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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : GITELSON I.I., GLADYSHEV M.I., DEGERMENDZHY A.G., LEVIN L.A., SIDKO F.Y.
Заглавие : THE ECOLOGICAL BIOPHYSICS AND ITS PART IN INVESTIGATION OF AQUATIC ECOSYSTEMS
Место публикации : Biofizika: MEZHDUNARODNAYA KNIGA, 1993. - Vol. 38, Is. 6. - С. 1069-1078. - 10. - ISSN 0006-3029
Примечания : Cited References: 11
Предметные рубрики: SEASONAL DYNAMICS
RESERVOIR
BAY
Аннотация: The notion of ecological biophysics as a scientific discipline investigating physical processes and phenomena caused by functioning of the living super-organism systems is formulated. The three main constituents of the ecological biophysics are defined: elaboration of the monitoring methods of the basis of sensing of the biophysical fields (of bioluminescence and fluorescence), mathematical and physical modeling and investigation of the part of living organisms in the hydrophysical processes of the ecosystem scale. Examples of realization of the ecological biophysical approach in the process of investigations of the World Ocean, Lake Baikal, the reservoirs of Dnieper and Yenisei revers are given.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N.N., Kalacheva G.S., Zhila N.O., Gladyshev M.I., Volova T.G.
Заглавие : A temperature dependence of the intra- and extracellular fatty-acid composition of green algae and cyanobacterium
Колич.характеристики :7 с
Место публикации : Russ. J. Plant Physiol.: MAIK NAUKA/INTERPERIODICA, 2003. - Vol. 50, Is. 3. - P374-380. - ISSN 1021-4437, DOI 10.1023/A:1023830405898
Примечания : Cited References: 31
Предметные рубрики: SURFACE-FILM
LIPIDS
WATER
BLOOM
SEA
BAY
Ключевые слова (''Своб.индексиров.''): green algae--cyanobacterium--lipids--fatty acids--secretion
Аннотация: The effect of ambient temperature on the composition of intracellular fatty acids and the release of free fatty acids (FFA) into a medium by cyanobacterium Spirulina platensis and eukaryotic microalgae, Chlorella vulgaris and Botryococcus braunii, was studied using their batch cultures. It was found that all the species studied, regardless of their taxonomic status, responded to the temperature regime by similar changes in their intracellular fatty acid composition: the relative content of more unsaturated fatty acids decreased with the elevation of temperature. At the same time, in the prokaryote, this temperature shift blocked, first of all, the elongation of 16:0 to 18:0 and then their further desaturation. In eukaryotes, the change in the desaturation of dienoic to trienoic fatty acids was the most pronounced process. The ratio of dienoic to trienoic fatty acids remained almost unchanged in S. platensis. The relative content of extracellular unsaturated FFA increased in the prokaryotic organism S. platensis at a higher temperature. But no significant changes in the composition of extracellular unsaturated FFA were detected in eukaryotic algae upon temperature elevation.
WOS
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