Revisiting old bones: coupled carbon isotope analysis of bioapatite and collagen as an ecological and palaeoecological tool

被引:123
作者
Clementz, M. T. [2 ]
Fox-Dobbs, K. [1 ,3 ,4 ]
Wheatley, P. V. [4 ]
Koch, P. L. [4 ]
Doak, D. F. [3 ]
机构
[1] Univ Puget Sound, Dept Geol, Tacoma, WA 98416 USA
[2] Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA
[3] Univ Wyoming, Dept Zool & Physiol, Laramie, WY 82071 USA
[4] Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA 95064 USA
关键词
stable isotope; palaeoecology; bioapatite; megafauna; marine mammal; trophic level; carnivore; STABLE-ISOTOPE; NITROGEN ISOTOPE; DIAGENETIC ALTERATION; FORAGING ECOLOGY; FOSSIL MAMMALS; TROPHIC LEVEL; DIET; RATIOS; PLEISTOCENE; BIOGEOCHEMISTRY;
D O I
10.1002/gj.1173
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Isotopic studies of palaeoecological and ecological questions often use bone collagen or bioapatite as Substrates, but rarely both. Substantial new information can be gained from the incorporation of isotopic values from both the organic and inorganic fractions of bone. Here we show that combining isotopic data from both substrates provides valuable and unique insights into (1) trophic relationships and dietary interactions (2) differences in digestive physiologies and (3) identification of palaeontological or archaeological remains that lack diagnostic morphological characters. We present a range of new isotopic data collected from modern and fossil mammals, and investigate patterns within several published datasets. We define carbon isotope spacing variables, and then explore four diverse palaeoecological and ecological case studies. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码:605 / 620
页数:16
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