Using δ15N of periphyton and fish to evaluate spatial and seasonal variation of anthropogenic nitrogen inputs in a polluted Brazilian river basin
Débora Reis de Carvalho, Carlos Bernardo Mascarenhas Alves, Alexander S. Flecker, Jed P. Sparks, Marcelo Zacharias Moreira, Paulo dos Santos Pompeu
Topics & Concepts
PeriphytonEnvironmental scienceDry seasonδ15NAquatic ecosystemEcologyWet seasonDrainage basinHydrology (agriculture)BiologyStable isotope ratioNutrientGeographyδ13CGeologyPhysicsCartographyQuantum mechanicsGeotechnical engineeringIsotope Analysis in EcologyFish Ecology and Management StudiesMarine and coastal ecosystems