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Fig. 21. Effect of male-female body size difference on mating success in coconut crab Birgus latro. The equation of the logistic curve (solid line) that was fitted to the proportion of mating success is S = 1/[1 + exp(1.07–0.97 × Difference)] (Cox and Snell's r2 = 0.65, n = 56). The residual of 50% mating success (MS50) was estimated as 1.1 mm TL, indicated by the broken line. TL: thoracic length. Reprinted and modified with permission from Marine Ecology Progress Series, 402, Sato and Yoseda, Influence of size- and sex-biased harvesting on reproduction of the coconut crab Birgus latro, 171–178, Fig. 3, © 2010, Inter-Research Science Center.

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