For citations:

Zagrebelniy S.V. Assessment of the impact of polar bears on the grouping of pacific walruses at the Cape Vankarem rookery during the summer-autumn period in 2017–2021. The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean. 2022;1(65):80-89. (In Russ.) https://doi.org/10.15853/2072-8212.2022.65.80-89