Marine Biology: An Ecological Approach |
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Page 124
... mesopelagic , it is much more difficult to establish any pelagic zones that are universally acceptable . The region between the lower limit of the mesopelagic and the upper limit of the deep trenches ( taken to be 6,000 m ) has been ...
... mesopelagic , it is much more difficult to establish any pelagic zones that are universally acceptable . The region between the lower limit of the mesopelagic and the upper limit of the deep trenches ( taken to be 6,000 m ) has been ...
Page 134
... mesopelagic , is that of color . Mesopelagic fishes in particular tend to be either silvery gray in color or a deep black . They are not countershaded as are epipelagic fishes . The mesopelagic invertebrates , on the other hand , may be ...
... mesopelagic , is that of color . Mesopelagic fishes in particular tend to be either silvery gray in color or a deep black . They are not countershaded as are epipelagic fishes . The mesopelagic invertebrates , on the other hand , may be ...
Page 206
... mesopelagic hatchetfish . Note the lines of black photophores along the ventral portions of the body , the tubular eyes , and the silvery reflecting scales . ( Photo courtesy of Michael Kelly . ) Plate 4 A mesopelagic amphipod ...
... mesopelagic hatchetfish . Note the lines of black photophores along the ventral portions of the body , the tubular eyes , and the silvery reflecting scales . ( Photo courtesy of Michael Kelly . ) Plate 4 A mesopelagic amphipod ...
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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