échantillonnage (1) bassin de retenue (1) plancton (1) phosphore (1) nutriment (1) azote (1) analyse (1) eutrophisation (1) effet (1) distribution (1) couverture (1) ville (1) densité (1) Brésil (1) Density (1) Thematic maps (1) Species diversity (1) Zooplankton (1) Sampling (1) Rotifera (1) Plankton (1) Phosphorus (1) Nitrogen (1) Eutrophication (1) Density (1) Copepoda (1) Communities (1) Analysis (1) Influence (1) Structure (1)