Scientists of rivers, lakes, and ponds /

Braun, Eric, 1971-

Scientists of rivers, lakes, and ponds / by Eric Braun and Sandra Donovan. - Austin : Steadwell Books, c2002. - 48p. cm. - Scientists of the biomes .

Includes bibliographical references (p. ) and index.

Briefly describes rivers, lakes, and ponds, some of the life forms that depend on them, and what scientists are doing to help conserve them.

0739847554 : $24.26

2001031866


Rivers.
Lakes.
Ponds.
Conservation of natural resources.

QH97 / .B73 2002

578.763