Birth sex in an expanding black rhinoceros (Diceros bicornis minor) population

Journal of Mammalogy

Volumn 95, Issue 2, 2014, Pages 349-356

  Law, Peter R ^a   Fike, Brad ^a   Lent, Peter C ^b  

^a Department of Zoology and Entomology University of Fort Hare ^*  (South Africa)

^b UNIVERSITY OF FORT HARE   (South Africa)

Author keywords

Birth sex; Black rhino; Diceros bicornis; Local resource competition; Maternal state; Sex allocation

Indexed keywords

AGE STRUCTURE; BIRTH RATE; LITERATURE REVIEW; POPULATION SIZE; REGRESSION ANALYSIS; REINTRODUCTION; RESOURCE ALLOCATION; SEX ALLOCATION; SEX RATIO; UNGULATE;

EID: 84898866074     PISSN: 00222372     EISSN: 15451542     Source Type: Journal    
DOI: 10.1644/13-MAMM-A-175     Document Type: Article

References (62)

1. BERKELEY, E. V., AND W. L. LINKLATER. 2010. Annual and seasonal rainfall may influence progeny sex ratio in the black rhinoceros. South African Journal of Wildlife Research 40:53-57.
2. BURNHAM, K. P., AND D. R. ANDERSON. 2002. Model selection and multimodel inference: a practical information-theoretic approach. 2nd ed. Springer-Verlag, New York.
3. CAMERON, E. Z. 2004. Facultative adjustment of mammalian sex ratios in support of the Trivers-Willard hypothesis: evidence for a mechanism. Proceedings of the Royal Society of London, B. Biological Sciences 271:1723-1728.
4. CAMERON, E. Z., P. R. LEMONS, P. W. BATEMAN, AND N. C. BENNETT. 2008. Experimental alteration of litter sex ratios in a mammal. Proceedings of the Royal Society of London B. Biological Sciences 275:323-327.
5. CAMERON, E. Z., AND W. L. LINKLATER. 2007. Extreme sex ratio variation in relation to change in condition around gestation. Biology Letters 3:395-397.
6. CAMERON, E. Z., W. L. LINKLATER, K. J. STAFFORD, AND E. O. MINOT. 2000. Aging and improving reproductive success in horses: declining reproductive value or just older and wiser? Behavioral Ecology and Sociobiology 47:243-249.
7. CHARLESWORTH, B. 1994. Evolution in age-structured populations. 2nd ed. Cambridge University Press, Cambridge, United Kingdom.
8. CHARNOV, E. L. 1982. Sex allocation. Princeton University Press, Princeton, New Jersey.
9. COCKBURN, A., S. LEGGE, AND M. C. DOUBLE. 2002. Sex ratios in birds and mammals: can the hypotheses be disentangled? Pp. 266-286 in Sex ratios: concepts and research methods (I. C. W. Hardy, ed.). Cambridge University Press, Cambridge, United Kingdom.
10. CONVERSE, S. J., G. C. WHITE, AND W. M. BLOCK. 2006. Small mammal responses to thinning and wildfire in ponderosa pine-dominated forests of the southwestern United States. Journal of Wildlife Management 70:1711-1722.
11. CÔTÉ, S. D., AND M. FESTA-BIANCHET. 2001. Offspring sex ratio in relation to maternal age and social rank in mountain goats (Oreamnos americanus). Behavioral Ecology and Sociobiology 49:260-265.
12. DOHERTY, P. F., G. C. WHITE, AND K. P. BURNHAM. 2012. Comparison of model building and selection strategies. Journal of Ornithology 152, supplement 2:S317-S323.
13. EMSLIE, R. H., K. ADCOCK, AND H. B. HANSEN. 1995. Fine tuning the Rhino Management Group age class system. Rhino Management Group, Rhino Resource Center, www.rhinoresourcecenter.com. Accessed February 11, 2014.
14. FESTA-BIANCHET, M. 1996. Offspring sex ratio studies of mammals: does publication depend upon quality of the research or direction of the results? Ecoscience 3:42-44.
15. FIKE, B. 2011. The demography and population dynamics of a re-introduced black rhinoceros population on the Great Fish River Reserve, Eastern Cape Province. M.S. Thesis, Rhodes University, Grahamstown, South Africa.
16. FRANK, S. A. 1987. Individual and population sex allocation patterns. Theoretical Population Biology 31:47-74.
17. FRANK, S. A. 1998. Foundations of social evolution. Princeton University Press, Princeton, New Jersey.
