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Dynamics of chlorophyll a concentration in the South Baikal pelagic during the direct temperature stratification period

  • Phytoplankton, Phytobenthos, and Phytoperiphyton
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Abstract

The dynamics of chlorophyll a (Chl a) concentration and water temperature (at depth layers of 0‒10, 10–25, 25–50, and 50–250 m) and transparency were studied at a pelagic sampling station in South Baikal during the direct temperature stratification period (July–October) in 2009–2011. The results indicate a sufficiently stable functioning of the autotrophic chain of the Lake Baikal pelagic. The observed concentration of Chl a in the 0–50 m depth layer in July–October of 2009–2011 had varied within the range of 0.29–1.84 mg/m3 (1.03 ± 0.06 mg/m3 on average), which is close to the average multiyear values, and correlated positively with the water temperature.

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Correspondence to S. V. Shimaraeva.

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Original Russian Text © S.V. Shimaraeva, E.V. Pislegina, L.S. Krashchuk, K.S. Shchapov, E.A. Silow, 2017, published in Biologiya Vnutrennykh Vod, 2017, No. 1, pp. 60–64.

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Shimaraeva, S.V., Pislegina, E.V., Krashchuk, L.S. et al. Dynamics of chlorophyll a concentration in the South Baikal pelagic during the direct temperature stratification period. Inland Water Biol 10, 59–63 (2017). https://doi.org/10.1134/S1995082917010163

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  • DOI: https://doi.org/10.1134/S1995082917010163

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