At present, due to the rapid development of the world, anthropogenic factors, and the impact of natural disasters, many tric organisms are disappearing or their mutual relations are being disturbed. As a result of floods, windstorms, and rains in Jokhan, a lot of animal world has been destroyed and the natural balance of their biocenosis has been destroyed, some species have disappeared, and pests have multiplied. In this article, on May 1, 2020, a natural disaster occurred due to the flooding of the Sardoba reservoir due to heavy rainfall in the Syrdarya region. As a result, water overflowed from the "Sardoba Reservoir" dam in the Sardoba district of the Syrdarya region, and a number of settlements, social sector objects, agricultural crops, including grain, cotton fields and other crops in the Sardoba, Aqoltin and Mirzaabad districts were severely damaged, resulting in a change in biodiversity. dedicated.