It is generally considered that benthic organisms are good indicator of environmental condition of aquatic ecosystem. Present study focused on seasonal distribution of macrobenthic fauna and physico-chemical parameters of Hooghly-Bhagirathi river (part of Ganga river) during one year from June 2016 to May 2017. | Nội dung Text Ecological assessment of Hooghly - Bhagirathi river system through the study of diversity of bivalves and gastropods in relation to physico-chemical parameters