Shelf seas definitions

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Neuritis zone
areas above the continental shelf drop-off (often around 200m)
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Frustule
plankton skeleton
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Photosynthetically active radiation
light of wavelengths 400-700nm
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Compensation light intensity
light intensity required for rate of photosynthesis to match rate of respiration
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Compensation depth
depth where rate of photosynthesis matches rate of respiration (lower boundary of euphoric zone)
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Critical depth
depth where no photosynthesis occurs
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Holoplankton
permanent plankton
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Meroplankton
temporary plankton
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Langmuir vortices
circulation consisting of a series of shallow, slow, counter-rotating vortices at the ocean's surface aligned with the wind. These circulations are developed when wind blows steadily over the sea surface.
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Diel vertical migration
upwards migration of marine organism (response to light)
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Ecological efficiency
energy transferred between trophic levels
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Other cards in this set

Card 2

Front

plankton skeleton

Back

Frustule

Card 3

Front

light of wavelengths 400-700nm

Back

Preview of the back of card 3

Card 4

Front

light intensity required for rate of photosynthesis to match rate of respiration

Back

Preview of the back of card 4

Card 5

Front

depth where rate of photosynthesis matches rate of respiration (lower boundary of euphoric zone)

Back

Preview of the back of card 5
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