ocean notes 17 - demandsf

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ocean food and resources contribution of marine environment to worlds future food needs  trends that suggest the world os approaching limit of food production: backlog of unused agricultural technology is shrinking  growing human demands are pushing limits of fisheries and rangelands  demands for water pushing limit of hydraulic cycle  using additional fertilizer  countries which are densely populated lose cropland when they industrialize  social disintegration undermines governments an ability to expand food production  *exploitation of marine fisheries is by far the largest anthropogenic impact on the sea!  bycatch- incidental catch_catching species you're not really looking for, mostly fatal for  some species  by catch increases extinction probability  over fishing is damaging food webs  bottom trawling has been identified as one of the most difficult methods to manage int 
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  • Fall '12
  • Flemur
  • future food needs, marine food resources, unused agricultural technology, social disintegration undermines, incidental catch_catching species

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