As a specialist in Amazonian archaeology, Dr Denise Schaan is best known for her innovative research on Marajó Island at the mouth of the Amazon River, and more recently for her leading role in the Western Amazonia geoglyph research. Both studies have attracted worldwide attention.
Articles by Denise Schaan:

By the 5th century, an economy based on intensive gathering of aquatic resources emerges on Marajó Island. This economy empowered kinship groups, who controlled, in their communities, access to basic resources.