This work summarizes the existing knowledge about biomass in the Brazilian area of the Amazon jungle and presents a calculation for the average total biomass in virgin forests. The results are presented. The results are higher than those presently accepted. The reasons for the discrepancy in the calculated and presently used value are presented and discussed 64 refs., 8 tabs.
Fearnside, Philip M 
- Instituto Nacional de Pesquisas da Amazonia (INPA), Manaus, AM (Brazil)