J. J. Symoens

Subjects

Congresses, Climatic changes, Hydrology, Agricultural ecology, Agriculture and state, Alismataceae, Angiosperms, Antiquities, Belgain Economic assistance, Botany, Botany, africa, Cetacea, Climatic geomorphology, Dolphins, Environmental protection, Ethnology, Fish culture, Fish-culture, Food supply, Freshwater ecology, Freshwater plants, Government policy, Indicators (Biology), Integrated agricultural systems, Laterite

Places

Central Africa, Developing countries, Africa, Cameroon, East Africa, Lake Bangweulu, Luapula River Watershed (Zambia and Congo), Tropics, Zambia