Document Detail


Excess propagation and biological control of zooplanktonic Cyclops in drinking water sources.
MedLine Citation:
PMID:  16312962     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Starting with the occurrence of Cyclops in drinking water sources and its danger to drinking water safety, we extensively investigated the nature of its excess propagation by analyzing the effect of living space and predator pressure in the food chain on its survival. Then we developed an ecological project using fish biomanipulation, different to the conventional fishery culture technique, to control excess propagation of Cyclops. The control effects on Cyclops of four species of fish were investigated experimentally at a stocking density of 30 g/m3 of water. Results showed that the food habit of the fish had a significant influence on the biological control of Cyclops. The propagation of Cyclops could be controlled effectively and also the water quality improved simultaneously by stocking filter-feeding fish, such as silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis). However, herbivorous Ctenopharyngodon idellus and omnivorous Cyprinus carpio had no obvious biological effects on controlling the growth of Cyclops and restoring water quality. The results further proved that under conditions of proper poly-culture densities of silver carp and bighead carp, the number of Cyclops might be controlled at very low levels and eutrophication might be abated by removing nutrients from the water body.
Authors:
F Y Cui; T Lin; D M Liu; L Q Zhang
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Water science and technology : a journal of the International Association on Water Pollution Research     Volume:  52     ISSN:  0273-1223     ISO Abbreviation:  Water Sci. Technol.     Publication Date:  2005  
Date Detail:
Created Date:  2005-11-29     Completed Date:  2006-07-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9879497     Medline TA:  Water Sci Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  151-9     Citation Subset:  IM    
Affiliation:
School of Municipal and Environmental Engineering, Harbin Institute of Technology, P R China. cuifuyi@public.hr.hi.cn
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Animals
Aquaculture / methods
Carps / physiology*
Copepoda / growth & development*
Eutrophication / physiology
Feeding Behavior / physiology
Food Chain*
Nitrogen / analysis
Phosphorus / analysis
Population Dynamics
Water Supply / analysis*
Zooplankton / growth & development*
Chemical
Reg. No./Substance:
7723-14-0/Phosphorus; 7727-37-9/Nitrogen

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


Previous Document:  Perception of tap water risks and quality: a structural equation model approach.
Next Document:  Environmental impact and health risks associated with greywater irrigation: a case study.