File:Différence de répartition du macroplancton entre le jour et la nuit.PNG

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English: This diagram depicts the difference of distribution of macro-plankton in the ocean between the day and the night. On this diagram, we can see that macro-plankton takes refuge in the deep during the day (between 200m and 400m), because of the attacks of surface predators. During the night, macro-plankton goes up to the surface (between 0 and 100m) in order to feed about plankton. This diagram drew his inspiration from two articles : Pakhomov, E. A., Perissinotto, R., McQuaid, C. D., Comparative structure of the macro-zooplankton / micronekton communities of the Subtropical and Antarctic Polar Fronts. Marine Ecology Progress Series, 111, 155-169, 1994. Perissinotto, R., McQuaid, C.D., Land-based predator impact on vertically migrating zooplankton and micronekton advected to a Southern Ocean archipelago. Marine Ecology Progress Series, 80, 15-27, 1992. Macro-plankton has been symbolized by the shapes of lanternfishs (myctophidae) and pelagic shrimps. Plankton has been symbolized by green dots. The area, demarcated by two horizontal red lines, corresponds to the depth where the majority of the dives of the females of the subantarctic fur seals used to happen. This diagram has been made under Open Office Calc software, the shapes of lantern fishes, pelagic shrimps and stars has been drawn under Gimp software.
Français : Ce schéma représente la différence de répartition du macro-plancton dans la colonne d'eau entre le jour et la nuit. Sur cette figure, on peut voir que le macro-plancton se réfugie à une profondeur comprise entre 200 et 400m pendant le jour, de façon à fuir les prédateurs. La nuit, le macro-plancton se rapproche de la surface (entre 0 et 100m) pour se nourrir du plancton. Cette figure est inspirée des deux articles suivant : Pakhomov, E. A., Perissinotto, R., McQuaid, C. D., Comparative structure of the macro-zooplankton / micronekton communities of the Subtropical and Antarctic Polar Fronts. Marine Ecology Progress Series, 111, 155-169, 1994. Perissinotto, R., McQuaid, C.D., Land-based predator impact on vertically migrating zooplankton and micronekton advected to a Southern Ocean archipelago. Marine Ecology Progress Series, 80, 15-27, 1992. La présence du macro-plancton est symbolisée par les silhouettes de poissons lanternes (ou myctophides) et de crevettes pélagiques. La présence du plancton est symbolisée par des points verts. La partie délimitée par les deux lignes horizontales rouges correspond à la profondeur où ont lieu la majorité des plongés chez les femelles de l'otarie subantarctique (Arctocephalus tropicalis). Le schéma a été réalisé sous Open Office Calc, les silhouettes de poissons lanternes, des crevettes pélagiques, et celles des astres ont été réalisées à l'aide du logiciel de retouche d'image Gimp.
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Author Nicolas Servera (otarie_san@yahoo.fr)

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current23:45, 4 June 2009Thumbnail for version as of 23:45, 4 June 20091,360 × 828 (62 KB)Otarie san (talk | contribs){{Information |Description={{en|1=This diagram depicts the difference of distribution of macro-plankton in the ocean between the day and the night. On this diagram, we can see that macro-plankton takes refuge in the deep during the day (between 200m and 4

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