“…The landscapes of the Chattogram region of Bangladesh, categorized by hills, hillocks, flatlands, wetlands, canals, rivers and the Bay of Bengal, etc. reflect a rich ecological heritage of giant animals, insects, birds, fishes, angiosperms, gymnosperms, climbers, vines and plants with medicinal and aesthetic values (Dutta and Hossain, 2020;Hossain, 2001).…”