATRICK, C. W. AND ZIMMERMAN, E. G. 1975. Genetic variation and systematics of four species of mice of the Peromyscus boylii species group. Syst. Zool., 24, 143-162.
86. KIMURA, M. 1983. The Neutral Theory of Molecular Evolution. Cambridge University Press, Cambridge.
87. KOHN, P. H. AND TAMARIN, R. H. 1978. Selection at electrophoretic loci for reproductive parameters in island and mainland voles. Evolution, 32, 15-28.
88. KONDO, M., KAWAMOTO, Y., NOZAWA, K., MATSUBAYASHI, K., WATANABE, T., GRIFFITHS, O. AND STANLEY, M. 1993. Population genetics of crab-eating macaques (Macaca fascicularis) on the island of Mauritius. Am. J. Primatol 29, 167-182.
89. KOZOL, A. J., TRANIELLO, J. F. A. AND WILLIAMS, S. M. 1994. Genetic variation in the endangered burying beetle Nicrophorus americanus (Coleoptera: Silphidae). Ann. Entomol. Soc. Am., 87, 928-935.
90. LEBERG, P. L. 1992. Effects of population bottlenecks on genetic diversity as measured by allozyme electrophoresis. Evolution, 46, 477-494.
91. LEDIG, F. T. AND CONKLE, M. P. 1983. Gene diversity and genetic structure in a narrow endemic, Torrey pine (Pinus torreyana Parry ex Carr.). Evolution, 37, 79-85.
92. LEUNG, L. K.-P., DICKMAN, C. R. AND MOORE, L. A. 1993. Genetic variation in fragmented populations of an Australian rainforest rodent, Melomys cervinipes. Pacific Conserv. Biol, 1, 58-65.
93. LÓPEZ-FANJUL, C. AND VILLAVERDE, A. 1989. Inbreeding increases genetic variance for viability in Drosophila melanogaster. Evolution, 43, 1800-1804.
94. McDOWALL, R. M. 1969. Extinction and endemism in New Zealand land birds. Tuatara, 17, 1-12.
95. McKINNEY, C. O., SELANDER, R. K., JOHNSON, W. E. AND YANG, S. Y. 1972. Genetic variation in the side-blotched lizard (Uta stansburiana). In: Studies in Genetics, vol. VII, pp. 307-318. University of Texas Publication no. 7213.
96. McNEELY, J. A., MILLER, K. R., REID, W. V., MITTERMEIER, R. A. AND WERNER, T. B. 1990. Conserving the World's Biological Diversity. IUCN, Gland, Switzerland.
97. MITHTHAPALA, S., SEIDENSTICKER, J., PHILLIPS, L. G., GOODROWE, K. L., FERNANDO, S. B. U., FORMAN, L. AND O'BRIEN, S. J. 1991. Genetic variation in Sri Lankan leopards. Zoo Biol., 10, 139-146.
98. MOSSELER, A., INNES, D. J. AND ROBERTS, B. A. 1991. Lack of allozymic variation in disjuct Newfoundland populations of red pine (Pinus resinosa). Can. J. Forest Res., 21, 525-528.
99. MYERS, N. 1979. The Sinking Ark. A New Look at the Problem of Disappearing Species. Pergamon Press, New York.
100. NAVAJAS Y NAVARRO, M. AND BRITTON-DAVIDIAN, J. 1989. Genetic structure of insular Mediterranean populations of the house mouse. Biol. J. Linn. Soc., 36, 377-390.
101. NEVO, E. 1978. Genetic variation in natural populations: patterns and theory. Theor. Pop. Biol., 13, 121-177.
102. NEVO, E., BIELES, A. AND BEN-SHLOMO, R. 1984. The evolutionary significance of genetic diversity: ecological, demographic and life history correlates. In: Mani, G. S. (ed.) Evolutionary Dynamics of Genetic Diversity, pp. 13-213. Springer-Verlag, Berlin.
103. NOVAK, S. J. AND MACK, R. N. 1993. Genetic variation in Bromus tectorum (Poaceae): comparison between native and introduced populations. Heredity, 71, 167-176.
