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Ballast Water & Exotic Species
Ballast stablizes ships in the water and is a necessary feature of commercial shipping. Ballast is primarily composed of water ... possible on the high seas in depths exceeding 2000 meters. However, problems with open ocean ballast exchange, ranging from limited effectiveness to concerns about crew and ship safety, have arisen. These ...
www.providence.edu

Executive Committee Conference Call Minutes on Aquatic Nuisance Species - April 1999.
Coastal Ballast Water issues. WRP Fall meeting in Austin. Members requested that Chair point out discrepancy in funding for west coast issues. Ballast Exchange Study A copy of the Ballast Exchange study ... weeks. General Ballast Water Update Randy Brown gave a brief update on California Ballast water activities. State agency and shipping industry meeting was held to address ballast water control. ...
www.fws.gov

Aquatic Nuisance Species
Exchange should be regarded as an interim measure only and that the aim is to produce safe and more effective alternative ballast water treatment options that will replace Ballast Water Exchange". How Effective is Ballast Exchange ...
www.nutech-o3.com

CRC Reef Research Centre
Ballast water exchange at sea is the method approved by the International Maritime Organisation to reduce the risk of introducing marine species. Deep water ballast exchange or treatment is ... effective and exchange at sea can be dangerous for ships. Deep water ballast exchange costs the shipping industry over $23 million a year. The impact of introduced species Most ballast water ...
www.reef.crc.org.au

Untitled Document
Given harsh weather conditions which can make ballast exchange on the open seas unsafe (and thus exempted) and differences in application by shipmasters, it would be challenging to ensure that every vessel executes the ballast ...
glu.org

TEACH: Non-native invasive species in the Great Lakes
Once NOBOB and BOB ships arrive in another port of call, the water held in ballast tanks is discharged, exchanged or water is added. This ballast exchange may occur at multiple ports of call during a vessel's long journey. Larger vessels often carry millions of gallons of ballast ...
www.great-lakes.net

TEACH: Non-native invasive species in the Great Lakes
If they do not perform open-ocean ballast exchange, they are not permitted to release ballast in the Great Lakes. Open-ocean ballast exchange ... different ballast water treatment options to supplement or replace open-ocean ballast exchange. Some of the research includes: filtering ballast water to remove nonindigenous organisms heating ballast water or ...
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Background Information - Research and Management Priorities for Aquatic Invasive Species in the Great Lakes
Great Lakes has not declined despite implementation of Canadian ballast water exchange guidelines in 1989, followed by mandatory ballast exchange requirements established in 1993 by the U.S. for ships ... Great Lakes. Of 15 new organisms since 1986, 11 are attributed to ballast tank discharges. Of these 11 ballast-implicated organisms, 8 are Ponto-Caspian species. Prominent among Ponto- ...
iaglr.org

Prevention - Research and Management Priorities for Aquatic Invasive Species in the Great Lakes
Vessels fully loaded with cargo require no ballast water other than for adjusting trim, and generally their ballast tanks have been pumped out. Such vessels are called "NOBOBs" (NO-Ballast ...
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EnviroZine - Features - Balancing Act: Ballast Water Treatment Technologies to Address Invasive Species Problem
The Ballast Water Control and Management Regulations require ships entering waters under Canadian jurisdiction to: exchange their ballast water in open ocean; treat their ballast water; discharge their ballast ...
www.ec.gc.ca