**Author details**

Md Akhter Hossain1 \*, Rajib Mahmud<sup>2</sup> , Nikhil Chakma2 and Mohammed Kamal Hossain1

1 Institute of Forestry and Environmental Sciences Chittagong University, Chittagong, Bangladesh

2 Food and Agriculture Organization of the United Nations, Dhaka, Bangladesh

\*Address all correspondence to: akhter.hossain@cu.ac.bd

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
