Open AccessNew data of vegetation development of North Baikal area in the Middle-Late Holocene
Author(s) -
K. E. Vershinin,
E. Yu. Osipov
Publication year - 2019
Publication title -
doklady akademii nauk. rossijskaâ akademiâ nauk
Language(s) - English
Resource type - Journals
ISSN - 0869-5652
DOI - 10.31857/s0869-5652488186-90
Subject(s) - holocene , peat , radiocarbon dating , vegetation (pathology) , physical geography , geology , vegetation cover , pollen , archaeology , paleontology , geography , ecology , land use , medicine , pathology , biology
For the first time, a continuous section of peat was obtained from the hard-to-reach mid-mountain North-Western part of the lake Baikal. The material was studied by methods of spore-pollen analysis, analysis of plant cell residues and radiocarbon Dating (data calibrated). The least identified in the Holocene speed of peat accumulation in the Baikal area. According to the calculated sedimentation rates, the temporal resolution of the study ranges from 100 years at the bottom of the incision to 800 years at the top. With a factor analysis identified six local pallinson and five Botanic zones. Changes in the vegetation cover and ecotope moisture conditions for 7670 years were reconstructed. For the first time in a quarter of a century, the height of the upper forest boundary has been clarified.