Fig. 2From: Detection of planktonic coenzyme factor 430 in a freshwater lake: small-scale analysis for probing archaeal methanogenesisPhotographs of the sampling site and samples in June 2019. a Sampling site in the present study. The pier extends ~ 40 m from the lakeshore and attains a depth of ~ 1.8 m. b, c Floating cyanobacteria near the sampling site. d Planktonic cyanobacterial sample collected in a polypropylene bottle. e Sediment core collection with a gravity core samplerBack to article page