Conservation of ecological processes 1984 Ricklefs, Robert E. | Naveh, Z. | Turner, R. E. (Robert Eugene) |
Productivity and conservation in northern circumpolar lands : proceedings of a conference, Edmonton, Alberta, 15-17 October 1969 1970 Fuller, W. A. | Kevan, P. G. |
A. Conservation in land-use planning : soil and water resources especially in mountain regions : wildlife resources and forestry. B. Effects of pollution on natural ecosystems. C. Some aspects of wildlife utilization and management. D. International Bi 1970 Elliott, Hugh F. I. |
Proceedings of a technical meeting on wetland conservation, Ankara, Bursa, Istanbul, 9 to 16 October 1967 1968
Traditional knowledge and renewable resource management in northern regions 1988 Carbyn, Ludwig N. | Freeman, Milton M. R. |