Land use
Destructive land use practices that result in vegetation loss anywhere within the
drainage basin of a river can have negative impacts on freshwater ecosystems. The
forests and native plant communities surrounding lakes, rivers, and wetlands help protect
water quality and quantity by filtering and storing runoff. Changes in land use
brought about by agriculture and urbanization (such as deforestation, chemical fertilization,
and paving) lead to increased runoff with higher levels of nutrients and other pollutants.
In addition, more sediments are washed into the system and water turbidity
rises, with negative impacts on fish, filter feeders, aquatic plants, and bacteria (Baron et
al., 2003; Megahan et al., 1992).
Land useDestructive land use practices that result in vegetation loss anywhere within thedrainage basin of a river can have negative impacts on freshwater ecosystems. Theforests and native plant communities surrounding lakes, rivers, and wetlands help protectwater quality and quantity by filtering and storing runoff. Changes in land usebrought about by agriculture and urbanization (such as deforestation, chemical fertilization,and paving) lead to increased runoff with higher levels of nutrients and other pollutants.In addition, more sediments are washed into the system and water turbidityrises, with negative impacts on fish, filter feeders, aquatic plants, and bacteria (Baron etal., 2003; Megahan et al., 1992).
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