Ecosystem dynamics in freshwater wetlands and shallow water bodies : vol. 1.
1982
UNEP
The present state of mangrove ecosystems in Southeast Asia and the impact of Pollution - Thailand
1980
Piyakarnchana, Twesukdi |
Primary productivity of grass ecosystems of the tropics and sub-tropics
1992
Lond, Stephen P. |
Johnes, Michael B. |
Roberts, Michael J. |
Lake Balaton : research and management
1988
Misley, Károly |
The Gourma elephants of Mali : a challenge for the integrated management of Sahelian rangeland
1983
Olivier, Robert C. D. |
Integrated rural energy planning
1985
ElMahgary, Yehia |
Biswas, Asit K. |