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Freshwater Ecosystems

Definition - What does Freshwater Ecosystems mean?

Aquatic ecosystems including lakes, rivers and wetlands make up the world’s freshwater ecosystems. They are characterized by a lower salt content than that which occurs in marine ecosystems. Freshwater ecosystems are classified according to factors including temperature, the amount of light penetration and the type of vegetation that occurs.

Safeopedia explains Freshwater Ecosystems

Freshwater ecosystems are vital to all life including human life. Only 3% of the world’s water is fresh. Of this, 99% is locked in glaciers or underground water. If freshwater ecosystems are disrupted, human health is at risk, since most of the water we use comes from these accessible sources of fresh water. Freshwater ecosystems can be threatened by acidification, eutrophication or contamination with chemicals.

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