DIETS OF SOUTHERN AFRICAN BOVIDAE: STABLE ISOTOPE EVIDENCE

Although bovids have been studied for decades, debate still exists about their diets. To address this problem, we examined bovid dietary ecology through analysis of stable carbon isotopes. We analyzed tooth enamel, bone collagen, and hair from 312 individual bovids, representing 27 species from sout...

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Veröffentlicht in:Journal of mammalogy 2003-05, Vol.84 (2), p.471-479
Hauptverfasser: Sponheimer, Matt, Lee-Thorp, Julia A, DeRuiter, Darryl J, Smith, Jeannette M, van der Merwe, Nikolaas J, Reed, Kaye, Grant, C C, Ayliffe, Linda K, Robinson, Todd F, Heidelberger, Cory, Marcus, Warren
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container_end_page 479
container_issue 2
container_start_page 471
container_title Journal of mammalogy
container_volume 84
creator Sponheimer, Matt
Lee-Thorp, Julia A
DeRuiter, Darryl J
Smith, Jeannette M
van der Merwe, Nikolaas J
Reed, Kaye
Grant, C C
Ayliffe, Linda K
Robinson, Todd F
Heidelberger, Cory
Marcus, Warren
description Although bovids have been studied for decades, debate still exists about their diets. To address this problem, we examined bovid dietary ecology through analysis of stable carbon isotopes. We analyzed tooth enamel, bone collagen, and hair from 312 individual bovids, representing 27 species from southern Africa. Although dietary information from the literature is usually supported by this technique, our results and the literature are sometimes highly divergent. For instance, our results indicate that Taurotragus oryx and Raphicerus campestris eat less grass than is widely believed. Furthermore, contrary to most theoretical expectations, our data indicate no relationship between body size and percentage of monocots consumed by southern African Bovidae. Although many researchers have abandoned the idea that bovid soft-tissue anatomy is strongly indicative of diet, we demonstrate a strong relationship between the percentage of grass in a bovid's diet and several hard-tissue craniodental indices.
doi_str_mv 10.1644/1545-1542(2003)084<0471:DOSABS>2.0.CO;2
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source BioOne Complete; JSTOR Archive Collection A-Z Listing; Oxford University Press Journals All Titles (1996-Current)
subjects Bovidae
Raphicerus campestris
Taurotragus oryx
title DIETS OF SOUTHERN AFRICAN BOVIDAE: STABLE ISOTOPE EVIDENCE
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