18S rDNA 454-pyrosequencing Dinophysis Environmental science, engineering & technology HABs Mantoniella Mesodinium rubrum Micromonas Noctiluca scintillans Taiwan Strait White Sea algae bacteria bacterial and archaea diversity blooms brackish ciliates climate change coastal eutrophic systems cyanobacteria diatoms dinoflagellates high-throughput sequencing light metagenomics microbial food web microeukaryotes mucilaginous aggregates nanoflagellates nutrients