Marine Biology: An Ecological Approach |
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Page 57
... light and nutrient concentration , are of significance in limiting productivity in the ocean . Since , however , the phytoplankton are suspended in water and therefore affected by forces that act to move water around , and because both ...
... light and nutrient concentration , are of significance in limiting productivity in the ocean . Since , however , the phytoplankton are suspended in water and therefore affected by forces that act to move water around , and because both ...
Page 59
... light and either absorb it or reflect it back to the surface . This light is unavailable for use and further reduces available light . Secondly , water itself absorbs light , making it unavailable for the plants . The amount absorbed is ...
... light and either absorb it or reflect it back to the surface . This light is unavailable for use and further reduces available light . Secondly , water itself absorbs light , making it unavailable for the plants . The amount absorbed is ...
Page 60
... light penetration are due primarily to particle concentration . Where there are large numbers of particles in the water , such as in coastal waters , the depth of light penetration may be severely reduced and the amount of light ...
... light penetration are due primarily to particle concentration . Where there are large numbers of particles in the water , such as in coastal waters , the depth of light penetration may be severely reduced and the amount of light ...
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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