Marine Biology: An Ecological Approach |
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Page 12
... temperate ( Fig . 1-7 ) . Transition zones between these areas also exist and boundaries may vary somewhat with ... Temperate 40 Temperate 30 20 10 0 Tropical 10 20 30 40 Temperate 50 60 Polar 70 70 100 120 140 160 180 160 140 120 100 80 ...
... temperate ( Fig . 1-7 ) . Transition zones between these areas also exist and boundaries may vary somewhat with ... Temperate 40 Temperate 30 20 10 0 Tropical 10 20 30 40 Temperate 50 60 Polar 70 70 100 120 140 160 180 160 140 120 100 80 ...
Page 64
... temperate ocean water masses in two seasons , winter and summer , showing the relationships between nutrient concentration , temperature , density , and wind - induced mixing . in temperate seas only in the winter . The great ...
... temperate ocean water masses in two seasons , winter and summer , showing the relationships between nutrient concentration , temperature , density , and wind - induced mixing . in temperate seas only in the winter . The great ...
Page 70
... ( temperate inshore ) Continental shelf Tropical oceans Temperate oceans Antarctic oceans Arctic ocean After Raymont , 1966 . Productivity in g C / m2 / year 380 100-160 18-50 70-120 100 < 1 production is limited to the upper 5-10 m ...
... ( temperate inshore ) Continental shelf Tropical oceans Temperate oceans Antarctic oceans Arctic ocean After Raymont , 1966 . Productivity in g C / m2 / year 380 100-160 18-50 70-120 100 < 1 production is limited to the upper 5-10 m ...
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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