Marine Biology: An Ecological Approach |
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Page 6
... percent by weight so that 11 ions together make up 99.99 percent by weight of the dissolved substances . The salinity of various parts of the open ocean away from coastal areas varies within a narrow range , usually from 34 to 37 ...
... percent by weight so that 11 ions together make up 99.99 percent by weight of the dissolved substances . The salinity of various parts of the open ocean away from coastal areas varies within a narrow range , usually from 34 to 37 ...
Page 122
... percent of the planet's surface covered with water , perhaps 85 percent of the area and 90 percent of the volume constitute the dark , cold area we call the deep sea . Although this area is the largest habitat on earth , its biology is ...
... percent of the planet's surface covered with water , perhaps 85 percent of the area and 90 percent of the volume constitute the dark , cold area we call the deep sea . Although this area is the largest habitat on earth , its biology is ...
Page 389
... percent of the world fisheries landings in 1950 to 17 percent in 1967 and a position as the top fishing nation in the world . The second factor was the introduction of modern fish - capturing and handling gear , including factory ships ...
... percent of the world fisheries landings in 1950 to 17 percent in 1967 and a position as the top fishing nation in the world . The second factor was the introduction of modern fish - capturing and handling gear , including factory ships ...
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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