104. NOZAWA, K., SHOTAKE, T. AND OKURA, Y. 1975. Blood protein polymorphisms and population structure of the Japanese macaque Macaco fuscata fuscata. In: Markert, G. L. (ed.) Isozymes. IV Genetics and Evolution, pp. 225-241. Academic Press, New York.
105. NOZAWA, K., SHOTAKE, T., MINEZAWA, M., KAWAMOTO, Y., HAYASAKA, K., KAWAMOTO, S. AND ITO, S.-I. 1991. Population genetics of Japanese monkeys: III. Ancestry and differentiation of local populations. Primates, 32, 411-435.
106. O'BRIEN, S. J. AND EVERMANN, J. F. 1988. Interactive influence of infectious disease and genetic diversity in natural populations. Trends Ecol. Evol., 3, 254-259.
107. OHTA, T. 1992. The near neutral theory of molecular evolution. Ann. Rev. Ecol. Syst., 23, 263-286.
108. OLSON, S. L. 1989. Extinction on islands: Man as a catastrophe. In: Western, D. and Pearl, M. C. (eds) Conservation for the Twenty-First Century, pp. 50-53. Oxford University Press, New York.
109. PACKER, C., PUSEY, A. E., ROWLEY, H., GILBERT, D. A., MARTENSON, J. AND O'BRIEN, S. J. 1991. Case study of a population bottleneck: lions of the Ngorongoro crater. Conserv. Biol., 5, 219-230.
110. PAETKAU, D. AND STROBECK, C. 1994. Microsatellite analysis of genetic variation in black bear populations. Mol. Ecol., 3, 489-495.
111. PATTON, J. L., YANG, S. Y. AND MYERS, P. 1975. Genetic and morphological divergence among introduced rat populations (Rattus rattus) of the Galapagos archipelago, Ecuador. Syst. Zool., 24, 296-310.
112. PERCY, T. G. AND WENDEL, J. F. 1990. Allozyme evidence for the origin and diversification of Gossypium barbadense L. Theor. Appl. Genet., 79, 529-542.
113. PIMM, S. L. 1991. The Balance of Nature: Ecological Issues in the Conservation of Species and Communities. University of Chicago Press, Chicago, IL.
114. POWELL, J. R. 1975. Protein variation in natural populations of animals. Evol. Biol., 8, 79-119.
115. REID, W. V. AND MILLER, K. R. 1989. Keeping Options Alive: The Scientific Basis for Conserving Biodiversity. World Resources Institute, Washington, DC.
116. ROBERTSON, A. 1962. Selection for hetrozygotes in small populations. Genetics, 47, 1291-1300.
117. ROBERTSON, A. 1966. Artificial selection in plants and animals. Proc. R. Soc. B, 164, 341-349.
118. ROBINSON, N. A. 1995. Implications from mitochondrial DNA for management to conserve the eastern barred bandicoot (Perameles gunii). Conserv. Biol., 9, 114-125.
119. ROBINSON, N. A., MURRAY, N. D. AND SHERWIN, W. B. 1993. VNTR loci reveal differentiation between and structure within populations of the eastern barred bandicoot Perameles gunnii. Mol. Ecol., 2, 195-207.
120. ROZAS, J. AND AGUADÉ, M. 1991. Study of an isolated population at the nucleotide level: rp49 region of a Canarian population of Drosophila subobscura. Mol. Biol. Evol., 8, 202-211.
121. RUWENDE, C., KHOO, S. C., SNOW, R. W., YATES, S. N. R., KWAITKOWSKI, D., GUPTA, S. ET AL. 1995. Natural selection of hemi- and heterozygotes for G6PD deficiency in Africa by resistance to severe malaria. Nature, 376, 246-249.
122. RYMAN, N., REUTERWALL, C., NYGRÉN, K. AND NYGRÉN, T. 1980. Genetic variation and differentiation in Scandinavian moose (Alces alces): are large mammals monomorphic? Evolution, 34, 1037-1049.
123. SARRE, S., SCHWANER, T. D. AND GEORGES, A. 1990. Genetic variation among insular populations of the sleepy lizard, Trachydosaurus rugosus Gray (Squamata: Scincidae). Aust. J. Zool., 38, 602-616.
