Marine Biology: An Ecological Approach |
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Page 66
... occur . We say that such waters are thermally stratified . This thermal stratification extends through- out the year ( Fig . 2-19 ) . In the tropical seas , the sun , and hence light conditions , are optimal for high productivity , but ...
... occur . We say that such waters are thermally stratified . This thermal stratification extends through- out the year ( Fig . 2-19 ) . In the tropical seas , the sun , and hence light conditions , are optimal for high productivity , but ...
Page 208
... occur higher in the tidal zone and the smaller ones lower . Yet another mechanism to reduce heat gain is to reduce the area of body tissue in contact with the substrate . This is , however , difficult to achieve for most intertidal ...
... occur higher in the tidal zone and the smaller ones lower . Yet another mechanism to reduce heat gain is to reduce the area of body tissue in contact with the substrate . This is , however , difficult to achieve for most intertidal ...
Page 359
... occur , it is of use to discuss briefly the various groups in which this association is prevalent . Beginning with Protozoa , symbiotic relationships are found in all of the epipelagic planktonic Radiolaria where the zooxanthellae occur ...
... occur , it is of use to discuss briefly the various groups in which this association is prevalent . Beginning with Protozoa , symbiotic relationships are found in all of the epipelagic planktonic Radiolaria where the zooxanthellae occur ...
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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