Marine Biology: An Ecological Approach |
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Page 10
... ocean water masses . GEOGRAPHY AND GEOMORPHOLOGY OF THE OCEANS Whereas all the major oceans are connected to each other , the world ocean has been separated for convenience into four major divisions , Pacific , Atlantic , Indian , and ...
... ocean water masses . GEOGRAPHY AND GEOMORPHOLOGY OF THE OCEANS Whereas all the major oceans are connected to each other , the world ocean has been separated for convenience into four major divisions , Pacific , Atlantic , Indian , and ...
Page 32
... OCEAN Beginning with the waters of the open ocean , there are subdivisions that can be made in both the vertical and horizontal directions . The entire area of the open water is termed the pelagic realm ; pelagic organisms are those ...
... OCEAN Beginning with the waters of the open ocean , there are subdivisions that can be made in both the vertical and horizontal directions . The entire area of the open water is termed the pelagic realm ; pelagic organisms are those ...
Page 57
... ocean where light intensity is sufficient for photosynthe- sis to occur . The depth to which light will penetrate into the ocean , and hence , the depth at which production can occur , is dependent upon a number of factors ; these ...
... ocean where light intensity is sufficient for photosynthe- sis to occur . The depth to which light will penetrate into the ocean , and hence , the depth at which production can occur , is dependent upon a number of factors ; these ...
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abundant adaptations algae algal amount amphipods anemones areas Atlantic bacteria barnacles benthic biology body bottom burrow carnivores changes Cnidaria communities competition copepods coral reef crabs crustaceans deep sea density deposit feeders depth desiccation detritus diatoms dinoflagellates dominant ecology ecosystems eggs epipelagic estuary fauna feeding Figure fishes fresh water grazing hence herbivores increased invertebrates kelp kelp beds large numbers larvae layers levels light living low tide major marine mammals marsh mesopelagic migrate mollusks Mytilus nekton number of species numbers nutrients occur ocean oxygen Pacific coast particles patterns pelagic percent Photo courtesy photophores photosynthesis physical factors phytoplankton plankton plants Plate polychaete population predators primary productivity reduced result rocky shores salinity salt sand beaches sea grass sea urchins sea water sediment shallow water squids substrate surface waters suspension feeders temperate temperature terrestrial thermocline tropical tuna upper various vertical water column water mass wave action whales zonation zone zooplankton zooxanthellae