124. SATTA, Y., O'HUIGIN, C., TAKAHATA, N. AND KLEIN, J. 1994. Intensity of natural selection at the major histocompatibility complex loci. Proc. Natl. Acad. Sci. U.S.A., 91, 7184-7188.
125. SAURA, A., HALKKA, O. AND LOKKI, J. 1973. Enzyme gene heterozygosity in small island populations of Philaenus spumarius (L.) (Homoptera). Genetica, 44, 459-473.
126. SCHMITT, L. H. 1978. Genetic variation in isolated populations of the Australian bush-rat, Rattus fuscipes. Evolution, 32, 1-14.
127. SCHMITT, L. H., KITCHENER, D. J. AND HOW, R. A. 1995. A genetic perspective of mammalian variation and evolution in the Indonesian archipelago: biogeographic correlates in the fruit bat genus Cynopterus. Evolution, 49, 399-412.
128. SCHWAEGERLE, K. E. AND SCHAAL, B. A. 1979. Genetic variability and founder effect in the pitcher plant Sarracenia purpurea L. Evolution, 33, 1210-1218.
129. SELANDER, R. K. 1976. Genetic variation in natural populations. In: Ayala, F. J. (ed.) Molecular Evolution, pp. 21-45. Sinauer Associates, Sunderland, MA.
130. SELANDER, R. K. AND JOHNSON, W. E. 1973. Genetic variation among vertebrate species. Ann. Rev. Ecol. Syst., 4, 75-91.
131. SELANDER, R. K. AND KAUFMAN, D. W. 1973. Self-fertilization and genetic population structure in a colonizing land snail. Proc. Natl. Acad. Sci. U.S.A., 70, 1186-1190.
132. SELANDER, R. K., SMITH, M. H., YANG, S. Y., JOHNSON, W. E. AND GENTRY, J. B. 1971. Biochemical polymorphism and systematics in the genus Peromyscus. I. Variation in the old-field mouse (Peromyscus polionotus). University of Texas Publ. Genet., 7103, 49-90.
133. SHAPCOTT, A. 1994. Genetic and ecological variation in Atherosperma moschatum and the implications for conservation of its biodiversity. Aust. J. Bot., 42, 663-686.
134. SHERWIN, W. B., MURRAY, N. D., MARSHALL GRAVES, J. A. AND BROWN, P. R. 1991. Measurement of genetic variation in endangered populations: bandicoots (Marsupialia: Peramelidae) as an example. Conserv. Biol., 5, 103-108.
135. SMITH, F. D. M., MAY, R. M., PELLEW, R., JOHNSON, T. H. AND WALTER, K. R. 1993. How much do we know about the current extinction rate? Trends Ecol. Ecol, 8, 375-378.
136. SOULÉ, M. E. 1972. Phenetics of natural populations. III. Variation in insular populations of a lizard. Am. Nat., 106, 429-446.
137. SOULÉ, M. E. 1976. Allozyme variation, its determinants in space and time. In: Ayala, F. J. (ed.) Molecular Evolution, pp. 60-77. Sinauer Associates, Sunderland, MA.
138. SOULÉ, M. E. 1980. Thresholds for survival: maintaining fitness and evolutionary potential. In: Soulé, M. E. and Wilcox, B. A. (eds) Conservation Biology: An Evolutionary-Ecological Perspective, pp. 151-169. Sinauer Associates, Sunderland, MA.
139. SOULÉ, M. E. 1983. What do we really know about extinction? In: Schonewald-Cox, C. M., Chambers, S. M., MacBryde, B. and Thomas, L. (eds) Genetics and Conservation: A Reference for Managing Wild Animal and Plant Populations, pp. 111-125. Benjamin/ Cummings, Menlo Park, CA.
140. SOULÉ, M. E. AND YANG, S. Y. 1973. Genetic variation in side-blotched lizards in the Gulf of California. Evolution, 27, 593-600.
141. SPOONER, D. M., DOUCHES, D. S. AND CONTRERAS M. A. 1992. Allozyme variation within Solanum Sect. Pelota, ser. Etuberosa (Solanaceae). Am. J. Bot., 79, 467-471.
142. STEINER, W. W. M., SUNG, K. C. AND PAIK, Y. K. 1976. Electrophoretic variability in island populations of Drosophila simulans and Drosophila immigrons. Biochem. Genet, 14, 495-506.
