2020 №4

Earth sciences
General and regional geology, petrology and volcanology

P. 5-29. Kutygin R.V., Budnikov I.V., Sivtchikov V.E. The main features of the Kasimovian–Gzhelian and Permian stratigraphy in the Siberian platform and adja cent fold belts

P. 30-41. Vasiliev D.А., Ermakov N.N., Prokopiev A.V. Tectonic structures of the southeastern flank of the In’yali-Debin synclinorium (the Verkhoyansk-Kolyma orogenic region)

P. 42-58. Okrugin A.V., Zhuravlev A.I. Convergent mineralogical features of silicate igneous and carbonatite rocks of the Tomtor massif in the northeast of the Siberian platform

P. 59-71. Zueva I.N., Chalaya O.N., Glyaznetsova Yu.S., Lifshits S.Kh. Geochemistry of naphthides of the Middle Carboniferous sediments of the Prikolym Uplift (North-East of Russia)

P. 72-80. Kolesov S.D. Location of the remains of the mammoth fauna in «Enge-Yuryue» of the Srednekolymsky region of the Republic of Sakha (Yakutia)

General biology
Ecology

P. 81-91. Gabyshev V.A., Gabysheva O.I. On the study of the effects of heavy metals on the growth of lake phytoplankton in Yakutsk and its vicinity

P. 92-99. Korobkova T.S., Sabaraikina S.M. Antioxidant activity of the berries of Lonicera L. under the conditions of Central Yakutia

P. 100-110. Kolosova O.N., Khlebny E.S., Baisheva N.V. Fatty acid profile in the blood plasma of pregnant women as a biomarker of the risk of miscarriage in the North

Biological resources

P. 111-120. Okoneshnikova M.V., Ivanova A.Z., Desyatkin A.R., Filippov N.V., Desyatkin R.V. Soils of tukulans in the Kenkeme river basin (Central Yakutia)

P. 121-133. Stepanova V. V., Okhlopkov I. M. The current state of the wolf (Canis lupus Linnaeus, 1758) population size and density in Yakutia