Ecological Systems and Devices Annotation << Back Getting oligoesters based on solid waste production of terephthalic acid Magzanova D.K. Within last twenty years natural reproduction of sturgeon fishes balances on the verge of a total disappearance, there is a fish fauna degradation, curling of industrial fishery, there is a decrease in artificial reproduction. Preservation of a specific variety sturgeon is impossible without artificial fish farming, rigid restriction of a craft and any organization of reservations of the adult manufacturers guaranteeing reproduction of a kind irrespective of extreme situations in natural reservoirs. In the European countries actively prosecute subjects on commodity cultivation and cultivation of hybrids of sturgeon fishes. E-mail: dmagzanova@mail.ru рр:3-5