Development of a methodology for estimation of ballast water operations in UK ports

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  2. Dr Hossein Enshaei
  3. Professor Ehsan Mesbahi
Author(s)Enshaei H, Mesbahi E
Publication type Article
JournalMaritime Policy and Management
ISSN (print)0308-8839
ISSN (electronic)1464-5254
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To avoid or mitigate risks associated with introduction of non-indigenous species, it is necessary to monitor and understand the quantity and the origin of the foreign and domestic ballast water discharged in territorial waters. It is not compulsory yet to report ships ballast water operations in any ports in the UK. A number of ports have been contacted and their shipping operation from 2003 to 2005 has been collected. Despite diverse nature and format of the data, it has been possible to develop a correlation between the amount of cargo and ballast water operations for every port and hence estimate the potential amount of ballast water discharged. The proposed methodology has been used to estimate the total amount of ballast water discharged in UK waters and at an individual port. Based on this estimation, 20 UK ports with highest amount of imported ballast water from foreign origins have been identified.
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