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11 refs 9 refs abundance activity adult algae algal amino acids amphipod animals aquatic bacteria benthic Biol biology biomass Canada carotenoid carp cells characteristics chlorophyll chloroplasts coast collected cone copepods Crustacea culture Decapoda decreased Dep.Biol Dep.Zool described and figured diatoms discussed distribution ecology effect eggs electron enzyme Euglena fauna feeding fish fishery France French freshwater gastropod genera genus groups growth increased India indicate inhibition Inst investigated isolated Japan Lake larvae light lipids marine mature membrane method microtubules molluscs morphological muscle observed occurred oocytes organic Osteichthyes parasites Physiol phytoplankton pigment plankton polychaete ponds population present production protein pyrenoid salinity salmon samples seasonal showed shrimp sp.n spawning species specimens stages structure studied suggested surface temp tion tissue trout Univ USSR vesicles yr class Zool zooplankton