Where Am I?

CLUES

1. Humans have fished and hunted in the area for 2,000 years, creating shellfish mounds, some of which are several hundred meters long. 
2. Some of the mounds contain burial sites. 
3. This area was formed within the delta of three rivers.
4. It includes 200 islands and islets, mangrove forests, and a mix of salt water and fresh water. 

ANSWER  Saloum Delta, Senegal