Home » » Inhibitory analysis of top-down control: new keys to studying eutrophication, algal blooms, and water self-purification. inhibitory effects, surfactants, detergents, benthic, filter-feeders, bivalves, mollusks, Unio tumidus, U. pictorum, Mytilus galloprovincialis, M. edulis, Crassostrea gigas,

Inhibitory analysis of top-down control: new keys to studying eutrophication, algal blooms, and water self-purification. inhibitory effects, surfactants, detergents, benthic, filter-feeders, bivalves, mollusks, Unio tumidus, U. pictorum, Mytilus galloprovincialis, M. edulis, Crassostrea gigas,


Inhibitory analysis of top-down control: new keys to studying eutrophication, algal blooms, and water self-purification 
http://5bio5.blogspot.com/2012/11/inhibitory-analysis-of-top-down-control.html
http://libra.msra.cn/Publication/48275266/inhibitory-analysis-of-top-down-control-new-keys-to-studying-eutrophication-algal-blooms-and
S. A. Ostroumov
Ostroumov S.A. Inhibitory analysis of top-down control: new keys to studying eutrophication, algal blooms, and water self-purification. – Hydrobiologia. 2002, vol. 469, p. 117-129;
 http://www.scribd.com/doc/52598579/; 
It is the first article in which the new experimental data of the author were analyzed to give new fresh insight into ecological mechanisms of eutrophication and abnormal increase in phytoplankton. Also, new insight in how ecosystem runs water self-purification. A fundamentally new approach and methodology to study top-down control in ecosystems: the first introduction of what the author calls ‘inhibitory analysis’; the paper presented a new insight in understanding that a decrease in activity of filter-feeders are part of the causes and mechanisms of eutrophication and algal blooms. The paper shows how to identify and measure this new factor which stimulates those negative phenomena. The paper covers, inter alia, some aspects of the following: 1) The mechanism of water self-purification processes. 2) Water pollution with sublethal concentrations of synthetic surfactants of various classes can inhibit biofiltration in ecosystems, thereby giving rise to additional aspects of ecological hazards. 3) Evidence of the vulnerability of the activity of filter-feeders to some chemicals. 4) The regulating role of organisms can be effectively studied with the use of the author’s method of inhibitor analysis of regulatory interactions in trophic chains. 5) The filtration of water by filter-feeders has some conditioning effect on aquatic ecosystems. More comment, and about citation of this paper: http://www.scribd.com/doc/61179989; Top-down control is an important type of interspecies interactions in food webs. It is especially important for aquatic ecosystems. Phytoplankton grazers contribute to the top-down control of phytoplankton populations. The paper is focused on the role of benthic filter feeders in the control of plankton populations as a result of water filtering and the removal of cells of plankton from the water column. New data on the inhibitory effects of surfactants and detergents on benthic filter-feeders (Unio tumidus, U. pictorum, Mytilus galloprovincialis, M. edulis and Crassostrea gigas) are presented and discussed. Importance and efficiency of that approach to the problems of eutrophication and water self-purification is pointed out. Chemical pollution may pose a threat to the natural top-down control of phytoplankton and water self-purification process. The latter is considered an important prerequisite for sustainable use of aquatic resources.
Journal: Hydrobiologia , vol. 469, no. 1, pp. 117-129, 2002
Key words:
inhibitory effects, surfactants, detergents, benthic, filter-feeders, bivalves, mollusks, Unio tumidus, U. pictorum, Mytilus galloprovincialis, M. edulis, Crassostrea gigas,
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