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Auteurs :
text | ISTPM | 1977-12
The laboratory tests showed that the diflubenzuron does not present acute toxicity to shellfish and fish, but can affect the survival rate of Artemia salina and Palaemonetes varians, when its concentration rises to the level of it...
Auteurs :
text | ISTPM | 1972-03
Toxicity of seven emulsifying agents for treating oil spills (ISTPM designation E sub(22), E sub(30), E sub(41), E sub(46), E sub(47), E sub(52) and E sub(53)) was determined using eight marine species (three gastropods, one bival...
Auteurs :
text | ISTPM | 1977-12
The effluents are characterized by acidity produced by the presence of sulfuric acid, and a slight quantity of several metallic salts. Effects on the larval development of P. serratus are discussed.
Auteurs :
text | ISTPM | 1973-09
The acute toxicity of 5 anionic detergents towards 15 marine organisms is related in this study which indicates that fish are very susceptible while Crustacea are the most resistant animals. Phytoplankton and molluscs appear to h...
Auteurs :
text | ISTPM | 1973-09
In this research, biodegradation associated with evaluation of the variations of acute toxicity of 5 anionic detergents towards Anguilla anguilla is described. It appears that the process of anionic detergent biodegradation in sea...
Auteurs :
text | ISTPM | 1973-03
The effect of the 2 pesticides most frequently used against mosquitoes was tested on a number of marine organisms. Growth inhibition was tested using Phaeodactylum tricornutum and Gyrosigma spencer (algae). To 0.5 ml of culture in...
Auteurs :
text | ISTPM | 1984-06
The non-ionic surfactant group, polyethoxylated nonylphenols, show a toxicity to elvers in inverse relation to the number of ethylene oxide groups in the molecule. Their short-term effects on elver gills include much tissue disorg...
Auteurs :
text | ISTPM | 1985-12
Arsenic is an important element in marine environment due to its level 1,000 times higher that of mercury and its behavior close to that of phosphorus. This overview recalls few chemical and biochemical basis and presents the cur...
Auteurs :
text | ISTPM | 1981-03
In order to estimate the effects of chlorine used in cooling systems of electric power plants on zooplankton, some experiments have been realized with the four first larval stages of the prawn (P. serratus Pennant). Chlorine injec...
Auteurs :
text | ISTPM | 1972-03
The necessity to combat oil slicks makes it necessary to assess the relative effectiveness and toxicity of dispersal agents used. This is usually done by using individual or groups of indicator organisms. The theory behind the var...