ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] After the Second World War observations were resumed, and since 1965 there has been a return to the conditions which were familiar in the 1920s5,6. Evidence from a number of sources confirms these changes, including observations on nutrient salts, primary productivity, phytoplankton succession and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/234468a0
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