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- Armoured (en)
- On the Kerguelen Plateau in summer, high iron levels lead to high chlorophyll a as a proxy for algae biomass at the surface. The diverse zooplankton community feeds on the sinking particle flux and acts as a gate-keeper to the deeper ocean by ingesting and fragmenting sinking particles and, consequently, significantly reducing the export flux out of the epipelagic. The main export particles are diatom resting spores, which bypass the intense grazing pressure, followed by fecal pellets. (en)
- ...and defensive spines (en)
- ...can have more than one nucleus (en)
- In Southern Ocean waters in summer, iron levels are relatively low and support a more diverse phytoplankton community, but with lower biomass, which, in turn, affects zooplankton community composition and biomass. The grazing pressure during summer is focused mostly on picoplankton, which leaves large particles for export. (en)
- Testate amoeba, Cyphoderia sp. (en)
- Unarmoured (en)
- White Phaeocystis algal foam washing up on a beach (en)
- Acantharian radiolarian hosts Phaeocystis symbionts (en)
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