Press Releases


March 2005
March 2004


May 2004

Lewis and Clark Bicentennial

Stop Aquatic Hitchhikers Poster
Lewis & Clark Public Service Announcement #1 (sound, mp3)
Lewis & Clark Public Service Announcement #2 (sound, mp3)

Other Information Regarding Species of Concern

100 Most Dangerous Invaders To Keep Out of Oregon in 2010

ANS Examples



(Caulerpa Taxifolia)

Nicknamed “killer algae”, part of this species success as an invader in non-native habitats is the lack of natural predators. Predation by herbivorous fish and invertebrates is an important controlling factor in the ecology of this alga. C. taxifolia grows unchecked in environments with no natural predators.