The limnology of tropical lakes is of great interest and has
become a main field of contemporary limnological research
to overcome the lack of knowledge. Tropical lakes are warm
water lakes situated in the tropical and subtropical parts of
Asia, Africa, Central and South America. The chemical and
physical properties as well as the biological processes of
tropical lakes differ significantly to those of temperate lakes
(LEW~S 1987), due to temperature and thermal stratification,
radiation and primary production, diversity of fauna and
flora and metabolic processes in the water body.