lake ecology

Do dragonflies bite? What is the difference between a frog and a toad? Are leeches dangerous?.

Describes rivers and lakes and the animals living in them.

Text and color illustrations explore what life is like inside Lake Superior, one of the largest Great Lakes visited by boat each year.

Looks at the environmental impacts of man on the Great Lakes in North America.

Simple text and illustrations introduce the ecology of a lake.

"Explores the freshwater lake biome, plants and animals in the biome, the biome food chain, and highlights the lake trout"--Publisher's description.

"There are lakes in each biome on the planet. They are filled with many different kinds of plants and animals. But how do these lakes form? And how can people keep lakes clean and safe?"--Back cover.

The Great Lakes?Erie, Huron, Michigan, Ontario and Superior?hold 20 percent of the world?s supply of surface fresh water and provide sustenance, work and recreation for tens of millions of Americans. But they are under threat as never before, and their problems are spreading across the continent. The Death and Life of the Great Lakes is prize-winning reporter Dan Egan?s compulsively readable portrait of an ecological catastrophe happening right before our eyes, blending the epic story of the lakes with an examination of the perils they face and the ways we can restore and preserve them for generations to come.

Presents information on what an ecosystem is and how energy and nutrients cycle through a river and lake ecosystem, and provides examples of the plants, animals, and features of rivers and lakes around the world.

Contains an introduction to lakes, in simple text with illustrations, describing the water environment and the plant and animal life that lives there. Presented in English and Spanish.