00584naa#a2200169#i#450# EN\\bibl\41271 20240428061446.7 2073-5529 20201216b2020####ek#y0engy0150####ca RU SEASONAL BIODIVERSITY AND PRODUCTIVITY OF PLANCKTOFAUNA IN SMALL WATER BODIES OF NORTHERN KAZAKHSTAN Journal article Astrakhan Astrakhan State Technical University 2020 11 с. Journal article local Биологические науки. 57 Sharapova Lyudmila Ivanovna vestnik.astu.org