picoplankton


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Related to picoplankton: microplankton, nanoplankton

picoplankton

(pē′kə-plăngk′tən)
n.
Plankton composed of organisms, chiefly bacteria and small phytoplankton, measuring from 0.2 to 2 micrometers.
References in periodicals archive ?
modeled the contribution of smaller particles to the mussel diet, and, for the first time, showed that picoplankton could be a significant proportion of the total net intake and contribute 13%-28% of the energy needed for tissue and shell growth in mussels.
In this study, with a marine picoplankton assemblage collected at eastern North Pacific, a 38.5 kbp fragment containing an archaeal 16S rRNA gene was isolated for the first time.
Introduction of single cell analysis by flow cytometry and pigment analysis by HPLC enabled easy quantification of small-size phytoplankton (picoplankton, <2 [micro]m), which are dominant in the less productive offshore waters (Li et al., 1993; Partensky et al., 1993), such as subtropical ocean gyres and the Mediterranean (Li et al.1993; Bell & Kalff 2001; Uysal, 2006).
A five-year study of autotrophic winter picoplankton in Lake Balaton, Hungary.
Pigment information was used to calculate phytoplankton size fractions (micro, nano, and picoplankton) according to Uitz et al.
Oxygenic prokaryotic photoautotrophs (Cyanobacteria) were estimated to constitute about 10% of the total ocean marine picoplankton in the upper 200 m [1].
Picoplankton abundances in the western tropical Pacific Ocean during the 1992 El Nino year: results from flow cytometry.
This year's 31 articles include discussion of eukaryotic picoplankton in surface oceans, prospects for the future using genomics and proteomics in clinical microbiology, how viruses and toxins disassemble to enter host cells, gene regulation in Borrelia burgdorferi, and what has been learned from synthetic poliovirus and other designer viruses.
A SeaBird autofire rosette was used to collect water for analyses of chlorophyll a, nutrient concentrations, and photosynthetic picoplankton abundances.
The application of the organic paleothermometer [TEX.sub.86] (based on the distribution of species of membrane lipids of the marine picoplankton Crenarchaeota; Schouten et al.