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Original Articles

Autotrophic picoplankton assemblages in subtropical reservoir: temporal and vertical dynamics in abundance and biomass

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Pages 17-28 | Received 21 Apr 2016, Accepted 20 Jul 2016, Published online: 14 Oct 2016

Figures & data

Figure 1. Cytograms by flow cytometry analysis of samples from the surface water: (A) chlorophyll (FL3) vs. side scatter (SSC) and (B) chlorophyll (FL3) vs. phycoerythrin (FL2) fluorescence.

Figure 1. Cytograms by flow cytometry analysis of samples from the surface water: (A) chlorophyll (FL3) vs. side scatter (SSC) and (B) chlorophyll (FL3) vs. phycoerythrin (FL2) fluorescence.

Figure 2. Seasonal and vertical distribution of chlorophyll-a concentrations (µg/L) for the picoplankton fraction in the Cerrillos Reservoir.

Figure 2. Seasonal and vertical distribution of chlorophyll-a concentrations (µg/L) for the picoplankton fraction in the Cerrillos Reservoir.

Figure 3. (A) Total chlorophyll-a (0.7 µm fraction) and >2 µm fraction of phytoplankton in the surface water of Cerrillos Reservoir. (B) Autotrophic picoplankton (APP) chlorophyll-a concentrations (<2 µm fraction) and their relative contributions to total chlorophyll-a in the surface water of Cerrillos Reservoir. Bars represent standard error.

Figure 3. (A) Total chlorophyll-a (0.7 µm fraction) and >2 µm fraction of phytoplankton in the surface water of Cerrillos Reservoir. (B) Autotrophic picoplankton (APP) chlorophyll-a concentrations (<2 µm fraction) and their relative contributions to total chlorophyll-a in the surface water of Cerrillos Reservoir. Bars represent standard error.

Figure 4. Seasonal and vertical distributions of picocyanobacteria (cells/mL) in the Cerrillos Reservoir.

Figure 4. Seasonal and vertical distributions of picocyanobacteria (cells/mL) in the Cerrillos Reservoir.

Figure 5. Vertical profiles of temperature (C), picocyanobacteria (Pcy, cells/mL) and picoeukaryotes (Peuk, cells/mL) during: (A) mixing (February) and (B) stratification (September) in Cerrillos Reservoir. Bars represent standard error.

Figure 5. Vertical profiles of temperature (C), picocyanobacteria (Pcy, cells/mL) and picoeukaryotes (Peuk, cells/mL) during: (A) mixing (February) and (B) stratification (September) in Cerrillos Reservoir. Bars represent standard error.

Figure 6. Seasonal and vertical distributions of picoeukaryotes (cells/mL) in the Cerrillos Reservoir.

Figure 6. Seasonal and vertical distributions of picoeukaryotes (cells/mL) in the Cerrillos Reservoir.