2 c), but while there was no significant relationship between δ 15 N and male length, there was a decreasing trend (Fig. 2 d).
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Sex, size and isotopes: cryptic trophic ecology of an apex predator, the white shark <i>Carcharodon carcharias</i>.
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The sentences
While we did not find a significant relationship between male length and δ 15 N, males, and particularly those > 3 m, did show an overall trend for depletion of δ 15 N with increasing length, which may have been weakened by a relatively small sample size.