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 The Pelagic                 Environment






Marine Life


Basic Info




Food Chain










                                                                                                                                                                                                Pelagic Life:

                                                                                                                                                Phytoplankton, Zooplankton, Nekton


                                                                    The entire ocean water column


                                                                                                                                         Largest volume, 1,370,000,000 cubic  

                                                                                                                                         kilometres (330,000,000 cubic miles)


                                                                                                                                         Greatest vertical range, 11,000 meters  

                                                                                                                                         (36,000 feet)


                                                                                                                                         Constantly changing with tides, currents and  

                                                                                                                                         water temperature:

                                                pelagic features

                                    Upwelling      - Seasonal

                                    Eddies            - Days to months

                                    Fronts             - Seasonal

                                                Currents        - Constant