ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Figure 1 shows the areas from which the samples are derived. The deciduous oaks ( Quercus petraea and Quercus robur) used for both the German and Irish tree-ring studies show several marked differences from the bristlecone pines. They all grew at low altitude (〈200 m in Ireland and 400 m in ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/312150a0