Continuous monitoring of chlorophyll α and photosynthesis by natural fluorescence method in a coastal aquaculture ground

概要

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In order to evaluate the carrying capacity of Otsuchi Bay, Iwate Prefecture, Japan, natural fluorescence method was examined for continuous monitoring of chlorophyll a and primary production. Light-absorption coefficient of phytoplankton (aph) and the quantum yield ratio of photosynthesis to fluorescence (Φc/Φf) needed for estimation of primary production from natural fluorescence were obtained from the water sample. Variation in aPh' was significantly correlated with chlorophyll a. Quantum yield ratio (Φc/Φf) showed significant correlation with photosynthetically available radiation (E_??_PAR) and chlorophyll a. Chlorophyll a and primary production estimated from natural fluorescence by moored sensors were in good agreement with those obtained by water sampling.
社団法人日本水産学会の論文