A Noninvasive Method for Estimating Nitrogen Balance in Free-Ranging Primates

nlme : Linear and nonlinear mixed effects models

Saikat DebRoy · Medical Entomology and Zoology · 2006 · 10.2K citations

Computing, Biostatistics, Computer Science +9

Influence of diet on the distribution of nitrogen isotopes in animals

Michael J. DeNiro, Samuel Epstein · Geochimica et Cosmochimica Acta · 1981 · 6.1K citations

Life Sciences, Nutritional Sciences, Zoology +11

Optimal foraging, the marginal value theorem

Eric L. Charnov · Theoretical Population Biology · 1976 · 5.4K citations

Natural Sciences, Mathematics, Optimization +11

The Phenology of Tropical Forests: Adaptive Significance and Consequences for Primary Consumers

Carel P. van Schaik, John Terborgh, S. Joseph Wright‬ · Annual Review of Ecology and Systematics · 1993 · 1.3K citations

Life Sciences, Ecology, Plant Biology +17

Stable-Nitrogen Isotope Enrichment in Avian Tissues Due to Fasting and Nutritional Stress: Implications for Isotopic Analyses of Diet

Keith A. Hobson, Ray T. Alisauskas, Robert G. Clark · Ornithological Applications · 1993 · 888 citations · Full text

Life Sciences, Animal Sciences, Zoology +13