TY  - BOOK
AU  - Weeks,W.William
TI  - Beyond the ark: tools for an ecosystem approach to conservation 
SN  - 1559633921
PY  - 1997///
CY  - Washington, D.C.
PB  - Island Press
KW  - Ecosystem management
KW  - Nature conservation
KW  - Nature conservancy (U.S.)
N1  - Includes bibliographical references and index
ER  -