QUE SIGNIFIE MARINE SNOW EN ANGLAIS
Neige marine
Dans l'océan profond, la neige marine est une douche continue de détritus essentiellement organiques tombant des couches supérieures de la colonne d'eau. C'est un moyen important d'exporter de l'énergie de la zone photique riche en lumière vers la zone aphotique ci-dessous. Le terme a été inventé par l'explorateur William Beebe comme il l'a observé dans sa bathysphère. Comme l'origine de la neige marine réside dans les activités dans la zone photique productive, la prévalence de la neige marine change avec les fluctuations saisonnières de l'activité photosynthétique et des courants océaniques. La neige marine peut être une source importante de nourriture pour les organismes vivant dans la zone aphotique, en particulier pour les organismes qui vivent très profondément dans la colonne d'eau.
définition de marine snow dans le dictionnaire anglais
La définition de la neige marine dans le dictionnaire est de petites particules de sédiments marins biogéniques organiques, y compris les restes d'organismes, de matières fécales, et les coquilles d'oganismes planctoniques, qui dérivent lentement vers le fond marin.
MOTS EN ANGLAIS EN RAPPORT AVEC «MARINE SNOW»
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «MARINE SNOW»
Découvrez l'usage de
marine snow dans la sélection bibliographique suivante. Des livres en rapport avec
marine snow et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
The living ocean: biology and technology of the
marine ...
Marine Snow Oceanographers coined the name marine snow for the small
floating, drifting, or slowly sinking bits of detritus in the ocean. Marine snow
consists of the soft organic material, fecal pellets, and skeletal remains of dead
plankton ...
2
Oceanography: An Illustrated Guide
Because of the fragility of some types of marine snow, and because of their low
abundance and high sinking rates, traditional water-bottle techniques are usually
of little value. In spite of the inherent difficulties of subaqua diving (limitations of ...
3
Introduction to
Marine Biology
Various marine microbes become attached to particles of organic matter,
particularly strands of mucus secreted by zooplankton, and form translucent
cobwebby aggregates called marine snow (Figure 17-3). Bits of marine snow and
clusters of ...
George Karleskint, Richard Turner, James Small,
2012
4
Origins: The Evolution of Continents, Oceans, and Life
JUST AS SNOW LINES REFLECT the overall height and geographical latitude of
a mountain range, marine snow forms its own "snow line" — a line of carbonate
precipitate on the flanks of marine mountains. The line varies according to ocean
...
5
Handbook of Methods in Aquatic Microbial Ecology
Gentle grinding does not result in cell breakage or significantly reduce
photosynthesis of algae inhabiting marine snow.7 Effects of disruption on
heterotrophic activity have not been determined, but are also probably small. 4.
Thymidine ...
Paul F. Kemp, Jonathan J. Cole, Barry F. Sherr,
1993
6
Video Research in the Learning Sciences
All family members were intrigued with the idea of marine snow; the son and
daughter handled the microscope and the plexiglass display, while the mother
and father looked, gestured, and asked questions of the bilingual mediator in
Spanish.
Ricki Goldman, Roy Pea, Brigid Barron,
2014
7
The Role of
Marine Aggregates in the Ecological Epidemiology ...
marine snow aggregates in the northern Gulf of Mexico. J. Plankton Res. 19:435-
447. Grossart, H. P. & M. Simon. 1993. Limnetic macroscopic organic aggregates
(lake snow): Occurrence, characteristics, and microbial dynamics in Lake ...
Mary-Marguerite Maille (O'Brien). Lyons,
2008
8
Microstructure of Fine-Grained Sediments: From Mud to Shale
(B) Comparison of mean grain size of the deflocculated suspended particles with
the mean grain size of the marine snow observed using the FCA/TAS system.
Water samples were collected at the same time, depth, and station as was the
FCA ...
Richard H. Bennett, William R. Bryant, Matthew H. Hulbert,
1991
9
Marine Ecology: Processes, Systems, and Impacts
Marine snow particles, flakes, or accumulations of organic matter (Fig. 3.9), are a
major vehicle for transporting organic matter from the ocean surface to depths
and the seafloor. A marine snow particle is colonized by bacteria that produce ...
10
Fractals and Multifractals in Ecology and Aquatic Science
3.2.7.4.2.2 On the Fractal Structure of Marine Snow Aggregates The interior of
deep lakes and oceans is far from the pristine vision of an idyllic deep blue sea
that may intuitively come into mind (Figure 3.27A). Instead, it is often
characterized ...
10 ACTUALITÉS CONTENANT LE TERME «MARINE SNOW»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
marine snow est employé dans le contexte des actualités suivantes.
BP Oil Spill 5 Years Later: 10 Key Questions And Answers
Further laboratory experiments linked the increased marine snow formation with microbial activity surrounding the oil droplets and noted ... «Science 2.0, juil 15»
Marine geologist plumbs the depths of seabed landslides
“Normally sedimentation in the ocean is really slow, the dead shells and dead animals 'rain' out of seawater, this is called 'marine snow', they ... «Siliconrepublic.com, juil 15»
Oil Spill Research Makes Great Strides with Gulf of Mexico …
Consequently, marine snow is an important source of organic matter onto and in the seafloor environment in the deep ocean. Observations and ... «Desert Dispatch, juil 15»
Perfect storm
... energetically dependent on organically rich particles, which are produced in surface waters before sinking to the sea floor as 'marine snow'. «Nature.com, juin 15»
UCSB Prof Predicted Where Refugio Oil Would Spread
Uta Passow, a research oceanographer at MSI, has been studying the potential for marine snow formation and sinking. • Craig Carlson, a ... «Santa Barbara Independent, juin 15»
Vampire squids hint at long lives
Naturally buoyant and residing in the deep sea, vampire squids float along lazily and catch “marine snow” — the particles of dead creatures ... «Tribune-Review, juin 15»
Five years later, Deepwater Horizon research continues but …
... of the oil with microbes and particulates that bind to the oil and carry it to the sea floor as they sink, commonly referred to at "marine snow". «Phys.Org, juin 15»
Expert Response
Uta Passow, a research oceanographer at MSI, has been studying the potential for marine snow formation and sinking. • Craig Carlson, a ... «The UCSB Current, mai 15»
New project to reveal the secrets of the ocean's twilight zone
This sediment is often referred to as 'marine snow' because that is what it looks like as it falls down through the ocean. The COMICS project will ... «Phys.Org, mai 15»
Poop Eating Vampire Squids Aren't Actually Squids at All
Vampire squid scoop up sinking ocean gunk, known as marine snow, with their thin yellow tentacles, and then suck it off these appendages ... «Smithsonian, mai 15»