Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2000-6-8
pubmed:abstractText
Little information is available on the effects of metals in the diet of parastacids, despite the importance of the freshwater crayfish industry worldwide. There have been no published studies on the effect of either dissolved or dietary copper on the Australian freshwater crayfish Cherax destructor. Herein is reported a study on the bioaccumulation of copper through a simple food chain. The copper was first absorbed by the floating aquatic macrophyte Lemna minor to an average concentration of 74 microg/g, before being fed to C. destructor. In the crayfish, the highest copper concentrations were found in the muscle (56.4-1299.6 microg/g), gills (86.8-714.3 microg/g) and hemolymph (14.8-293.5 microg/g). There was no bioaccumulation or bioconcentration of copper from contaminated dietary material. A general linear model indicated that such treatment had no effect on copper concentrations in the crayfish. The results are consistent with the regulation of copper by C. destructor, with the gills being the main site for absorption and depuration of copper to and from the water column. C. destructor does not appear to be sensitive to dietary copper.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0147-6513
pubmed:author
pubmed:copyrightInfo
Copyright 2000 Academic Press.
pubmed:issnType
Print
pubmed:volume
46
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
117-23
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Effects of dietary copper on the Australian freshwater crayfish Cherax destructor.
pubmed:affiliation
School of Ecology and Environment, Deakin University, Warrnambool, Victoria, 3280, Australia.
pubmed:publicationType
Journal Article