This section will define and describe freshwater ecosystems. Specifically, you will learn:

What is a Freshwater Ecosystem?
What bodies of water are included in a freshwater ecosystem? What are the components of a lake's watershed?

Lake Chemistry
Lakes are the largest final destination of freshwater ecosystems. The water chemistry of a lake is important to maintain life and drinking safety. This section will tell you what the chemical balance of a lake must be and what endangers that balance.

Why We Need Freshwater Ecosystems
What do lakes and rivers provide us with on an everyday basis? This section will detail those benefits.