River and stream /
Sayre, April Pulley.
River and stream / [by] April Pulley Sayre. - New York : Twenty-First Century, 1996. - 80 p. : col. ill., col. map ; 24 cm. - Exploring earth's biomes .
Includes bibliographical references and index.
Describes aquatic biomes, focusing on life in rivers and streams, and explains the effect of pollution on these biotic communities and on the lives of people everywhere.
6. 5-9.
0805040889
95034458 /AC
Stream ecology.
Rivers.
Ecology.
574.526/SAY
River and stream / [by] April Pulley Sayre. - New York : Twenty-First Century, 1996. - 80 p. : col. ill., col. map ; 24 cm. - Exploring earth's biomes .
Includes bibliographical references and index.
Describes aquatic biomes, focusing on life in rivers and streams, and explains the effect of pollution on these biotic communities and on the lives of people everywhere.
6. 5-9.
0805040889
95034458 /AC
Stream ecology.
Rivers.
Ecology.
574.526/SAY