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The invasion of exotic earthworms in previously earthworm-free areas eliminates the forest litter layer, alters the carbon and nitrogen cycles and reduces native plant cover. Humans are the principal agents of invasive earthworm dispersal, spreading worms both inadvertently through the horticulture industry, logging and road travel, and voluntarily through composting and the disposal of earthworm bait on land. This is the first study to focus on the human dimensions of earthworm invasion. Using a knowledge-attitudes- behavior (KAB) framework, this study explores the correlates of voluntary earthworm dispersal in the Town of Webb, NY, and attempts to determine which groups of people are spreading earthworms and through bait use and composting and how environmental knowledge and attitudes contribute to this behavior.

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