Herwig, Russell2011-04-042011-04-042008-04-15http://hdl.handle.net/1773/16447Herwig will discuss the introduction of non-indigenous aquatic organisms in ballast water, and the development of ballast water treatment technologies that can be used to control the introduction of non-indigenous organisms.en-USballast watershipsinvasive speciesintroduced specieswaterwater treatmentshippingWashingtonRecording, oral