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Effect of phytoplankton adaptation on the distribution of its biomass and chlorophyll a concentration in the surface layer of the Black Sea

Liudmila Stelmakh

Liudmila Stelmakh

Kovalevsky Institute of Marine Biological Research of the Russian Academy of SciencesMoscow, Russia
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Stelmakh, Liudmila
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Tatiana Gorbunova

Tatiana Gorbunova

Institute of natural and technical systems, Russian Academy of SciencesSochi, Russia
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Gorbunova, Tatiana
  
10 déc. 2019
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Catégorie d'article: Research Article
Publié en ligne: 10 déc. 2019
Pages: 404 - 414
Reçu: 22 mars 2019
Accepté: 15 mai 2019
DOI: https://doi.org/10.2478/ohs-2019-0035
Mots clés
© 2019 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Location of the sampling sites in the Black Sea: a – September–October 2005; b – October 2010; c – August 2011; d – May 2013; e – depth map
Location of the sampling sites in the Black Sea: a – September–October 2005; b – October 2010; c – August 2011; d – May 2013; e – depth map

Figure 2

Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in September–October 2005
Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in September–October 2005

Figure 3

Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in October 2010
Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in October 2010

Figure 4

Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in August 2011
Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in August 2011

Figure 5

Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in May 2013
Average intensity of solar radiation in the upper mixed layer, nitrate and ammonium concentration, C:Chl a ratio, phytoplankton biomass and chlorophyll a concentration in the surface layer of the Black Sea in May 2013

C:Chl a ratio, contribution of dinoflagellates (BDinofl_) and diatoms (BBacillar_) to the total phytoplankton biomass, the average volume of their cells (Vaver_), and some abiotic parameters of the surface layer of the Black Sea

C:Chl a BDinofl . [BBacillar.] Vaver N-NO3 [N-NH] 4 IUML
(mg mg−1) (%) (μm3) (μM) (E m−2 day−1)
September–October 2005 (n = 20)
52 ± 9 38 ± 4 [60 ± 6] 6200 ± 1060 1.15 ± 0.30 [0.15 ± 0.02] 5.0 ± 1.0
200 ± 23 17 ± 2 [72 ± 6] 34 300 ± 4800 0.12 ± 0.02 [0.11 ± 0.03] 11.8 ± 1.4
October 2010 (n = 26)
60 ± 9 19 ± 6 [57 ± 8] 1950 ± 500 1.16 ± 0.26 [1.19 ± 0.20] 5.0 ± 0.5
171 ± 23 50 ± 11 [14 ± 10] 2170 ± 620 0.32 ± 0.05 [0.57 ± 0.12] 11.0 ± 0.4
August 2011 (n = 24)
107 ± 8 30 ± 6 [61 ± 4] 1500 ± 100 0.11 ± 0.01 [1.07 ± 0.15] 16.0 ± 0.7
214 ± 22 55 ± 8 [45 ± 5] 4600 ± 600 0.11 ± 0.03 [0.57 ± 0.01] 27.0 ± 0.5
May 2013 (n = 18)
104 ± 9 34 ± 4 [16 ± 6] 140 ± 16 0.18 ± 0.02 [1.20 ± 0.10] 24.0 ± 1.2
Langue:
Anglais
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