Nitrogen dynamics in the watershed of the Camanducaia and Jaguari rivers, SP and MG states, Brazil - Costa, C. F. G; Figueiredo, Ricardo; Camargo, Plinio Barbosa de; Piccolo, Marisa de Cassia; Reis, Lucas Camargo; Mazzi, Edmar A; Zuccari, Maria Lucia (Congresso Brasileiro de Limnologia, 2017)