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- Title
Factors influencing densities of non-indigenous species in the ballast water of ships arriving at ports in Puget Sound, Washington, United States.
- Authors
Cordell, Jeffery R.; Lawrence, David J.; Ferm, Nissa C.; Tear, Lucinda M.; Smith, Scott S.; Herwig, Russell P.
- Abstract
The article presents a study which examines the effectiveness of ballast water exchange (BWE) in reducing the peril of new encroachment in Puget Sound, Washington. It notes the factors affecting the densities of non-indigenous species in the ballast water of ships coming at the ports in Puget Sound. It explores the connection between zooplankton assemblage structure and factors such as ship route, ship type and ballast source. It also states that Washington Department of Fish and Wildlife (WDFW) and University of Washington (UW) sampled ballast tanks from ships on transpacific navigation and west coast voyages. The study found that BWE lowers coastal plankton densities that introduce risk, but increases less risky oceanic taxa densities in ships that enter the ports in Puget Sound.
- Subjects
PUGET Sound (Wash.); WASHINGTON (State); MARINE biological invasions; EXOTIC marine organisms; ZOOPLANKTON; BALLAST water; STABILITY of ships; OPTIMUM ship routing; U.S. Fish &; Wildlife Service
- Publication
Aquatic Conservation, 2009, Vol 19, Issue 3, p322
- ISSN
1052-7613
- Publication type
Article
- DOI
10.1002/aqc.986