Sukhanova, Irina N; Flint, Mikhail V; Sergeeva, V M; Kremenetskiy, V V (2011): Phytoplankton of the southwest Kara Sea on August 9-12, 2007 [dataset publication series]. P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, PANGAEA, https://doi.org/10.1594/PANGAEA.787186, Supplement to: Sukhanova, IN et al. (2011): Phytoplankton of the south-western part of the Kara Sea. Translated from Okeanologiya, 2011, 51(6), 1039-1053, Oceanology, 51(6), 978-992, https://doi.org/10.1134/S000143701106018X
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Abstract:
A research was carried out along a transect from the Yamal Peninsula coast towards the outer shelf of the southwestern the Kara Sea in September 2007. 130 phytoplankton species were identified, among which 63 were found in the area for the first time. Total phytoplankton abundance varied from of 0.2 x10**9 to 11.3x10**9 cells/m**2, while biomass from 43 to 1057 mgC/m**2. A well pronounced cross-shelf zoning in phytoplankton communities was ascertained. The inner shelf zone about 30 km wide with depths down to 30 meters was characterized by predominance of diatoms (up to 80% of total algal abundance and biomass). The second group by value was dinoflagellates. Seaward in the area of depth increase from 30 to 140 m, the zone of the Yamal Current was located, which was 40 km wide and notable for its active water dynamics. Total abundance in the zone was maximal for the entire investigated area: up to 11.3x10**9 cells/m**2. Autotrophic flagellates were the leading group in phytoplankton, their share in total abundance reached 56-82%. Further than 70 km from the shore, the outer shelf zone was found with the water column rigidly stratified. The highest for the whole area phytoplankton biomass was identified here (up to 1.06 gC/m**2), 80% of which concentrated above the halocline. Diatoms dominated in phytoplankton abundance (up to 92%) and biomass (up to 90%) that resulted from mass development of two species: Chaetoceros diadema and Leptocylindrus danicus.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 71.544900 * Median Longitude: 63.936020 * South-bound Latitude: 71.130000 * West-bound Longitude: 61.000000 * North-bound Latitude: 72.000000 * East-bound Longitude: 66.617000
Date/Time Start: 2007-09-09T17:00:00 * Date/Time End: 2007-09-12T00:30:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Sukhanova, IN; Flint, MV; Sergeeva, VM et al. (2011): (Table 3) Total abundance of phytoplankton, abundance of certain algal groups in the upper mixed water layer and in the water column, and contribution of the algal groups to total abundance of phytoplankton in the southwest Kara Sea on August 9-12, 2007. https://doi.org/10.1594/PANGAEA.787184
- Sukhanova, IN; Flint, MV; Sergeeva, VM et al. (2011): (Table 4) Total phytoplankton biomass, biomass of certain algal groups in the upper mixed layer and the water column, and contribution of the algal groups to total biomass of phytoplankton in the southwest Kara Sea on August 9-12, 2007. https://doi.org/10.1594/PANGAEA.787185