Nitrogen and phosphorus budgets for a tropical watershed impacted by agricultural land use : Guayas , Ecuador

  title={Nitrogen and phosphorus budgets for a tropical watershed impacted by agricultural land use : Guayas , Ecuador},
  author={Mercy J. Borbor-C{\'o}rdova and Elizabeth W. Boyer and W. H. McDowell and Charles A. Hall},
Large-scale changes in land use are occurring in many tropical regions, with significant impacts on nitrogen and phosphorus biogeochemistry. In this study we examine the relationships between land use, anthropogenic nutrient inputs, and riverine nutrient exports in a major agricultural watershed of the Pacific coast of South America, the Guayas River basin of Ecuador. We present comprehensive nutrient budgets for nitrogen (N) and phosphorous (P) for the Guayas River basin and 10 sub-watersheds… CONTINUE READING
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