NDLI: Phytoplankton of the south-western part of the Kara Sea

Content Provider	Springer Nature Link
Author	Sukhava, I. N. Flint, M. V. Sergeeva, V. M. Kremenetskiy, V. V.
Copyright Year	2011
Abstract	The research was performed along a transect from the Yamal Peninsula coast towards the outer shelf of the southwestern part of the Kara Sea in September 2007. 130 phytoplankton species have been identified, among which 63 were found in the area for the first time. The total phytoplankton numbers varied within the range of 0.2 to 11.3 × 10$^{9}$ cells/m$^{2}$, while biomass within the range of 43 to 1057 mgC/m$^{2}$. A well pronounced cross-shelf zoning in the phytoplankton communities was ascertained. The inner shelf zone about 30 km wide with depths down to 30 meters was characterized by the predominance of diatoms (up to 80% of the total algae numbers and biomass). The second group by value was dinoflagellates. Seaward in the area of the 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. The total cell numbers in the zone reached a maximum for the entire investigated area: up to 11.3 × 10$^{9}$ cells/m$^{2}$. The leading group in the phytoplankton was autotrophic flagellates, whose share in the total numbers 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$^{9}$), 80% of which was concentrated above the halocline. Diatoms dominated in the phytoplankton numbers (up to 92%) and biomass (up to 90%), which was related to the mass development of two species: Chaetoceros diadema and Leptocylindrus danicus.
Starting Page	978
Ending Page	992
Page Count	15
File Format	PDF
ISSN	00014370
Journal	Oceanology
Volume Number	51
Issue Number	6
e-ISSN	15318508
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-12-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oceanography
Content Type	Text
Resource Type	Article
Subject	Oceanography

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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