Spatial Variability of Phytoplankton Primary Production Characteristics in the North Atlantic in Summer 2013
- Авторы: Demidov A.B.1, Mosharov S.A.1,2, Gagarin V.I.1, Gladyshev S.V.1, Dukhova L.A.3, Romanova N.D.1, Mosharova I.V.4
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Учреждения:
- Shirshov Institute of Oceanology, Russian Academy of Sciences
- Bauman Moscow State Technical University
- Russian Federal Research Institute of Fisheries and Oceanography
- Lomonosov Moscow State University
- Выпуск: Том 59, № 2 (2019)
- Страницы: 223-234
- Раздел: Marine Biology
- URL: https://bakhtiniada.ru/0001-4370/article/view/149839
- DOI: https://doi.org/10.1134/S000143701902005X
- ID: 149839
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Аннотация
The spatial variability of phytoplankton primary production characteristics has been studied along transects between the Shetland Islands and Iceland (transect I) and along 59.5° N (transect II) from June 30 to July 16, 2013. It has been shown that the surface chlorophyll a concentration (Chl0) varied within more than two orders of magnitude from 0.07 to 6.67 mg/m3 along transect I and from 0.02 to 3.63 mg/m3 along transect II. The water column primary production (PPint) changed by a factor of 3.8 from 273 to 1040 and by a factor of 5.6 from 68 to 379 mgC/m2 per day along transects I and II, respectively. It has been established that the spatial variability of Chl0 and PPint was consistent with the distribution of the main surface flows and thermohaline fronts. This conclusion was made based on a reliable positive correlation between Chl0 and the zonal potential temperature gradient (R = 0.43, p < 0.01, N = 65). Phytoplankton assimilation activity along transect II depends on the nutrient concentration. This is confirmed by the reliable positive correlation of the assimilation number with the phosphate concentrations (R = 0.58, p < 0.05, N = 76) and dissolved silicon (R = 0.51, p < 0.05, N = 76).
Об авторах
A. Demidov
Shirshov Institute of Oceanology, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: demspa@rambler.ru
Россия, Moscow, 117218
S. Mosharov
Shirshov Institute of Oceanology, Russian Academy of Sciences; Bauman Moscow State Technical University
Email: demspa@rambler.ru
Россия, Moscow, 117218; Moscow, 105005
V. Gagarin
Shirshov Institute of Oceanology, Russian Academy of Sciences
Email: demspa@rambler.ru
Россия, Moscow, 117218
S. Gladyshev
Shirshov Institute of Oceanology, Russian Academy of Sciences
Email: demspa@rambler.ru
Россия, Moscow, 117218
L. Dukhova
Russian Federal Research Institute of Fisheries and Oceanography
Email: demspa@rambler.ru
Россия, Moscow, 107140
N. Romanova
Shirshov Institute of Oceanology, Russian Academy of Sciences
Email: demspa@rambler.ru
Россия, Moscow, 117218
I. Mosharova
Lomonosov Moscow State University
Email: demspa@rambler.ru
Россия, Moscow, 119234
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