NDLI: Production and hydrochemical characteristics of ice, under-ice water and sediments in the Razdolnaya River estuary (Amursky Bay, Sea of Japan) during the ice cover period

Content Provider	Springer Nature Link
Author	Zvalinsky, V. I. Maryash, A. A. Stonik, I. V. Shvetsova, M. G. Sagalaev, S. G. Begun, A. A. Tishchenko, P. Ya.
Copyright Year	2010
Abstract	Production and hydrochemical characteristics of ice, under-ice water, and sediments in the Razdol’naya River estuary (Sea of Japan) were studied during the ice cover periods of the years 2007 and 2008. In 2007, snow cover was absent until mid-February and PAR levels under ice were sufficient for the development of phytoplankton. The chlorophyll a content in ice, under-ice water, and surface sediments was high, while nutrient levels were decreased. After a snowfall, the chlorophyll content in ice and under-ice water decreased sharply. In winter 2008, snow cover was formed immediately after freeze-up; therefore, PAR levels in the ice and under-ice water were significantly reduced. The chlorophyll content was lower, but nutrient levels were higher than in 2007. In both winter seasons, the greatest portion of chlorophyll (up to 85%) was contained in surface sediments. Diatoms were dominant in ice and under-ice water. In the absence of snow, primary production at the end of ice cover period may reach 1 g cal/(m$^{2}$ day). With snow cover present, this index was markedly reduced.
Starting Page	270
Ending Page	281
Page Count	12
File Format	PDF
ISSN	10630740
Journal	Russian Journal of Marine Biology
Volume Number	36
Issue Number	4
e-ISSN	16083377
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2010-08-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ice cover bottom sediments nutrients chlorophyll phytoplankton production estuary Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Oceanography

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