Diffuse contribution of organic matter in the Mata dos Cocais Forest, Brazil

The Mata dos Cocais Forest, an ecotone between the Amazon, Caatinga, and Cerrado biomes, still lacks data on the diffuse contribution of organic matter to rivers. A 12-month study conducted along a 3.53 km stretch of the Saco River (1,540 km 2 basin), predominantly covered by dense forest, used the Streeter-Phelps model to estimate diffuse organic matter concentrations of 0.201 mg BOD L -1 km -2…