"describe management practices that help reduce the impacts of timber harvesting, fires, and deforestation." Write a few sentences about the management practices for each of the 3 impacts: timber harvesting, fires, and deforestation.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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