The confounding effects of source isotopic heterogeneity on consumer–diet and tissue–tissue stable isotope relationships

D Codron, M Sponheimer, J Codron, I Newton… - Oecologia, 2012 - Springer
Stable isotope analysis of consumer tissues document patterns of resource use because
data are linearly related to isotope compositions of their source (s)(ie, food, water, etc.) …

Carnivore stable carbon isotope niches reflect predator–prey size relationships in African savannas

J Codron, NL Avenant, C WIGLEY‐COETSEE… - Integrative …, 2018 - Wiley Online Library
Predator–prey size relationships are among the most important patterns underlying the
structure and function of ecological communities. Indeed, these relationships have already …

Resolving temporal variation in vertebrate diets using naturally occurring stable isotopes

F Dalerum, A Angerbjörn - Oecologia, 2005 - Springer
Assessments of temporal variation in diets are important for our understanding of the
ecology of many vertebrates. Ratios of naturally occurring stable isotopes in animal tissues …

Using δ13C stable isotopes to quantify individual-level diet variation

MS Araújo, DI Bolnick, G Machado, AA Giaretta… - Oecologia, 2007 - Springer
Individual-level diet variation can be easily quantified by gut-content analysis. However,
because gut contents are a 'snapshot'of individuals' feeding habits, such cross-sectional …

Important impacts of tissue selection and lipid extraction on ecological parameters derived from stable isotope ratios

MJ Perkins, RA McDonald… - Methods in Ecology …, 2013 - Wiley Online Library
The nitrogen (δ15N) and carbon (δ13C) isotope ratios of animal tissues can help identify the
composition of diets and open up a myriad of ecological applications. However, consumers …

Predicting rates of isotopic turnover across the animal kingdom: a synthesis of existing data

SM Thomas, TW Crowther - Journal of Animal Ecology, 2015 - Wiley Online Library
The stable isotopes of carbon (12C, 13C) and nitrogen (14N, 15N) represent powerful tools
in food web ecology, providing a wide range of dietary information in animal consumers …

Biases in the analysis of stable isotope discrimination in food webs

K Auerswald, MHOM Wittmer, A Zazzo… - Journal of Applied …, 2010 - Wiley Online Library
Recently, Caut, Angulo & Courchamp (2009, Journal of Applied Ecology) published a review
on diet‐tissue isotopic shifts in animals. They concluded that diet‐tissue shifts are influenced …

Best practices for use of stable isotope mixing models in food-web studies

DL Phillips, R Inger, S Bearhop… - Canadian Journal of …, 2014 - cdnsciencepub.com
Stable isotope mixing models are increasingly used to quantify consumer diets, but may be
misused and misinterpreted. We address major challenges to their effective application …

Reevaluating trophic discrimination factors (Δδ13C and Δδ15N) for diet reconstruction

RB Stephens, AP Ouimette, EA Hobbie… - Ecological …, 2022 - Wiley Online Library
Stable isotope analysis is increasingly being used to assess diet and trophic positions of
animals. Such assessments require estimates of trophic discrimination factors (TDFs)—offset …

Amino Acid δ13C Analysis Shows Flexibility in the Routing of Dietary Protein and Lipids to the Tissue of an Omnivore

SD Newsome, N Wolf, J Peters, ML Fogel - 2014 - academic.oup.com
Stable-isotope analysis (SIA) has revolutionized animal ecology by providing time-
integrated estimates of the use of resources and/or habitats. SIA is based on the premise …