3Justin D C, Roy D N, Arthur E D, et al. The relationship of body size to survivorship of hatchling snapping turtles (Chelydra serpentina ) : an evaluation of the "bigger is better" hypothesis [J]. Oeeologia, 1999, 121(2): 224-235.
4Yntema C L. Temperature levels and periods of sex determination during incubation of eggs of Chelydra serpentina [J]. Journal of Morphology, 1979, 159 (1) : 17-27.
5Maxwell H M, Dudley D C J, Robert C R. Effects of dietary energy: protein ratio and stocking density on growth and survival of the common snapping turtle Chelydra serpentina [J]. Journal of the World Aquaculture Society, 1996, 27(1): 64-73.
6Connor M J, Wheeler V. Chinese box turtle Cistoclemmys flavomargimm Gray 1863[J]. Tormga Gazette, 1998, 34(10) : 1-7.
7Palacios M G, Sparkman A M, Bronikowski A M. Developmental plasticity of immune defence in two life- history ecotypes of the garter snake, Tharnnophis elegans- a common-environment experiment [J]. Journal of Animal Ecology, 2011, 80(2) : 431-437.
