The theme of the doctoral thesis (PhD) was registered by the Supreme Attestation Commission under the Cabinet of Ministers of the Republic of Uzbekistan under number B2020.2.PhD/B194.

The doctoral thesis has been carried out at Nukus State Pedagogical Institute.

The abstract of the dissertation in three languages (Uzbek, Russian, English (resume)) has been placed on the webpage of the Scientific Council at ( on the web site of Information-educational portal «Ziyonet»

Scientific supervisor: Shakarboev Erkinjon Berdikulovich

Doctor of Biological Sciences, professor

Official opponents: Eshova Xolisa Saidovna

Doctor of Biological Sciences, docent

  Ruziev Baxtiyor Xushmurodovich

Condidant of Biological Sciences, docent

Leading organization: Tashkent State Pedagogical University

Defense of dissertation will take place on «12» july 2021 at 1400 at the meeting of the Scientific Council DSc.02/30.12.2019.В.52.01     on award of scientific degrees at the Institute of Zoology. Address: 100053, Tashkent, Bogishamol Street, 232б. Meeting hall of the Institute of Zoology. Теl.: (+99871) 289-04-65, fax: (+99871) 289-10-60, Е-mail: