1. Toward understanding the geography of omnivory, we tested three hypotheses that predict the proportion of animal tissue consumed: The Sodium Limitation Hypothesis predicts that omnivores increase a
The paleoecology of Cretaceous planktic foraminifera during the Late Cenomanian to Coniacian period (~95-86 Ma) remains controversial since much of the tropical marine record is preserved as chalk and
Stable isotope ratios (13C/12C) of carbon (δ13C) for fish and local food sources (benthic invertebrates and periphyton) collected from multiple locations in rivers that vary in rhythmicity.
Stable isotopic values obtained for the mid to late Pliocene section of Site 138-846. Values are a composite of data previously reported by Shackleton et al. ( Shackleton N, Hall, M.A. and Pate, D.. P
