markers (IMAGE)
Caption
The comparative ratios of various marker substances in speleothems can be used to determine the type of vegetation that was present at a certain time above the cave.
Credit
ill./©: Research group of Thorsten Hoffmann
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND