Imbalance of Factors Providing Control of Unicellular Plankton Populations Exposed to Anthropogenic Impact. New experimental data on environmental hazards from seven kinds of the commercially available laundry detergents to aquatic invertebrates (filter-feeders, bivalves). These detergents slowed down (inhibited) the rate of water filtration by the mollusks. As a result, the elimination (removal) of plankton cells from water decreased. The inhibition of water filtration was discovered. bivalves, mussels, oysters, shellfish,

Journal Article entitled:  Imbalance of Factors Providing Control of Unicellular Plankton Populations Exposed to Anthropogenic Impact

Author:  S. A. Ostroumov, Moscow State University;

Doklady Biological Sciences, 2001, Volume 379, Numbers 1-6, Pages 341-343.

http://5bio5.blogspot.com/2013/01/imbalance-of-factors-providing-control.html

What is innovative in this paper? What is FIRST and NEW:

1. The first in-depth analysis – both experimental and theoretical- of the total sum of natural and anthropogenic factors that control the balance of plankton (including phytoplankton) populations in freshwater and marine environments. This control of the balance is a key to environmental safety and sustainability of water sources.

 2. A new quantitative parameter and formula was suggested and measured in this paper: the efficiency of cell elimination from water by filter-feeders, ECE.

3. New experimental data on environmental hazards from seven kinds of the commercially available laundry detergents to aquatic invertebrates (filter-feeders, bivalves). These detergents slowed down (inhibited) the rate of water filtration by the mollusks. As a result, the elimination (removal) of plankton cells from  water decreased.

The inhibition of water filtration was discovered in the following experiments (at the concentrations of the chemical, mg/l, in brackets):

(1) Detergent OMO, freshwater mollusk Unio tumidus, (50);

(2) Detergent Losk-Universal, marine mollusk Mytilus galloprovincialis, (7);

(3) Detergent Tide-Lemon,  marine mollusk Mytilus galloprovincialis, (50);

(4) Detergent IXI, marine mollusk M. galloprovincialis, (10);

(5) Detergent Deni-Automat, marine mollusk Crassostrea gigas, (30);

(6) Detergent Lanza, marine mollusk Crassostrea gigas, (20);

(7) Detergent Vesna-Delikat,  marine mollusk Crassostrea gigas, (1);

The tables in the paper, with the innovative data: Factors of regulation of unicellular plankton abundance (Tab.1); effects of surfactants and detergents on phytoplankton abundance (Tab.2);7 detergents inhibit filtration of 3 species of marine and freshwater mollusks (Tab.3); Mytilus galloprovincialis eliminates from water the cells of Saccharomyces cerevisiae and algae Pavlova lutheri = M. lutherias a result of filtration (comparing the 2 processes at the same time, Tab. 4).

DETAILED ABSTRACT: http://scipeople.ru/publication/67505/;

FULL TEXT of the paper free: www.scribd.com/doc/49065596;

Text of the paper (without tables) with an addendum: http://sites.google.com/site/1dbs379p341imbalance/