Document Detail

Water quality and fisheries in the Mersey estuary, England: A historical perspective.
MedLine Citation:
PMID:  16427096     Owner:  NLM     Status:  MEDLINE    
The Mersey estuary, NW England, once had a prolific fishery but in the aftermath of the industrial revolution water quality and fisheries declined and the Mersey became infamous as one of the most polluted rivers in Europe. Until relatively recently, almost all industrial and domestic effluents were discharged without treatment resulting in abominable fouling of the shoreline, and long anoxic reaches in the upper estuary during the summer. In addition, there were unknown biological impacts resulting from a complex mixture of dangerous substances present in the river. Over 1000 million pound has been spent to remedy this situation and there is unequivocal evidence that this has had the desired effect. Dissolved oxygen is now generally >60% saturation, salmon are now found at the tidal-limit and the estuary is becoming ever more popular for sea angling. The river is no longer an embarrassing liability but is now perceived as an important asset in the economic regeneration of this region of the United Kingdom.
P D Jones
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Publication Detail:
Type:  Historical Article; Journal Article     Date:  2006-01-19
Journal Detail:
Title:  Marine pollution bulletin     Volume:  53     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2006  
Date Detail:
Created Date:  2006-04-07     Completed Date:  2006-09-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  144-54     Citation Subset:  IM    
Marine and Special Projects Group, Environment Agency, Warrington, Cheshire, WA4 1HG, United Kingdom.
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MeSH Terms
Fisheries / history*
History, 19th Century
History, 20th Century
Industrial Waste / adverse effects,  analysis
Industry / history*
Oxygen / metabolism
Population Dynamics
Sewage / adverse effects,  analysis
Water Pollution / analysis,  history*
Reg. No./Substance:
0/Industrial Waste; 0/Sewage; 7782-44-7/Oxygen

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

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