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In Vitro Quantification of Nitrogen Fixation and Methane Generation in the Bioturbated Littoral Surface Sediments of Bakkhali Coast, Northeastern Bay of Bengal

Abstract Nitrogen fixation and methane production in surface sediments of a long bioturbated beach at the northeast coast of Bay of Bengal were quantified in vitro through gas chromatography. The beach was selected because it serves as a primary tourist destination and no prior data of it existed. The beach was segmented in littoral zones. Microbial assay was performed for all the sediment samples of the littoral subsection. The influence of the presence and absence of bioturbation on nitrogen fixation and methane production was investigated. One-way ANOVA revealed the statistical significance of the datasets through the rejection of null hypothesis.