Terminology
| Term | Explanation |
|---|---|
| lake | A large body of fresh water. |
| average depth | A number that tells us the lake's depth on average. |
| eutrophic lake | A lake with a lot of nutrients and plant growth. |
| oligotrophic lake | A lake with clear water, little nutrients and minimal plant growth. |
| blue-green algae |
Small algae which can colour the water of a lake in the summer, making the water unsafe to swim in. |