Body mass predicts isotope enrichment in herbivorous mammals

JV Tejada-Lara, BJ MacFadden… - … of the Royal …, 2018 - royalsocietypublishing.org
… of body masses—sloths—we discovered considerable variation in diet–bioapatite d13C
enrichment … of d13C enrichment with body mass for all mammalian herbivores. A single-factor …

Stable-nitrogen isotope enrichment in avian tissues due to fasting and nutritional stress: implications for isotopic analyses of diet

KA Hobson, RT Alisauskas, RG Clark - The Condor, 1993 - academic.oup.com
… not increase, body mass showed significantly enriched tissue 615N … in body, pectoral muscle,
liver and abdominal fat mass … We hypothesize a mechanism of tissue VSN enrichment due …

Modeling the dynamics of stable isotope tissue-diet enrichment

CH Remien - Journal of Theoretical Biology, 2015 - Elsevier
… We use the model to explore the effect of changes in dietary intake, both composition and
amount, and in energy expenditure, on body mass and carbon and nitrogen stable isotope

Stable carbon and nitrogen isotope enrichment in primate tissues

BE Crowley, ML Carter, SM Karpanty, AL Zihlman… - Oecologia, 2010 - Springer
… Table 2 Species, body mass of males and females, and provenience of specimens included
… on the apparent isotopic enrichment in carbon and nitrogen isotopes between collagen and …

The stony road to understand isotopic enrichment and turnover rates: insight into the metabolic part

S Lefebvre, S Dubois - Vie Et Milieu-life And Environment, 2016 - archimer.ifremer.fr
… state is a prevalent factor in this relationship over body mass. In addition, although
organisms were fed ad libitum, offering optimal growth conditions could be problematic when …

Isotopic enrichment in herbivorous insects: a comparative field-based study of variation

KO Spence, JA Rosenheim - Oecologia, 2005 - Springer
bodies for analysis because initial explorations showed that different portions of the insect’s
body … Our analyses treated the mean isotopic enrichment for a particular herbivore–plant pair …

Stable isotope enrichment 15N and δ13C) in a generalist predator (Pardosa lugubris, Araneae: Lycosidae): effects of prey quality

K Oelbermann, S Scheu - Oecologia, 2002 - Springer
… In order to analyse the time course of stable isotope enrichment… progressing development,
age and body weight, the 15N … We hypothesized that variations in stable isotope enrichment in …

[PDF][PDF] Mass-balance models for animal isotopic ecology

CM Del Rio, BO Wolf - Physiological and ecological adaptations to feeding …, 2005 - Citeseer
… To our knowledge, no study has examined the relationship between nitrogen isotope
enrichmentbody mass. Testing and refining nitrogen isotope composition mass balance models …

Kinetics of stable isotope and body composition in olive baboons (Papio anubis) estimated by deuterium dilution space: a pilot study

C Garcia, L Rosetta, A Ancel, PC Lee… - Journal of medical …, 2004 - Wiley Online Library
Body mass may be a relatively poor indicator of body fat, since age, sex and reproductive
state all can affect the relationship between mass … , E f is the enrichment some time later [10 (…

Use of size-based production and stable isotope analyses to predict trophic transfer efficiencies and predator-prey body mass ratios in food webs

S Jennings, KJ Warr, S Mackinson - Marine Ecology Progress Series, 2002 - int-res.com
… If we assume that there is a 3.4‰ enrichment in δ15N per trophic level (… isotope (δ15N)
estimates of trophic level by bodymass class to estimate TE, mean predator-prey bodymass ratios …