The present ecological situation in the Volga-Caspian basin and its effect on sturgeon.
Luk'yanenko
V I
VI
Institute of the Biology of Inland Waters, Academy of Sciences of the USSR.
D000818:Animals; D004463:Ecology; D005399:Fishes; D005618:Fresh Water; D012623:Seawater; D014586:USSR; D014877:Water Pollution, Chemical / Q000009:adverse effects