The catchment approach to soil conservation in Kenya
1992
Admassie, Yeraswarq |
Conservation strategies
Conserving Russia's biological diversity : an analytical framework and initial investment portfolio
1994
Krever, Vladimir |
Dinerstein, Eric |
Olson, David |
Williams, Laura |
Biodiversity, temperate ecosystems, and global change
1994
Boyle, Timothy James Butler |
Boyle, Christopher E. B. |
Espacios naturales protegidos
1993
Fernandez de Tejada, Antonio |
Castroviejo Bolívar, Miguel |
Purroy Iraizoz, Francisco José |
Araújo, Joaquín |
Wildlife and national parks in Nigeria 1962
1965
Petrides, George A. |
A strategy for the establishment and development of Bande Amir national park
1977
Shank, Christopher C. |
Larsson, John Y. |
Neka pitanja nacionalnih i regionalnih prirodnih parkova u Jugoslaviji
1978
Colic, Dusan B. |
Naturschutz in der Schweiz
1946
Vischer, Wilhelm |
The rock art sites of Kakadu national park : some preliminary research findings for their conservation and management
1983
Gillespie, D. |