Here's an interesting paper from 1956 but the topic is very current -
Ryther, John H., The Sargasso Sea, Scientific American, 194(1): 98-104, 1956.
Here's an interesting paper from 1956 but the topic is very current -
Ryther, John H., The Sargasso Sea, Scientific American, 194(1): 98-104, 1956.