mass_concentration_of_calcareous_phytoplankton_expressed_as_chlorophyll_in_sea_water
Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". The phrase "expressed_as" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A. Chlorophylls are the green pigments found in most plants, algae and cyanobacteria; their presence is essential for photosynthesis to take place. There are several different forms of chlorophyll that occur naturally. All contain a chlorin ring (chemical formula C20H16N4) which gives the green pigment and a side chain whose structure varies. The naturally occurring forms of chlorophyll contain between 35 and 55 carbon atoms. "Calcareous phytoplankton" are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis.
List containing this term version:
CF (62)
CF (63)
CF (64)
CF (65)
CF (66)
CF (67)
CF (68)
CF (69)
CF (70)
CF (71)
CF (72)
CF (73)
CF (74)
CF (75)
CF (76)
CF (77)
CF (78)
CF (79)
CF (80)
CF (81)
CF (82)
CF (83)
CF (84)
CF (85)
CF (86)
Proposls with this term version:
Proposal: Alison Pamment []
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