Josephs, David. <br/><br/>
Lakes, ponds, and temporary pools / 
David Josephs. 
 - New York :  F. Watts,  c2000. 
 - 127 p. :  ill. ;  24 cm. 
 - Exploring ecosystems .
<br/><br/>Includes bibliographical references (p. 120-121) and index. 
<br/><br/> Explains the importance of preserving and protecting slow-moving water habitats and provides instructions for related projects and activities. 
<br/><br/><label>ISBN: </label>0531116980 
<br/><br/><label>LCCN: </label>99-057578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater ecology--Study and teaching--Activity programs--Juvenile literature.<br/>Ecology.<br/>Freshwater ecology.
<br/><br/><label>LC Class. No.: </label>QH541.5.F7  / J66 2000 
<br/><br/><label>Dewey Class. No.: </label>577.63/078