A Swedish system of environmental indices
1993
Methodologies
Surveys of fisheries resources
1993
Gunderson, D. R. |
Planificacion estrategia del subsistema de parques nacionales y reservas equivalentes de Costa Rica, y una metodologia para redefinicion de limites de areas protegidas
1984
Godoy Herrera, Juan Carlos |
Trail guidelines manual St. Lawrence Islands national Park
1977
Finkelstein, M. |
Robinson, K. |
Managing mountain watersheds : the Upper Pokhara Valley, Nepal
1990
Thapa, Gopal B. |
Weber, Karl E. |
Wetland evaluation guide : final report of the Wetlands Are Not Wastelands Project
1992
Bond, W. K. |
Nature conservation : cost effective biological surveys and data analysis
1991
Margules, C. R. (Christopher Robert) |
Austin, M. P. |
CORINE biotopes
1991