Document Detail

Effect of an acid mine drainage effluent on phytoplankton biomass and primary production at Britannia Beach, Howe Sound, British Columbia.
MedLine Citation:
PMID:  16038945     Owner:  NLM     Status:  MEDLINE    
We investigated the effect of acid mine drainage (AMD) from an abandoned copper mine at Britannia Beach (Howe Sound, BC, Canada) on primary productivity and chlorophyll a levels in the receiving waters of Howe Sound before, during, and after freshet from the Squamish River. Elevated concentrations of copper (integrated average through the water column >0.050 mgl(-1)) in nearshore waters indicated that under some conditions a small gyre near the mouth of Britannia Creek may have retained the AMD from Britannia Creek and from a 30-m deep water outfall close to shore. Regression and correlation analyses indicated that copper negatively affected primary productivity during April (pre-freshet) and November (post-freshet). Negative effects of copper on primary productivity were not supported statistically for July (freshet), possibly because of additional effects such as turbidity from the Squamish River. Depth-integrated average and surface chlorophyll a were correlated to copper concentrations in April. During this short study we demonstrated that copper concentrations from the AMD discharge can negatively affect both primary productivity and the standing stock of primary producers in Howe Sound.
C D Levings; D E Varela; N M Mehlenbacher; K L Barry; G E Piercey; M Guo; P J Harrison
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-07-20
Journal Detail:
Title:  Marine pollution bulletin     Volume:  50     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2005-12-02     Completed Date:  2006-09-19     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  1585-94     Citation Subset:  IM    
Center for Aquaculture and Environmental Research, Fisheries and Oceans Canada, West Vancouver, BC, Canada V7V 1N6.
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MeSH Terms
British Columbia
Carbon / analysis
Chlorophyll / analysis
Copper / analysis*
Environmental Monitoring / standards*
Industrial Waste / analysis*
Phytoplankton / growth & development*
Population Dynamics
Seawater / chemistry
Statistics as Topic
Waste Disposal, Fluid
Water Pollutants, Chemical / analysis
Reg. No./Substance:
0/Industrial Waste; 0/Water Pollutants, Chemical; 1406-65-1/Chlorophyll; 479-61-8/chlorophyll a; 7440-44-0/Carbon; 7440-50-8/Copper

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

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