Marine snow is a shower of organic material falling from upper waters to the deep ocean.[1]
In the deep ocean, marine snow (also known as "ocean dandruff") is a continuous shower of mostly organic detritus falling from the upper layers of the water column. It is a significant means of exporting energy from the light-rich photic zone to the aphotic zone below, which is referred to as the biological pump. Export production is the amount of organic matter produced in the ocean by primary production that is not recycled (remineralised) before it sinks into the aphotic zone. Because of the role of export production in the ocean's biological pump, it is typically measured in units of carbon (e.g. mg C m−2 d−1). The term was coined by explorer William Beebe as observed from his bathysphere. As the origin of marine snow lies in activities within the productive photic zone, the prevalence of marine snow changes with seasonal fluctuations in photosynthetic activity and ocean currents. Marine snow can be an important food source for organisms living in the aphotic zone, particularly for organisms that live very deep in the water column.
^What is marine snow? NOAA National Ocean Service. Updated:06/25/18.
In the deep ocean, marinesnow (also known as "ocean dandruff") is a continuous shower of mostly organic detritus falling from the upper layers of the...
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filtration, with a number of organisms surviving by feeding on marinesnow. Marinesnow is organic material that has fallen from upper waters into the...
currents to different marine habitats from land runoff, or by upwellings from the deep sea, or they sink through the sea as marinesnow salinity – varies...
ocean-water, the energy source for the benthic ecosystem is often marinesnow. Marinesnow is organic matter from higher up in the water column that drifts...
zooplankton and their consumers into fecal pellets, organic aggregates ("marinesnow") and other forms, which are thereafter exported to the mesopelagic (200–1000...
water; when this floor is a seabed, such a deposition is denominated "marinesnow". The corpses of dead plants or animals, material derived from animal...
epipelagic and mesopelagic zones. This organic material, sometimes called marinesnow, sinks in the water column or is transported within downward convected...
like marinesnow and mineral sediments. Chlorophyll can be measured by satellite observations and serves as a proxy for ocean productivity (marine primary...
Eurypharynx pelecanoides larva, categorized as a type of leptocephali, feed on marinesnow. Organisms, such as thraustochytrids and hydrozoan tissue, were consumed...
suspended in water and slowly piling up on the floor of water bodies (marinesnow). Sedimentation may also occur as dissolved minerals precipitate from...
silicon, are brought to the lower ocean through a process called marinesnow. Marinesnow involves the downward transfer of particulate organic matter by...
young woman with an activity-restricting ailment. The title refers to marinesnow, which the two promise to see together one day. The series comprises...
organisms rely heavily on marinesnow as an energy source. Some deep-sea pelagic groups, such as the lanternfish, ridgehead, marine hatchetfish, and lightfish...
Permanent: (A) Permanent shallow marine waters: Less than 6m deep at low tide; including sea bays and straits (B) Marine subtidal aquatic beds: Underwater...
microscopic marine life created a "blizzard" of marinesnow. Scientists worry that the mass of marine mucilage could pose a biohazard to surviving marine life...
euphotic zone is processed by marine microorganisms (microbes), zooplankton and their consumers into organic aggregates (marinesnow), which is then exported...
viscosity. One foraging strategy involves chemical detection of sinking marinesnow aggregates and taking advantage of nearby low-pressure gradients to swim...
In ocean environments, this downward drift of detritus is known as marinesnow. Bottom feeders may gather detritus manually, as some crab species do;...
and on their environment. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems. Freshwater ecosystems may be lentic...
first link in the hadal food web are heterotroph organisms that feed on marinesnow, both fine particles and the occasional carcass. The hadal zone can reach...
(marinesnow) disappear, they are replaced with the polyp stages of jellyfish and other small errant benthic animals. Storms resuspend the marinesnow...
leptocephali. Eel larvae drift in the sea's surface waters, feeding on marinesnow, small particles that float in the water. Eel larvae then metamorphose...
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organisms. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms...
Most animals survive on detritus known as "marinesnow" falling from the zones above or, like the marine hatchetfish, by preying on other inhabitants...
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