température (1) baie (1) échantillonnage (1) fleuve (1) pesticide (1) nitrate (1) analyse (1) céréale (1) débit (1) estuaire (1) captage (1) index (1) Afrique (1) Development (1) Chlorpyrifos (1) Meiofauna (1) Cypretta (1) Upogebia (1) Temperature (1) Summer (1) South Africa (1) Solids (1) Sampling (1) Salinity (1) Pesticides--Environmental aspects (1) Nereis (1) Nematodes (1) Months (1) Insecticides (1) Grain (1)