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Fatty acid content and composition of sediments from Siberian eutrophic water bodies: Implications for biodiesel production / N. N. Sushchik, A. Y. Kuchkina, M. I. Gladyshev // Water Research. - 2013. - Vol. 47, Is. 9. - P3192-3200, DOI 10.1016/j.watres.2013.03.031 . - ISSN 0043-1354
Кл.слова (ненормированные):
Biodiesel -- Bottom sediments -- Fatty acids -- Fuel properties -- Inland water bodies -- Lipids -- Biological conditions -- Bottom sediments -- Environmental characteristic -- Freshwater reservoirs -- Fuel properties -- Inland waters -- Organic matter source -- Transformation process -- Biodiesel -- Eutrophication -- Fatty acids -- Feedstocks -- Fuels -- Lipids -- Reservoirs (water) -- Sedimentology -- Thermochemistry -- Sediments -- biodiesel -- fresh water -- iodine -- organic matter -- biofuel -- bottom water -- combustion -- eutrophic environment -- eutrophication -- fatty acid -- lacustrine deposit -- physicochemical property -- reservoir -- transformation -- article -- estuary -- eutrophication -- fatty acid analysis -- lake -- lipid composition -- priority journal -- sediment -- Khakassia -- Krasnoyarsk [Krasnoyarsk (ADS)] -- Krasnoyarsk [Russian Federation] -- Lake Shira -- Russian Federation
Аннотация: We studied lipids and fatty acids (FA) in bottom sediments from four Siberian water bodies, Bugach, Lesnoi and Krasnoyarsk freshwater reservoirs and brackish Shira lake, that differed in physico-chemical and biological conditions. We considered the potential of the bottom sediments as a feedstock for biodiesel production and estimated properties of the obtained biodiesel as a fuel on the basis of FA composition. Contents of lipids and FA in the sediments moderately varied and were generally close to the reported data from lacustrine and estuarine systems. We confirmed that long-term eutrophication of a water body resulted in the lipid-rich bottom sediments that make them a feedstock for biodiesel production. Each of the studied water bodies had specific FA composition of sediments likely due to different organic matter sources and transformation processes. Despite these differences in FA profiles, calculated key parameters (cetane number, iodine number and heat of combustion) of biodiesel produced from all the studied sediments met the limits established by current biodiesel standards. Thus, the variation in the sediment FA composition due to environmental characteristics of a water body likely has no principal significance for fuel properties of the obtained biodiesel. В© 2013 Elsevier Ltd.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok 50/50, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Kuchkina, A.Y.; Gladyshev, M.I.

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LUMINESCENT PLANKTON BACTERIA FROM THE CORAL REEFS AND LITTORAL WATERS OF THE TROPICAL REGIONS OF THE INDIAN-OCEAN AND THE SOUTH CHINA SEA [Text] / G. A. PRIMAKOVA, A. M. KUZNETSOV // Microbiology. - 1990. - Vol. 59, Is. 5. - P. 630-637. - Cited References: 19 . - ISSN 0026-2617

РУБ Microbiology
Рубрики:
LUMINOUS BACTERIA
   SPECIES COMPOSITION
   MEDITERRANEAN SEA
   ESTUARY
   GULF
   ELAT
Аннотация: Luminescent bacteria were regularly encountered on the coral reefs of both the Indian Ocean and the South China Sea. Their counts in these regions amounted to 10(2) to 10(4) colony-forming units (CFU)/liter, and their proportion of the total numbers of saprophytic bacteria was 0.1-6.0%. Up to 85% of the luminescent bacteria occurred in the sea water in the form of aggregates ranging in size from 3-8-mu-m, to below 200-mu-m. The predominant species amongst the luminescent bacteria of these regions was Vibrio harvevi, comprising [4], with only 8.8% represented by Photobacterium leiognathi.

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
PRIMAKOVA, G.A.; KUZNETSOV, A.M.

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THE FIRST RECORDS OF SENECELLA SIBERICA VYSHKVARTZEVA 1994 (COPEPODA, CALANOIDA) IN LARGE NORILSK LAKES, PYASINA RIVER BASIN, CENTRAL SIBERIA / O. P. Dubovskaya, L. A. Glushchenko // Zool. Zhurnal. - 2018. - Vol. 97, Is. 10. - С. 1264-1271, DOI 10.1134/S0044513418100057. - Cited References:26 . - ISSN 0044-5134

РУБ Zoology
Рубрики:
LIMNOCALANUS-MACRURUS
   FRESH-WATER
   MICHIGAN
   ESTUARY
Кл.слова (ненормированные):
Senecella siberica -- marine glacial relict -- zooplankton -- Norilsk lakes -- central Siberia
Аннотация: The large, deep, freshwater Norilsk lakes (Lake Lama, Lake Sobachye, Lake Glubokoe and Lake Keta) are located beyond the Arctic Circle, at the northwestern edge of the Putorana Plateau. They underwent a Pleistocene boreal marine transgression. A relict of that transgression, Limnocalanus macrurus Sars 1863 (Copepoda, Calanoida), presently dominates the crustacean zooplankton of these lakes. Sympatric with the native relict species L. macrurus, Senecella siberica Vyshkvartzeva 1994, was found in our zooplankton samples taken from the deep parts of lakes Lama and Sobachye in the summer-autumn of 2014-2016. Sampling was performed using a Juday net hauled vertically from a depth of 15, 20(25/30) and/or 50 m to the surface. All Senecella specimens were older copepodites, mainly CIV stage in Lama and Sobachye lakes in August and CV in Sobachye Lake in September; their abundance was low (25-2000 ind. m(-2)). They inhabited the central deeper regions of the lakes, contributing up to 7-14% to the total wet biomass of net zooplankton in 0-20 and 0-50 m strata. Previous sporadic and rather superficial samplings in these lakes missed Senecella due to its deep locations, low abundance levels and the absence of both the oldest copepodites and adults in summer.

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Scopus
Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys,Fed Res Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Dubovskaya, O. P.; Glushchenko, L. A.

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