ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] SIR-Heaton et at.1 report that the 15N/14N ratios of bone collagen from prehistoric humans with little or no access to marine protein show a negative correlation with present rainfall levels in the areas of South Africa they inhabited. Such a correlation cannot, however,be accepted uncritically, ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/325201a0
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