We present data on pigment diversity and photoacclimation
of picophytoplankton on a diel time scale,
investigated at a fixed station in the Strait of Sicily,
during a 51 h sampling period in summer. The aim of
the study was to investigate and compare the effects of
vertical and diel variability upon phytoplankton ecophysiological
properties, focusing on picophytoplankton
(especially picoeukaryotes) responses to variable
irradiance. The responses to light variations were
analysed by considering both variations with depth
and with time during 2 natural day–night cycles in
terms of community composition and photophysiology.
The study site, the Strait of Sicily, is an important
location in the Mediterranean Sea, as it governs the
exchanges between the eastern and western basins
and is characterized by active mesoscale dynamics
(Lermusiaux & Robinson 2001), which strongly influence
the ecology of phytoplankton communities.
We present data on pigment diversity and photoacclimationof picophytoplankton on a diel time scale,investigated at a fixed station in the Strait of Sicily,during a 51 h sampling period in summer. The aim ofthe study was to investigate and compare the effects ofvertical and diel variability upon phytoplankton ecophysiologicalproperties, focusing on picophytoplankton(especially picoeukaryotes) responses to variableirradiance. The responses to light variations wereanalysed by considering both variations with depthand with time during 2 natural day–night cycles interms of community composition and photophysiology.The study site, the Strait of Sicily, is an importantlocation in the Mediterranean Sea, as it governs theexchanges between the eastern and western basinsand is characterized by active mesoscale dynamics(Lermusiaux & Robinson 2001), which strongly influencethe ecology of phytoplankton communities.
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