18. GANQA, N. M., P. F. SCOGINGS, AND J. G. RAATS. 2005. Diet selection and forage quality factors affecting woody plant selection by black rhinoceros in the Great Fish River Reserve, South Africa. South African Journal of Wildlife Research 35:77-83.
19. GARNIER, J. N., M. W. BRUFORD, AND B. GOOSENS. 2001. Mating system and reproductive skew in the black rhinoceros. Molecular Ecology 10:2031-2041.
20. GARROWAY, C. J., AND H. G. BRODERS. 2007. Adjustment of reproductive investment and offspring sex ratio in white-tailed deer (Odocoileus virginianus) in relation to winter severity. Journal of Mammalogy 88:1305-1311.
21. GELMAN, A., AND J. HILL. 2007. Data analysis using regression and multilevel/hierarchical models. Cambridge University Press, Cambridge, United Kingdom.
22. GREEN, W. C. H., AND A. ROTHSTEIN. 1991. Sex bias or equal opportunity? Patterns of maternal investment in bison. Behavioral Ecology and Sociobiology 29:373-384.
23. HARDY, I. C. W. (ed.). 2002. Sex ratios: concepts and research methods. Cambridge University Press, Cambridge, United Kingdom.
24. HELLE, S., T. LAAKSONEN, A. ADAMSSON, J. PARANKOS, AND O. HUITU. 2008. Female field voles with high testosterone and glucose levels produce male-biased litters. Animal Behaviour 75:1031-1039.
25. HEWISON, A. J., J.-M. GAILLARD, P. BLANCHARD, AND M. FESTA-BIANCHET. 2002. Maternal age is not a predominant determinant of progeny sex ratio variation in ungulates. Oikos 98:334-339.
26. HOGG, J. T., C. C. HASS, AND D. A. JENNI. 1992. Sex-biased maternal expenditure in Rocky Mountain bighorn sheep. Behavioral Ecology and Sociobiology 31:243-251.
27. HOSMER, D. W., AND S. LEMESHOW. 2000. Applied logistic regression. 2nd ed. Wiley Inter-Science, New York.
28. HRABAR, H., AND J. T. DU TOIT. 2005. Dynamics of a protected black rhino (Diceros bicornis) population: Pilanesberg National Park, South Africa. Animal Conservation 8:259-267.
29. ISAAC, J. L., A. K. KROCKENBERGER, AND C. N. JOHNSON. 2005. Adaptive sex allocation in relation to life-history in the common brushtail possum Tichosurus vulpecula. Journal of Animal Ecology 74:552-558.
30. KOJOLA, I. 1998. Sex ratio and maternal investment in ungulates. Oikos 83:567-573.
31. KRACKOW, S. 2002. Why parental sex ratio manipulation is rare in higher vertebrates. Ethology 108:1041-1056.
32. KRUUK, L. E. B., T. H. CLUTTON-BROCK, S. D. ALBON, J. M. PEMBERTON, AND F. E. GUINNESS. 1999. Population density affects sex ratio variation in red deer. Nature 399:459-461.
33. LAW, P. R., B. FIKE, AND P. C. LENT. 2013. Mortality and female fecundity in an expanding black rhinoceros (Diceros bicornis minor) population. European Journal of Wildlife Research 59:477-485.
34. LEIMAR, O. 1996. Life-history analysis of the Trivers and Willard sex-ratio problem. Behavioral Ecology 7:316-325.
35. LENT, P. C., AND B. FIKE. 2003. Home ranges, movements and spatial relationships in an expanding population of black rhinoceros in the Great Fish River Reserve, South Africa. South African Journal of Wildlife Research 33:109-118.
36. LINKLATER, W. L. 2007. Translocation reverses birth sex ratio depending on its timing during gestation: evidence for the action of two sex-Allocation mechanisms. Reproduction, Fertility and Development 19:831-839.
37. MARTIN, J. G. A., AND M. FESTA-BIANCHET. 2011. Sex ratio bias and reproductive strategies: what sex to produce when? Ecology 92:441-449.
38. MYSTERUD, A., N. G. YOCCOZ, N. C. STENSETH, AND R. LANGVATN. 2000. Relationship between sex ratio, climate and density in red deer: the importance of spatial scale. Journal of Animal Ecology 69:959-974.
39. NAKAGAWA, S., AND H. SCHIELZETH. 2010. Repeatability for Gaussian and non-Gaussian data: a practical guide for biologists. Biological Reviews 85:935-956.
40. OWEN-SMITH, R. N. 1988. Megaherbivores: the influence of very large body size on ecology. Cambridge University Press, Cambridge, United Kingdom.
