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Chlorophyll α is the core photosynthetic pigment that all phytoplankton possess. Concentrations of this pigment, which can be measured remotely, is used as a proxy for phytoplankton biomass in a given location general, the more chlorophyll a, the more phytoplankton biomass, although the CHL a to C ratio May vary between species, and even within the species.
Phytoplankton obtain their energy through photosynthesis, as trees and other plants do on land. This means phytoplankton must have light from the sun, so they live in the well-lit surface layers (euphotic zone) of oceans and lakes. In comparison with terrestrial plants, phytoplankton are distributed over a larger surface area, are exposed to ...
Nitrate (NO − 3) and ammonium (NH + 4), both inorganic form of nitrogen, are most often taken up by phytoplankton and are necessary for growth and metabolic processes. [3] P. fusiformis is known to metabolize both nitrate and ammonium at relatively equal rates during both the day and the night, and is able to take in nitrate at depths of 120m ...
It allows researchers to analyse plankton both quantitatively (cell density, cell colony or biomass) and qualitatively (e.g. Chlorophyll-a as a primary production of phytoplankton) in water samples from the environment. A simple plankton net Cod end—an outlet valve with collecting cylinder Aquatic scientist casting a plankton net in Brown's ...
Marine protists are defined by their habitat as protists that live in marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. Life originated as marine single-celled prokaryotes (bacteria and archaea) and later evolved into more complex eukaryotes. Eukaryotes are the more developed life forms ...
It is a widespread marine phytoplankton and can function at a wide range of temperatures (eurythermal) and salinities . [2] Members of this genus live in the open ocean, as well as in sea ice. [3] It has a polymorphic life cycle, ranging from free-living cells to large colonies. [2]