ASSESSMENT OF PRIMARY PRODUCTIVITY OF A WETLAND OF NORTH BIHART.N. Mande, Kumud Kumari, K.M.P. SinhaAbstract Primary productivity of Gogabeel wetland were studied during 1995-96. Goabeel is one of the largest freshwater wetland of North Bihar situated in Katihar district. It has been declared as a bird Sanctuary by the Govt. of Bihar. The gross primary productivity of this wetland varied between 56.8 and 200.6 mgcm.3111-1 while net primary productivity was recorded between 51.4 and 180.4 mgcm'hr-1. The range of fluctuation showed that both GPP and NPP values increased during winter and summer months while decreased during monsoon months.
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