Russian Federation
employee
Russian Federation
Russian Federation
Irkutsk region, Russian Federation
VAK Russia 1.6
UDC 556
UDC 55
UDC 550.34
UDC 550.383
CSCSTI 37.27
CSCSTI 37.01
CSCSTI 37.15
CSCSTI 37.25
CSCSTI 37.31
CSCSTI 38.01
CSCSTI 36.00
CSCSTI 37.00
CSCSTI 38.00
CSCSTI 39.00
CSCSTI 52.00
Russian Classification of Professions by Education 05.04.06
Russian Classification of Professions by Education 05.06.01
Russian Library and Bibliographic Classification 201
Russian Library and Bibliographic Classification 26
Russian Trade and Bibliographic Classification 6369
Russian Trade and Bibliographic Classification 63
BISAC NAT038000 Natural Resources
BISAC SCI SCIENCE
Based on the results of long-term field measurements (2018-2023), the variability of concentrations of chlorophyll 𝑎 and biogenic elements in the pelagial of Lake Baikal was studied. Over the study period, the average concentration of chlorophyll 𝑎 in the upper 100-meter layer of lake water is 1,32 µg/L. Two types of vertical chlorophyll a distribution are considered depending on the type of temperature stratification and the depth of the thermocline. The interannual and intraannual changes in the concentration of chlorophyll 𝑎 in the upper layer of water and their relationship to the dynamics of biogenic elements are evaluated. The Carlson trophic index (TSI) has been calculated, and the obtained values indicate that the pelagic zone of Lake Baikal belongs to the oligotrophic type of water bodies.
Chlorophyll 𝑎, Lake Baikal, biogenic elements, pelagic, vertical dynamics
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