Document Detail


Chromium toxicity on two linked trophic levels. I. Effects of contaminated algae on Daphnia magna.
MedLine Citation:
PMID:  7682919     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effects of feeding Daphnia magna on algae (Scenedesmus acutus) pretreated with different concentrations of Cr(VI) were studied. A positive effect on growth and newborn production rate was observed in the daphnids fed on algae exposed to 1 mg/liter Cr(VI). Fecundity and growth were drastically reduced in daphnids fed on algae exposed to 10 mg/liter Cr(VI). Since the algae, cultured in the presence of these two Cr(VI) concentrations, supplied daphnids with similar amounts of chromium, the observed effects on the population dynamics of D. magna were attributed more to alterations of the nutritional value of the algal food, due to the Cr treatment, than to a toxic effect of the metal.
Authors:
G Gorbi; M G Corradi
Related Documents :
19113939 - Total and percent atropisomers of gossypol and gossypol-6-methyl ether in seeds from pi...
17808709 - Toxicity of plankton to cristispira inhabiting the crystalline style of a mollusk.
22795799 - Pulsed light treatment for the inactivation of selected pathogens and the shelf-life ex...
18800809 - Arsenic speciation in food and estimation of the dietary intake of inorganic arsenic in...
2824159 - Levels of arsenic in indian opium eaters.
22566109 - Tissuespeciesdose, administrationduration of treatmentplasma/serum or tissue concentrat...
16648879 - Determination of the biotin content of select foods using accurate and sensitive hplc/a...
3346519 - Enhancement by food restriction of liver protein synthesis in the aging fischer 344 rat.
15806739 - Use of ozone-depleting substances; removal of essential-use designations. final rule.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ecotoxicology and environmental safety     Volume:  25     ISSN:  0147-6513     ISO Abbreviation:  Ecotoxicol. Environ. Saf.     Publication Date:  1993 Feb 
Date Detail:
Created Date:  1993-05-27     Completed Date:  1993-05-27     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7805381     Medline TA:  Ecotoxicol Environ Saf     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  64-71     Citation Subset:  IM    
Affiliation:
Istituto di Ecologia, Università di Parma, Italy.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Algae, Green / drug effects*,  growth & development
Animals
Chromium / administration & dosage,  pharmacology,  toxicity*
Daphnia / drug effects*,  growth & development
Reproduction / drug effects
Chemical
Reg. No./Substance:
7440-47-3/Chromium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Confidence limits for hazardous concentrations based on logistically distributed NOEC toxicity data.
Next Document:  Chromium toxicity on two linked trophic levels. II. Morphophysiological effects on Scenedesmus acutu...