Marine Biology: An Ecological Approach |
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Page 173
... substrate in which they live . The tubes have the ability to stabilize the substrate . They also extend down into the substrate . By stabilizing the substrate , they prevent resuspension of fine particles and allow the presence of ...
... substrate in which they live . The tubes have the ability to stabilize the substrate . They also extend down into the substrate . By stabilizing the substrate , they prevent resuspension of fine particles and allow the presence of ...
Page 238
... substrate . In order to inhabit this area , organisms must first be adapted to tolerate these features . There are two routes that may be taken by organisms in adapting . The first is to burrow deeply enough into the substrate such that ...
... substrate . In order to inhabit this area , organisms must first be adapted to tolerate these features . There are two routes that may be taken by organisms in adapting . The first is to burrow deeply enough into the substrate such that ...
Page 245
... substrate . This long retention time for water , coupled with a very poor interchange of the interstitial water with ... substrate or else inhabit permanent tubes in the substrate . In contrast to sand beaches , however , the presence of ...
... substrate . This long retention time for water , coupled with a very poor interchange of the interstitial water with ... substrate or else inhabit permanent tubes in the substrate . In contrast to sand beaches , however , the presence of ...
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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