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Invasive nonindigenous species -- plants and animals that have been introduced to an ecosystem from someplace else -- are wreaking havoc around the globe. Because they did not co-evolve with species already in the ecosystem, they can profoundly disturb species interactions and ecosystem function.The state of Florida has one of the most severe exotic species problems in the country; as much as a quarter of many taxa in Florida are nonnative, and millions of acres of land and water are dominated by nonindigenous species. Strangers in Paradise provides an in-depth examination of the Florida experience and of the ongoing efforts to eradicate or manage introduced species. Chapters consider: natur...
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Excerpt from Harmful Non-Indigenous Species in the U. S: Hearings Before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, Second Session; March 11 and 15, 1994 Hydrilla is the scourge of Eastern waterways. This aquatic weed blocks irrigation and drainage canals, promotes sedimentation in ood control reservoirs, impedes navigation, and suppresses fish eries. $100 million is spent annually to control this and other aquatic pests. Aquatic nuisances such as zebra mussels and Asian clams regularly clog municipal water lines and irrigation pipes. But nowhere are the effects of alien species more dramatic than in Hawaii. The September 1993 Office of Technolog...