Marine Biology: An Ecological Approach |
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Page 75
... migration of zooplankton . Vertical migration is the name given to the daily migration of certain zooplankton organisms down into the depths during daylight hours and up into the surface waters at night . It is entirely separate from ...
... migration of zooplankton . Vertical migration is the name given to the daily migration of certain zooplankton organisms down into the depths during daylight hours and up into the surface waters at night . It is entirely separate from ...
Page 77
... migration , suggested by Hardy ( 1953 ) , is that it allows the weakly swimming zooplankton to effectively change their horizontal position . In order to understand how this is possible , it is necessary to return to the previously ...
... migration , suggested by Hardy ( 1953 ) , is that it allows the weakly swimming zooplankton to effectively change their horizontal position . In order to understand how this is possible , it is necessary to return to the previously ...
Page 106
... MIGRATIONS As we noted in the previous section , many marine mammals , birds , and reptiles undertake extensive migrations for breeding purposes . This migration for breeding is a common characteristic of air - breathing marine ...
... MIGRATIONS As we noted in the previous section , many marine mammals , birds , and reptiles undertake extensive migrations for breeding purposes . This migration for breeding is a common characteristic of air - breathing marine ...
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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