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Marine Pollution and Ballast Waters
… - Marine Pollution and Ballast Waters Site: UNITED NATIONS INFORMATION PORTAL ON MULTILATERAL ENVIRONMENTAL AGREEMENTS … latter necessitates existing ships to meet ballast water exchange standards and new ships to meet performance … levels of protection. Vessels using the ballast water exchange method should not discharge ballast water within 200 …
Invasive Alien Species - a growing threat in Regional Seas
… during the 1990s. The guidelines recommended the exchange of ballast water at sea, regular removal of sediment … By increasing sedimentation rates and reducing seawater exchange it causes further ecosystem deg- radation, … or the UNEP Regional Seas office in Nairobi for further information. www.unep.org/regionalseas The Convention on …
Maritime Traffic Effects on Biodiversity in the Mediterranean Sea. Volume 1 - Review of Impacts, Priority Areas and Mitigation Measures
… lobsters). Fish use sounds to communicate and to perceive information from the environment; more than 50 families of … few scientific papers dealing with noise and little basic information on the main sources of noise are available for … in sediments within high-density marinas with poor water exchange. At present there is no regulation as to their …