Monday, November 03, 2003
State, local, and federal officials meeting in Arizona have resigned themselves to the fact that giant salvinia (Salvinia molesta) has become a permanent resident of the Lower Colorado River, according to this story on YumaSun.com. The aquatic weed, which was first found in the river in 1999, has now spread south into Mexico, perhaps slightly ironic, as its native habitat is Brazil. In an attempt to control the weed, scientists are now testing the effectiveness of Cyrtobagous salviniae, a weevil biocontrol, and are educating the public about the benefits of cleaning their boating equipment to avoid spreading invasive plants.
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