Ostroumov and Vorozhun (2009) Vorozhun I. M., S. A. Ostroumov. On studying the hazards of pollution of the biosphere: effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders. - Doklady Biological Sciences, 2009, Vol. 425, pp. 133

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Vorozhun I. M., S. A. Ostroumov. On studying the hazards of pollution of the biosphere: effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders. - Doklady Biological Sciences, 2009, Vol. 425, pp. 133–134

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CONTRIBUTORS:

	Author:	Ostroumov, S. A. (Moscow State University)
	Author:	Vorozhun, I.M.

JOURNAL:

Doklady Biological Sciences, 425(??), 133 - 124.

YEAR:

2009

PUB TYPE:

Journal Article

SUBJECT(S):

hazards of pollution of the biosphere, effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders, inhibitory effect, ability of planktonic filter-feeders Daphnia magna to remove phytoplankton from water, filtration activity, phytoplankton, green algae, Scenedesmus quadricauda

DISCIPLINE:

Ecology

HTTP:

LANGUAGE:

English

PUB ID:

103-448-454 (Last edited on 2009/04/06 00:11:26 GMT-6)

SPONSOR(S):

ABSTRACT:
Vorozhun I. M., S. A. Ostroumov. On studying the hazards of pollution of the biosphere: effects of sodium dodecylsulfate (SDS) on planktonic filter-feeders. - Doklady Biological Sciences, 2009, Vol. 425, pp. 133–134. [ISSN 0012-4966, Pleiades Publishing, Ltd., DOI: 10.1134/S0012496609020136]. The goal of this study was to test whether SDS has an inhibitory effect on the ability of planktonic filter-feeders Daphnia magna to remove phytoplankton from water during their filtration activity. Daphnia were kept under laboratory conditions in vessels and fed with phytoplankton: green algae Scenedesmus quadricauda (Turp.) Breb.). After filtration for 6–24 h in the presence of SDS at concentrations 5 and 10 mg/l, the abundance of S. quadricauda cells in water was higher than in the control. At the lower SDS concentrations (0.1, 0.5, and 1 mg/l), some differences in the abundance of algal cells relative to the control were observed after 3 h of incubation and disappeared after 6–24 h of incubation. The calculation of the mean rate of algae removal by daphnia showed that this parameter decreased within the first 3 h after the beginning of incubation in the presence of SDS. Thus, the results of the experiments demonstrated that SDS decreases the rate of water filtration by the planktonic crustaceans D. magna.

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