Ratargul Swamp Forest is the only swamp forest located in Bangladesh and one of the few freshwater swamp forests in the world. In the previous article, it’s Geography, Ecosystem & Diversity had been discussed. In this one, some of the variegated and beneficial trees of Ratargul  will be discussed in …

Ratargul Swamp Forest is a freshwater swamp forest located in Gowain River, Fatehpur Union, Gowainghat, Sylhet, Bangladesh. It is the only swamp forest located in Bangladesh and one of the few freshwater swamp forests in the world. The forest is naturally conserved under the Department of Forestry, Government of Bangladesh. …

Methods of Calculation of Quantitative Data   Quantitative data for individual species is calculated by the following methods: 1) Frequency = Number of sampling units in which the species occurred/Total number of sampling units studied Relative frequency = Frequency of a sp./Total frequency of all spp. X 100 2) Density …

Vegetation: Definition Vegetation is defined as an assemblage of plants growing together in a particular location. It is characterized either by its component species or by the combination of structure and functional characters that characterize the appearance or physiognomy of vegetation. Vegetation rapidly responds to changes in habitat. If the …

Definition Ecological succession is a process where one plant community changes into another plant community. It involves the immigration and extinction of species coupled with changes in the relative abundance of different plants. Succession occurs because, for each species, the probability of establishment changes through time as both the abiotic …

Ecology The word ecology originated from two Greek words; Oikos meaning ‘household’, ‘home’, or ‘place to live’ and ‘logos’ meaning knowledge. Therefore, ecology deals with the organism and its place to live. The word ‘ecology’ was first used in the 2nd half of the 19th century by Henry David Thoreau …