Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
282 (1979), S. 757-757
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] RECENTLY Farmer1 reported on the decline of 〈513C in the tree rings of the American elm from 1883 to 1933 and generally supports the net biospheric CO2 release theory due to the so-called pioneer agricultural expansion of the late nineteenth century. Other data from various parts of the Northern ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/282757a0
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