TY  - BOOK
AU  - Casper, Julie Kerr
TI  - Changing ecosystems : effects of global warming
SN  - 9780816072637
SN  - 200900141
U1  - 577.276 CAS 
PY  - 2010///
CY  - New York
PB  - Facts On File
KW  - Biotic communities - Popular works
KW  - Ecology - Popular works
KW  - Global warming - Popular works
N1  - Includes bibliographical references and index
ER  -