Ключевое слово: «habitat»

the article considers the representatives of the Duck family, the features of their appearance, habitat and habitat that are endangered in Yakutia. Given the changes in the world, in the climate, it is necessary to understand that the disappearance of some species can lead to the destruction of the biogeocenosis, which in turn can lead to irreversible consequences. Therefore, it is necessary to maintain a balance in the world and contribute to the conservation of endangered species. But this cannot be achieved if you do not know which species are listed in the Red Book and are at risk of extinction. In this regard, we have listed some of the species of the Duck family and their features. Based on the analysis of the literature, we came to the conclusion that despite various types of conservation work, many Duck representatives have been endangered for a long time, so this problem needs to be made public more often.

This article is devoted to the study of the species diversity of cyprinid fish species in the Belyanka River. The article examines the features of the habitat and distribution of cyprinid species, their behavior, as well as the influence of environmental factors on the fish population. Special attention is paid to the analysis of ecological relationships between species and their impact on the biodiversity of the river ecosystem. The results of the study can be useful for understanding and preserving the natural wealth of the Belyanka River and related ecosystems.