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DOI: 10.5593/SGEM2016/HB33/S02.035

SURFACE DISTRIBUTION OF GENERAL IONS IN SUBARCTIC FRESH WATER SYSTEMS (VASHUTKINY LAKES, RUSSIA)

A.R Shevchenko, A.S Aksenov, O.V Aksenova, Y.V Bespalaya, E.V. Gusakova
Friday 11 November 2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, SGEM Vienna GREEN Extended Scientific Sessions, www.sgemviennagreen.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-81-0 / ISSN 1314-2704, 2 - 5 November, 2016, Book 3 Vol. 3, 275-280pp, DOI: 10.5593/SGEM2016/HB33/S02.035

ABSTRACT

Vashutkiny lakes is a relic fresh water system, located in Northern-East of European plain (Bolshezemelskaya Tundra, Russia). Despite of harsh Subarctic climate, the system is known for increased levels of valuable fishes - graylings and coregonid fishes (Zvereva, 1966). High yields of these fishes is determined by microbial and hydrochemical features of lakes. Vashutkiny consist of 9 lakes, which were analyzed for most common cation and anion contents during summer period in 2016. pH of the lakes was in range 7.2…8.8. Conductivity was increasing from shallow 46 μS to deep 90 μS lakes. Major ions are represented with Ca (5.0…9.3 mg/L) and HCO3 (29.4…50.6 mg/L). There were small amounts of K (0.4…1.7 mg/L), Na (1.7…7.3 mg/L), Mg (1.5…2.4 mg/L), Cl (2.1…4.0 mg/L), SO4 (1.9…3.8 mg/L). Ionic concentrations are higher in Vashutkiny lakes, comparing to other Subarctic water systems. This peculiarity is due to ground waters from karst landscapes, which additionally feed lakes.

Keywords: Vashutkiny lakes, hydrochemical analysis, cations, anions, conductivity, fishes.

PAPER DOI: 10.5593/SGEM2016/HB33/S02.035, SURFACE DISTRIBUTION OF GENERAL IONS IN SUBARCTIC FRESH WATER SYSTEMS (VASHUTKINY LAKES, RUSSIA)

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