Document Detail

Low salinity residual ballast discharge and exotic species introductions to the North American Great Lakes.
MedLine Citation:
PMID:  14550346     Owner:  NLM     Status:  MEDLINE    
Exotic species introductions to the North American Great Lakes have continued even though ballast water management strategies were implemented in the early 1990s. Overseas vessels that arrive with little or no exchangeable ballast on board have been suspected to be an important source for discharging low salinity ballast containing low salinity tolerant organisms in this region. Residual ballast averaged 18.1+/-13.4 per thousand salinity among 62 samples taken primarily from bottom tanks on 26 vessels that entered the Great Lakes in 1999 and 2000. Sampling of 2-4 tanks each on nine vessels indicated all carried at least one tank of residual ballast of </=5 per thousand salinity. Many of these transits originated from the northeast Atlantic, Mediterranean and Black Sea regions which have been the probable source for many of the more recent introductions to this region.
Arthur J Niimi; Donald M Reid
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Marine pollution bulletin     Volume:  46     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2003 Oct 
Date Detail:
Created Date:  2003-10-10     Completed Date:  2003-12-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  1334-40     Citation Subset:  IM    
Department of Fisheries and Oceans, Canada Centre for Inland Waters, Burlington, P.O. Box 5050, Burlington, ON, Canada L7R 4A6.
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MeSH Terms
Environmental Monitoring / methods*
Fresh Water / analysis*
Great Lakes Region

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

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