Marine Biology: An Ecological Approach |
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Page 27
... predator removal has little effect on the prey population . We shall see examples of both these situations in the following chapters . A special case of predation concerns those predators that have a profound effect , not only on their ...
... predator removal has little effect on the prey population . We shall see examples of both these situations in the following chapters . A special case of predation concerns those predators that have a profound effect , not only on their ...
Page 117
... Predators : ( 9 ) salmon , ( 10 ) squid , ( 11 ) lancetfish . Top predators : ( 12 ) mackerel shark , ( 13 ) porpoise , ( 14 ) seals and sea lions ... predators 8 7 Predators Filterers 4 5 6 Herbivores. CHAPTER THREE : Oceanic Nekton 117.
... Predators : ( 9 ) salmon , ( 10 ) squid , ( 11 ) lancetfish . Top predators : ( 12 ) mackerel shark , ( 13 ) porpoise , ( 14 ) seals and sea lions ... predators 8 7 Predators Filterers 4 5 6 Herbivores. CHAPTER THREE : Oceanic Nekton 117.
Page 118
... - orous fish , ( 6 ) baleen whales . Predators : ( 7 ) predatory fish , ( 8 ) seals and sea lions . Top predators : ( 9 ) killer whale . 17 Top predators 19 15 16 18 Predators 11 12. 118 MARINE BIOLOGY : An Ecological Approach.
... - orous fish , ( 6 ) baleen whales . Predators : ( 7 ) predatory fish , ( 8 ) seals and sea lions . Top predators : ( 9 ) killer whale . 17 Top predators 19 15 16 18 Predators 11 12. 118 MARINE BIOLOGY : An Ecological Approach.
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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