Introduction: The fishermen of Beel are adapting with different types of trap for fishing purposes. Based on types and structure the traps are mainly of two types, closed trap and open trap. In maximum cases, the closed traps are simply
Chalan Beel
Chalan beel is the largest and important wetland in the north west region of Bangladesh. The area of this beel is 375 sq. km. at during flood period from July to November and 52-78 sq. km. at dry winter and