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Ballast Water and Shipping Patterns in Washington State Considerations for Siting of Alternative Ballast Water Exchange Zones Kevin Anderson Puget Sound.

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Presentation on theme: "Ballast Water and Shipping Patterns in Washington State Considerations for Siting of Alternative Ballast Water Exchange Zones Kevin Anderson Puget Sound."— Presentation transcript:

1 Ballast Water and Shipping Patterns in Washington State Considerations for Siting of Alternative Ballast Water Exchange Zones Kevin Anderson Puget Sound Action Team

2 Trading Partners - Arrivals By Last Port of Call July 2004 to June 2005 0 200 400 600 800 1000 1200 1400 AsiaUSA*CanadaOther # of vessels WA ports on Columbia RPuget Sound ports *1/2 ships arriving in Puget Sound are from California, the rest are from Alaska and Columbia R. Source: Washington Department of Fish and Wildlife n ~ 4,300 37 Percent

3 Total Volume of Ballast Water Discharged Reported by Ship Operators 2 3 4 5 01/03 -06/0307/03-12/0301/04-06/0407/04-12/0401/05-06/0507/05-12/05 Million cubic meters Columbia River portsPuget Sound ports Source: Washington Department of Fish and Wildlife

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5 Unexchanged Ballast Water Discharged to Puget Sound Ports 0 20 40 60 80 100 120 140 160 180 1/03-6/037/03-12/031/04-6/047/04-12/041/05-6/057/05-12/05 Thousand cubic meters Total unexchanged ballast water dischargedVolume from California Source: Washington Department of Fish and Wildlife

6 Unexchanged Ballast Water Discharged to Columbia River Ports 0 50 100 01/03 -06/0307/03-12/0301/04-06/0407/04-12/0401/05-06/0507/05-12/05 Cubic meters X 1,000 Total unexchanged ballast water dischargedVolume from California Source: Washington Department of Fish and Wildlife

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8 An Estuary of High Biological Diversity and Abundance Exclude from ABWEZ consideration

9 Operational considerations

10 Biological considerations (Photos: Orca – Center for Whale Research, Copper rock fish – Jim Ramaglia, Shellfiish area – Taylor Shellfish Farms) Center for Whale Research photo

11 Oceanographic consideration

12 Source: Larson, Foreman, Levings and Tarbotton: “Dispersion of discharged ship ballast water in Vancouver Harbor Juan de Fuca Strait, and offshore of the Washington Coast.” NRC Canada 2003 Surface release of active organisms at peak ebb summer spring tide Strait of Juan de Fuca

13 Source: Larson, Foreman, Levings and Tarbotton: “Dispersion of discharged ship ballast water in Vancouver Harbor Juan de Fuca Strait, and offshore of the Washington Coast.” NRC Canada 2003 At depth release of passive organisms at peak flood winter neap tide

14 Intuitional considerations Washington state law National Invasive Species Act

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