Marine Biology: An Ecological Approach |
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Page 6
... salinity of various parts of the open ocean away from coastal areas varies within a narrow range , usually from 34 to 37 % , and averages 35 % . The differences in salinity are due to differences in evaporation and precipitation ...
... salinity of various parts of the open ocean away from coastal areas varies within a narrow range , usually from 34 to 37 % , and averages 35 % . The differences in salinity are due to differences in evaporation and precipitation ...
Page 278
... salinity regime that changes with each tide ( Fig . 8-3 ) . This is the area of an estuary having maximum salinity fluctuation . The time scale of these salinity fluctuations is such that the salinity range over a 6-12 hour period ...
... salinity regime that changes with each tide ( Fig . 8-3 ) . This is the area of an estuary having maximum salinity fluctuation . The time scale of these salinity fluctuations is such that the salinity range over a 6-12 hour period ...
Page 292
... Salinity ( % ) Figure 8-10 Graph showing the change in salinity of the blood of the crab Australoplax tridentata with change in the salinity of the external medium . ( Modified from D. McLusky , 1971 , Ecology of estuaries , Heinemann ...
... Salinity ( % ) Figure 8-10 Graph showing the change in salinity of the blood of the crab Australoplax tridentata with change in the salinity of the external medium . ( Modified from D. McLusky , 1971 , Ecology of estuaries , Heinemann ...
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Common terms and phrases
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