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Bangladesh is blessed with Hills situated in the northern and eastern parts which occupy about 12 per cent of its territory. These sloping lands are of great importance for their contribution to ecology and food security. These lands deserve much attention regarding their management for sustainable use. The physical and chemical properties of soils of such an area are investigated and documented which would enable their scientific use and sustainable management. This information will be of great interest for academicians, researchers, agricultural extension workers, foresters, and the more...

The bionomical study is important for the successful management and conservation of a natural population. The research carried out the significant relationship among different body length parameters and seasonal growth curves to asses the growth variation of the population of Notopterus notopterus. The species showed female dominating distribution including homogeneity in yearly distribution. The condition factors showed variation in growth patterns indicating gradual development of gonad in relation to the sexual cycle. The fish is carnivore and feeds on a large variety of food...