Open Access Articles

Advances in the application of stable isotopes have allowed the quantitative evaluation of previously cryptic ecological processes. In particular, researchers have utilized the predictable spatial pat...
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Pauli, J. N., W. P. Smith, and M. Ben-David. 2012. Quantifying dispersal rates and distances in North American martens: a test of enriched isotope labeling. Journal of Mammalogy 93(2):390-398.
Ecologists are increasingly using stable isotope analysis to inform questions about variation in resource and habitat use from the individual to community level. In this study we investigate data sets...
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Newsome, S. D., J. D. Yeakel, P. V. Wheatley, and M. T. Tinker. 2012. Tools for quantifying isotopic niche space and dietary variation at the individual and population level. Journal of Mammalgoy 93(2):329-341.
In this introductory paper we describe the 10 papers that compose this Special Feature Theoretical and analytical advances in mammalian isotope ecology. This Special Feature contains 6 review-style pa...
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Ben-David, M., and E. A. Flaherty. 2012. Theoretical and analytical advances in mammalian isotope ecology: an introduction. Journal of Mammalogy 93(2):309-311.
In semiarid ecosystems ungulate densities can compound the effects of drought on forage availability, which can feed back to regulate reproduction and offspring recruitment. Climatic changes in the fr...
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Koons, D. N., P. Terletzky, P. B. Adler, M. L. Wolfe, D. Ranglack, F. P. Howe, K. Hersey, W. Paskett, and J. T. Du Toit. 2012. Climate and density-dependent drivers of recruitment in plains bison. Journal of Mammalogy 93(2):475-481.
We open this Special Feature on stable isotopes in mammalian research with a beginner’s guide, an introduction to the novice and a refresher to the well-versed. In this guide we provide the back...
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Ben-David, M., and E. A. Flaherty. 2012. Stable isotopes in mammalian research: a beginner’s guide. Journal of Mammalogy 93(2):312-328.
Stable isotope analysis of fossil materials has become an increasingly important method for gathering dietary and environmental information from extinct species in terrestrial and aquatic ecosystems. ...
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Clementz, M. T.. 2012. New insight from old bones: stable isotope analysis of fossil mammals. Journal of Mammalogy 93(2):368-380.
Habitat use and feeding behaviors of cryptic animals are often poorly understood. Analyses of stable isotope ratios in animal body tissues can help reveal an individual’s location and resource u...
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Cryan, P. M., C. A. Stricker, and M. B. Wunder. 2012. Evidence of cryptic individual specialization in an opportunistic insectivorous bat. Journal of Mammalogy 93(2):381-389.
Red foxes (Vulpes vulpes) are native to boreal and western montane portions of North America but their origins are unknown in many lowland areas of the United States. Red foxes were historically absen...
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Statham, M. J., B. N. Sacks, K. B. Aubry, J. D. Perrine, and S. M. Wisely. 2012. The origin of recently established red fox populations in the United States: translocations or natural range expansions?. Journal of Mammalogy 93(1):52-65.
Pleistocene climate fluctuations rearranged ecosystems, and influenced the contemporary distribution of modern species. Although specialist species were often restricted to isolated refugia by Pleisto...
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Barton, H. D., and S. M. Wisely. 2012. Phylogeography of striped skunks (Mephitis mephitis) in North America: Pleistocene dispersal and contemporary population structure. Journal of Mammalogy 93(1):38-51.
A common use of stable isotope analysis in mammalogy is to make inferences about diet from isotope values (typically C13 and N15) measured in tissues and food sources of a consumer. Mathematical mixin...
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Philips, D. L.. 2012. Converting isotope values to diet composition: the use of mixing models. Journal of Mammalogy 93(2):342-352.