Learning more about the ecosystems within your watershed—all the water in your region that drains to the same point—can help you better understand how everything is connected and what is at ...

freshwater ecosystems in rivers and lakes;and ocean water ecosystems at sea. Take a look out of your window. What kind of ecosystem do you see? In an ecosystem, everything is interconnected.

2 min read Freshwater ecosystems are essential for human survival, providing the majority of people's drinking water. The ecosystems are home to more than 40 percent of the world's fish species.

Wetlands are ecosystems, in which water is the primary factor controlling the environment and the associated plant and animal life. A broad definition of wetlands includes both freshwater and ...