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Losses of
Phytoplankton
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Perennation
is the formation of resting stages to survive unfavorable environmental
conditions
-
Natural
mortality: long time not considered, but can
be substantial
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Parasitism
and viruses:
can cause mass mortality of phytoplankton
-
Sedimentation:
sinking of dead or unhealthy phytoplankton towards the bottom; major carbon
nutrition for benthic animals, particularly in the deep sea; sedimentation
rates highly size-dependent and variable over time/season
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