TY  - BOOK
AU  - Abell,Robin A.
ED  - World Wildlife Fund (U.S.)
TI  - Freshwater ecoregions of North America: a conservation assessment 
SN  - 9781559637343
AV  - QH77.N56 F69 2000
U1  - 577.6 21
PY  - 2000///
CY  - Washington, D.C. 
PB  - Island Press
KW  - Biodiversity conservation
KW  - North America
KW  - Ecological regions
KW  - Freshwater ecology
N1  - "World Wildlife Fund--United States."; Includes bibliographical references (p. 289-304) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0666/99016796-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1409/99016796-t.html
UR  - http://www.loc.gov/catdir/enhancements/fy1512/99016796-b.html
ER  -