freshwater ecology

Presents a look at the plants, animals, locations, and various habitats that make up the freshwater ecosystems of the world.

This book explores river habitats around the world, looking at the plants and animals that live there, and the adaptations that help them to survive.

Discusses the ecosystem of freshwater rivers, lakes, ponds, and streams, the food webs within those systems, and the damaging effects of pollution.

Explains the importance of preserving and protecting slow-moving water habitats and provides instructions for related projects and activities.

Describes the formation of the Great Lakes, the varied lifeforms that are part of this ecosystem, the interactions among the plants and animals that live there, and threats to this environment.

Presents an introduction to the underwater world, exploring rivers, ponds, and the seashore; and includes simple experiments designed to help young scientists learn about these natural areas.

Describes rivers and lakes as geographical features, the plant and animal life they support, some of the uses the humans make of their water, and the problem of pollution.