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We conducted a scanning electron microscopic survey of morphological variations in the … calcareous nanoplankton species Emiliania huxleyi in Southern Ocean surface water samples … collected along a transect from 43 to 64° S and 141 to 145° E during November 2001, October to … February 2002/2003…
HPLC-pigment measurements, Production vs Irradiance and daily primary production experiments were carried out on the Kerguelen Plateau during the KEOPS cruise in January and February 2005. The respective contribution of three phytoplankton size classes, namely micro- (> twenty micron)…
: P vs E experiments determining photosynthetic parameters and daily primary production were carried out east of Kerguelen Island during the KEOPS cruise in January and February 2005. The Kerguelen Plateau region is naturally enriched with iron, while deeper waters (>1000m) nearby may not be.
Studies of carbon flux and ecosystem processes require models of the population dynamics … of phytoplankton and other microbial organisms, but with over 500 protistan species known to … inhabit these waters, it is not feasible to model them individually. Instead…
The influence of irradiance and iron (Fe) supply on phytoplankton processes … was investigated, north (47S, 142E) and south (54S, 142E) of the Subantarctic Front in … austral autumn (March 1998). At both sites, resident cells exhibited nutrient stress (F v / … Fm 0.3).
Subantarctic Southern Ocean surface waters in the austral summer and autumn are characterized by high concentrations of nitrate and phosphate but low concentrations of dissolved iron (Fe, ~0.05nM) and silicic acid (Si, <1µM).
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