143. STEPIEN, C. A. AND ROSENBLATT, R. H. 1991. Patterns of gene flow and genetic divergence in the northeastern Pacific Clinidae (Teleosteri: Blennioidei), based on allozymes and morphological data. Copeia, 1991 (4), 873-896.
144. STEWART, D. T. AND BAKER, A. J. 1992. Genetic differentiation and biogeography of the masked shrew in Atlantic Canada. Can. J. Zool., 70, 106-114.
145. STONE, G. N. AND SUNNUCKS, P. 1993. Genetic consequences of an invasion through a patchy environment - the cypinid gallwasp Andricus quercuscalicis (Hymenoptera: Cynipidae). Mol. Ecol, 2, 251-268.
146. TAYLOR, C. E. AND GORMAN, G. C. 1975. Population genetics of a 'colonising' lizard: natural selection for allozyme morphs Anolis grahami. Heredity, 35, 241-247.
147. TEMPLE, S. 1986. Why endemic island birds are so vulnerable to extinction. In: Temple, S. (ed.) Bird Conservation 2, pp. 3-6. International Council for Bird Preservation, US Section: University of Wisconsin Press, Madison, WI.
148. TSUMURA, Y. AND OHBA, K. 1993. Genetic structure of geographical marginal populations of Cryptomeria japonica. Can. J. Forest Res., 23, 859-863.
149. VITOUSEK, P. M. 1988. Diversity and biological invasions of oceanic islands. In: Wilson, E. O. and Peters, F. M. (eds) Biodiversity, pp. 181-189. National Academy Press, Washington, DC.
150. WARNER, R. E. 1968. The role of introduced diseases in the extinction of the endemic Hawaiian avifauna. Condor, 70, 101-120.
151. WAYNE, R. K., GEORGE, S. B., GILBERT, D., COLLINS, P. W., KOVACH, S. D., GIRMAN, D. AND LEHMAN, N. 1991a. A morphological and genetic study of the island fax, Urocyon littoralis. Evolution, 45, 1849-1868.
152. WAYNE, R. K., LEHMAN, N., GIRMAN, D., GOGAN, P. J. P., GILBERT, D. A., HANSEN, K. ET AL. 1991b. Conservation genetics of the endangered Isle Royale gray wolf. Conserv. Biol., 5, 41-51.
153. WEBSTER, T. P., SELANDER, R. K. AND YANG, S. Y. 1972. Genetic variability and similarity in the Anolis lizards of Bimini. Evolution, 26, 523-535.
154. WENDEL, J. F. AND PERCIVAL, A. E. 1990. Molecular divergence in the Galapagos Islands-Baja California species pair, Gossypium klotzschianum and G. davidsonii (Malvaceae). Pl. Syst. Evol., 171, 99-115.
155. WENDEL, J. F. AND PERCY, R. G. 1990. Allozymic diversity and introgression in the Galapagos Islands endemic Gossypium darwinii and its relationship to continental G. barbadense. Biochem. Syst. Ecol., 18, 517-528.
156. WENDEL. J. F., BRUBAKER, C. L. AND PERCIVAL, E. A. 1992. Genetic diversity in Gossypium hirsutum and the origin of upland cotton. Am. J. Bot., 79, 1291-1310.
157. WILSON, E. O. 1994. Naturalist. Island Press, Shearwater Books, Washington, DC.
158. WOODRUFF, D. S. 1975. Allozyme variation and genie heterozygosity in the Bahaman pulmonate snail Cerion bendalli. Malacolog. Rev., 8, 47-55.
159. WORLD CONSERVATION MONITORING CENTRE. 1992. Global Biodiversity: Status of the Earth's Living Resources. Chapman and Hall, London.
160. WRIGHT, S. 1931. Evolution in Mendelian populations. Genetics, 16, 97-159.
161. ZANETTO, A. AND KREMER, A. 1995. Geographic structure of gene diversity in Quercus petraea (Matt.) Liebl. I. Monolocus patterns of variation. Heredity, 75, 506-517.
162. ZINK, R. M., LOTT, D. F. AND ANDERSON, D. W. 1987. Genetic variation, population structure, and evolution of California Quail. Condor, 89, 395-405.