TY - BOOK AU - Martin,Patricia A.Fink TI - Rivers and streams T2 - Exploring ecosystems SN - 032931436X AV - QH541.5.S7 M375 1999 U1 - 577.6/4/0712 21 PY - 1999/// CY - New York PB - Franklin Watts KW - Stream ecology KW - Study and teaching KW - Activity programs KW - Juvenile literature KW - Ecology KW - Experiments KW - Rivers KW - sears KW - Science N1 - Includes bibliographical references (p. 136-137) filmography (p. 137), and index; Appraisal-Science Books for Young People; Booklist; Wilson's Junior High School; Young Adult; Follett Library Resources N2 - Provides instructions for projects and activities that explore river and stream habitats and explains why these environments should be preserved and protected ER -