Sympatric variability of isotopic baselines influences modeling of fish trophic patterns

Abstract

Stable isotope signatures of freshwater snails and mussels have been established as a convenient baseline measurement at the primary consumer level for food-web coupling studies. We measured δ15N and δ13C of primary consumers, including mussels (Anodonta woodiana, Cristaria plicata, and Unio douglasiae), snails (Bellamya aeruginosa and Hippeutis sp.), and… (More)
DOI: 10.1007/s10201-010-0327-z

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