Open Access Research article

A geographic cline induced by negative frequency-dependent selection

Yuma Takahashi1*, Satoru Morita2, Jin Yoshimura234 and Mamoru Watanabe1

Author Affiliations

1 Division of Ecology and Evolutionary Biology, Graduate School of Life Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba, Sendai, Miyagi 980-8578, Japan

2 Department of Systems Engineering, Shizuoka University, Naka, Hamamatsu 432-8561, Japan

3 Department of Environmental and Forest Biology, State University of New York College of Environmental Science and Forestry, Syracuse 13210, New York, USA

4 Marine Biosystems Research Center, Chiba University, Kamogawa, Chiba 299-5502, Japan

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BMC Evolutionary Biology 2011, 11:256  doi:10.1186/1471-2148-11-256

Published: 14 September 2011

Additional files

Additional file 1:

Table S1: Results of the line census in 2009.

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Additional file 2:

Figure S1: Relationship between latitude and the volume of mature eggs for each morph.

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Additional file 3:

Figure S2: Relationship between the length of abdomen and the number of immature eggs in an ovariole.

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