Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-06-19T03:33:47Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 1 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]110-88_01 -57.37,-62.28,-57.37,-62.28 1987-02-05T00:00:00Z 1989-12-05T00:00:00Z 2011-04-07T04:00:00Z

In Usnea aurantiaco-atra, growing in the Antarctica, a monthly variation in the usnic acid content, in individual thalli, was studied by means of scanning densitometry (HPTLC). The higher accumulation ...