41. PEN, I., AND F. J. WEISSING. 2002. Optimal sex allocation: steps towards a mechanistic theory. Pp. 26-45 in Sex ratios: concepts and research methods (I. C. W. Hardy, ed.). Cambridge University Press, Cambridge, United Kingdom.
42. PROFFITT, K. M., R. A. GARROTT, AND J. J. ROTELLA. 2008. Variation in offspring sex ratio among individual Weddell seal (Leptonychotes weddellii) females of different quality. Behavioral Ecology and Sociobiology 62:1679-1687.
43. RASMUSSEN, H. B., G. WITTEMYER, AND I. DOUGLAS-HAMILTON. 2006. Predicting time-specific changes in demographic processes using remote-sensing data. Journal of Applied Ecology 43:366-376.
44. R DEVELOPMENT CORE TEAM. 2009. R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. www.R-project.org.
45. ROCHE, J. R., J. M. LEE, AND D. P. BERRY. 2006. Pre-conception energy balance and secondary sex ratio-partial support for the Trivers-Willard hypothesis in dairy cows. Journal of Dairy Science 89:2119-2125.
46. SALTZ, D. 2001. Progeny sex ratio variation in ungulates: maternal age meets environmental perturbation of demography. Oikos 94:377-384.
47. SALTZ, D., AND P. KOTLER. 2003. Maternal age is a predominant determinant of progeny sex ratio variation in ungulates: a reply to Hewison et al. Oikos 101:646-648.
48. SCHWANZ, L. E., J. G. BAGG, AND E. L. CHARNOV. 2006. Maternal condition and facultative sex ratios in populations with overlapping generations. American Naturalist 168:521-530.
49. SCHWANZ, L. E., F. J. JANZEN, AND S. R. PROULX. 2010. Sex allocation based on relative and absolute condition. Evolution 64:1331-1345.
50. SHELDON, B. C, AND S. A. WEST. 2004. Maternal dominance, maternal condition, and offspring sex ratio in ungulate mammals. American Naturalist 163:40-54.
51. SHORROCKS, B. 2007. The biology of African savannahs. Oxford University Press, Oxford, United Kingdom.
52. TRIMBLE, M. J., S. M. FERREIRA, AND R. J. VAN AARDE. 2009. Drivers of megaherbivore demographic fluctuations: inference from elephants. Journal of Zoology (London) 279:18-26.
53. VAN HOOFT, P., ET AL. 2010. Rainfall-driven sex-ratio genes in African buffalo suggested by correlations between Y-chromosomal haplo-type frequencies and foetal sex ratio. BMC Evolutionary Biology 10:106.
54. VAN LEVERLOO, R. J., ET AL. 2009. A comparison of faecal analysis with backtracking to determine the diet composition and species preference of the black rhinoceros (Diceros bicornis minor). European Journal of Wildlife Research 55:505-515.
55. VISSCHER, D. R., R. J. VAN AARDE, AND I. WHYTE. 2004. Environmental and maternal correlates of foetal sex ratios in African buffalo (Syncerus caffer) and savanna elephant (Loxodonta africana). Journal of Zoology (London) 264:111-116.
56. WELADJI, R. B., AND K. LAFLAMME-MAYER. 2011. Influence of environmental conditions on sex allocation in the black rhinoceros population of Mkhuze Game Reserve, South Africa. African Journal of Ecology 49:471-480.
57. WEST, S. A. 2009. Sex allocation. Princeton University Press, Princeton, New Jersey.
58. WEST, S. A., AND H. C. J. GODFRAY. 1997. Sex ratio strategies after perturbation of the stable age distribution. Journal of Theoretical Biology 186:213-221.
59. WILD, G, AND S. A. WEST. 2007. A sex allocation theory for vertebrates: combining local resource competition and condition-dependent allocation. American Naturalist 170:E112-E128.
60. WILLIAMS, B. K., J. D. NICHOLS, AND M. J. CONROY. 2002. Analysis and management of animal populations. Academic Press, San Diego, California.
61. ZAR, J. H. 1999. Biostatistical analysis. 4th ed. Prentice Hall, Upper Saddle River, New Jersey.
62. ZUUR, A. F., E. N. IENO, N. J. WALKER, A. A. SAVELIEV, AND G. M. SMITH. 2009. Mixed effects models and extensions in ecology with R. Springer-Verlag, New York.