Compound-specific isotopic analysis of amino acids (CSIA-AA) has emerged in the last
decade as a powerful approach for tracing the origins and fate of nitrogen in ecological and …

Estimating trophic structures is a common approach used to retrieve information regarding
energy pathways, predation, and competition in complex ecosystems. The application of …

Food webs are known to have myriad trophic links between resource and consumer
species. While herbivores have well‐understood trophic tendencies, the difficulties …

The increasing use of trophic position (TP) for assessing and describing ecosystems has
resulted in the emergence of novel techniques for accurate and accessible measurements …

In most ecosystems, microbes are the dominant consumers, commandeering much of the
heterotrophic biomass circulating through food webs. Characterizing functional diversity …

Assessment of isotopic compositions at the base of food webs is a prerequisite for using
stable isotope analysis to assess foraging locations and trophic positions of marine …

We used bulk tissue δ13C and δ15N values and δ15N values of individual amino acids (AA)
to characterize the trophic structure of a pelagic fish assemblage from the North Pacific …

Fossil sloths are regarded as obligate herbivores for reasons including peculiarities of their
craniodental morphology and that all living sloths feed exclusively on plants. We challenge …

According to modern oceanographic perspectives that emphasize microbial pathways,
phagotrophic protists comprise one to several levels of intermediate consumers between …

Abstract Objectives The Rapa Nui “ecocide” narrative questions whether the prehistoric
population caused an avoidable ecological disaster through rapid deforestation and over …