ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] A general approach to the measurement of food-web processes has been suggested by studies of stable nitrogen isotope ratios (15N/14N) of organisms and their food sources2'3. In laboratory experiments, the enrichment in 〈515N (£15N = ([15N/14NSamp.e/15N/14Nstandard] - 1) x 1,000), ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/372255a0
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