Padma Multipurpose Bridge Project

zones described by Nishat, et al. (2002) can be recognized as the major ecosystems of the country(Figure 3-20).3.2.1.2 Species diversity43. Bangladesh possesses rich species diversity particularly for angiosperm and avi-fauna, out oftotal 3,454 species of angiosperm, about 2,466 species under 155 families belong to dicotyledons andabout 988 species under 41 families to monocotyledons. There is no recent comprehensive studydata available hence the above figures may have been changed. Although endemism is relatively lowfor the country, the studies suggested that there are at least 16 endemic species of flowering plants inthe country.Figure 3-20: Bio-ecological zones of the country3-24