History of the lake Antyukh-Lambina (Kandalaksha coast, White sea) based on multi-proxy studies of bottom sediments

The paper presents the results of multi-proxy investigation of bottom sediments of Antiukh-Lambina lake. The age of the studied sediments starts from the early Holocene. Lithological analysis indicated continuous sedimentation during the Holocene. Diatom analysis showed that at the initial stages of development the lake was represented by a brackish water body. Desalination of water leads to an increase in the biodiversity of microbionts. The accumulation of organic matter occurs gradually throughout the development of the lake. Quantitative recon-struction of mean July air temperatures and water depth was carried out on the basis of chironomid analysis. During the studied period, water depth and mean summer temperatures gradually increased.