Marine Biology: An Ecological Approach |
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Page 25
... species constituting each differ among geographical areas and , in some areas , each level may have more or fewer ... number of species that are rare . The abundant species are usually called dominants and are often used to characterize ...
... species constituting each differ among geographical areas and , in some areas , each level may have more or fewer ... number of species that are rare . The abundant species are usually called dominants and are often used to characterize ...
Page 146
... species and their patterns of relative abundance . For example , if two areas have the same number of species , one area has a greater diversity if it has a more even distribution of individuals among the resident species . The idea of ...
... species and their patterns of relative abundance . For example , if two areas have the same number of species , one area has a greater diversity if it has a more even distribution of individuals among the resident species . The idea of ...
Page 150
... numbers until they reach the limit of some resource that is in least abundance . At that point , competition occurs , and in the ensuing competition , species are eliminated ( principle of competitive exclusion ) . Since , in the deep ...
... numbers until they reach the limit of some resource that is in least abundance . At that point , competition occurs , and in the ensuing competition , species are eliminated ( principle of competitive exclusion ) . Since , in the deep ...
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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