Variacao da concentracao de oxigenio dissolvido em tanques da Estacao de Hidrobiologia e Piscicultura de Vicosa [carpa, Cyprinus carpio, biologia aquatica, Brasil]
[Variation of the concentration of dissolved oxygen in ponds of the Hydrobiology and Fisheries Management Station, Vicosa [carp, Cyprinus carpio, aquatic biology, Brazil]]