Marine Biology: An Ecological Approach |
From inside the book
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Page 467
... fishery for marine mammals has been that for various species of whales . Persistent overexploitation of the stocks in this century has , however , virtually doomed this fishery . Other harvestable mammals are mainly seals and sea lions ...
... fishery for marine mammals has been that for various species of whales . Persistent overexploitation of the stocks in this century has , however , virtually doomed this fishery . Other harvestable mammals are mainly seals and sea lions ...
Page 471
... fishery experienced one drop in numbers in 1965 as a result of the occurrence of the El NiƱo , but this temporary setback was made up the following year . Fishery experts had estimated a maximum sustainable anchoveta yield of 9.5 ...
... fishery experienced one drop in numbers in 1965 as a result of the occurrence of the El NiƱo , but this temporary setback was made up the following year . Fishery experts had estimated a maximum sustainable anchoveta yield of 9.5 ...
Page 474
... fishery exists on the continental shelf where individual nations have jurisdiction by international convention , the fishery can be controlled by a single nation . In the past , the area of an individual nation's jurisdiction was 12 ...
... fishery exists on the continental shelf where individual nations have jurisdiction by international convention , the fishery can be controlled by a single nation . In the past , the area of an individual nation's jurisdiction was 12 ...
Common terms and phrases
abundant adaptations algae algal amphipods anemones animals areas associations Atlantic bacteria barnacles benthic benthos Biol biological bottom burrowing changes clams Cnidaria colonies community structure competition copepods coral reefs crabs crustaceans deep sea density deposit feeders depth desiccation detritus diatoms distribution diversity dominant ecology effect environment estuary example fauna feeding Figure fishes gastropod grazing growth herbivores increased infaunal interactions interstitial intertidal zone invertebrates kelp large numbers larvae layers light limpets low tide macrofauna mangrove marine meiofauna meiofaunal organisms mesopelagic mollusks mud flats nekton number of species nutrients occur ocean oxygen Pacific coast particles patterns pelagic percent Photo courtesy photophores physical factors phytoplankton plankton plants Plate polychaete population predators prey primary productivity reduced result rocky intertidal rocky shores salinity sand beaches sand flats seagrass seagrass beds seawater sediment space substrate subtidal surface suspension feeders temperate temperature terrestrial tidal tropical various vertical water column wave action zonation zooplankton zooxanthellae