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Bottom trawling

  1. Oct 29, 2006 #1

    Mk

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    http://en.wikipedia.org/wiki/Bottom_trawling
    I am skeptical! Some say this is extremely harmful effects on the sea floor. Is this true?
     
  2. jcsd
  3. Oct 29, 2006 #2
    From the Wiki you sited, it looks like it more then just "some" people who say its bad. I don't know much about it, but it reminds me of strip mineing. Coral provides natural homes to many other species.
     
  4. Oct 30, 2006 #3
    bottom trawling is pretty indiscriminate and essentially scrapes everything off the bottom of the floor. there's the desired catch, and then other stuff like chunks of rock, corals, etc that get damaged in the process.

    what makes you skeptical?
     
  5. Oct 31, 2006 #4

    arildno

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    It is a simple and credible mechanism, and might well be true.

    What is lacking here are just the precise order of magnitude effect of bottom trawling.
     
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