Lake Kivu: Limnology and biogeochemistry of a tropical great lake - Google Books

http://books.google.de/books?id=zP83QZ5KW7wC&pg=PA5&lpg=PA5&dq=Egon+T.+Degens+WHOI&source=bl&ots=4Dr52d_BP4&sig=2efoFzwbM3Q4MRlM

In the heart of Africa, a unique lake attracts the attention of scientists since the beginning of the 20th century. At the foot of the Virunga volcano chain, Lake Kivu harbors a vast amount of dissolved carbon dioxide and methane, making this lake the most…