Fig. 6: Regression of paired δ15Nenamel (this study) versus δ66Znenamel (from Bourgon et al.40) values for the Late Pleistocene fossil teeth from Tam Hay Marklot (\(\bar{x}\) ± 1σ; n = 10). | Communications Biology

Fig. 6: Regression of paired δ15Nenamel (this study) versus δ66Znenamel (from Bourgon et al.40) values for the Late Pleistocene fossil teeth from Tam Hay Marklot (\(\bar{x}\) ± 1σ; n = 10).

From: Tooth enamel nitrogen isotope composition records trophic position: a tool for reconstructing food webs

Fig. 6

The black line indicates the regression for all fossils, and the equation for the regression, R2 value, and p value are indicated in the upper right of the figure. The two trophic level proxies are negatively correlated, as expected.

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