Sex Ratio of Common Musk Turtles (Sternotherus odoratus) in aNorth-Central Indiana Lake: a Long-Term Study

GEOFFREY R. SMITH; JOHN B. IVERSON

doi:10.1674/0003-0031(2002)148[0185:SROCMT]2.0.CO;2

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GEOFFREY R. SMITH,^1,* JOHN B. IVERSON²

¹aDepartment of Biology, Denison University, Granville, Ohio 43023
²bDepartment of Biology, Earlham College, Richmond, Indiana 47374

^*Corresponding author: smithg@denison.edu

Abstract

We studied the sex ratio of a population of common musk turtles (Sternotherus odoratus) from Dewart Lake in north-central Indiana. From 1979 to 2000 we trapped S. odoratus nearly annually using wire traps or fyke nets. Sex ratios were consistently male biased (average = 64.9% males) and did not vary between trap types or time of day. Available evidence points to differential mortality of the sexes as a possible cause for the biased sex ratios. However, additional work is needed.

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GEOFFREY R. SMITH and JOHN B. IVERSON "Sex Ratio of Common Musk Turtles (Sternotherus odoratus) in aNorth-Central Indiana Lake: a Long-Term Study," The American Midland Naturalist 148(1), 185-189, (1 July 2002). https://doi.org/10.1674/0003-0031(2002)148[0185:SROCMT]2.0.CO;2

Accepted: 1 February 2002; Published: 1 July 2002

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