The inland waters of tropical West Africa. An introduction and botanical review

african inland waters aguas interiores algae aquatic plants aquatic weeds cours d'eau cursos de agua eaux continentales eaux continentales africaines embalses floodplains freshwater ecology inland waters lac lagos lakes limnologia limnologie limnology llanura aluvial mauvaise herbe aquatique plaine d'inondation plancton plankton plante aquatique productividad productivity rivers water reservoirs