Marine Biology: An Ecological Approach |
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Page 277
... fresh water ๆ 1 ( A ) Evaporation 30 % 35 % 0 37 % Ocean River Little or no flow Sea water た( B ) Figure 8-2 Positive and negative estuaries . ( A ) Positive ( salt wedge ) estuary . Fresh water runoff is significant throughout the ...
... fresh water ๆ 1 ( A ) Evaporation 30 % 35 % 0 37 % Ocean River Little or no flow Sea water た( B ) Figure 8-2 Positive and negative estuaries . ( A ) Positive ( salt wedge ) estuary . Fresh water runoff is significant throughout the ...
Page 284
... fresh water or in full sea water . Examples of this component include the polychaete Nereis diversicolor , various oysters ( Crassostrea , Ostrea ) and clams ( Scrobicularia plana , Macoma balthica , Rangia flexuosa ) , certain small ...
... fresh water or in full sea water . Examples of this component include the polychaete Nereis diversicolor , various oysters ( Crassostrea , Ostrea ) and clams ( Scrobicularia plana , Macoma balthica , Rangia flexuosa ) , certain small ...
Page 309
... water that is deeper than about 50-70 m . Most reefs grow in depths of 25 m or less . This explains why these ... fresh water from river discharge so that the salinity is lowered , reefs will be absent . Such is the case along large ...
... water that is deeper than about 50-70 m . Most reefs grow in depths of 25 m or less . This explains why these ... fresh water from river discharge so that the salinity is lowered , reefs will be absent . Such is the case along large ...
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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