Essentials of Ecology

(Kiana) #1

182 CHAPTER 8 Aquatic Biodiversity


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  1. By about what percentage did the mean coral cover drop
    in the protected (unfished) reefs between 1997 and 1999?

  2. By about what percentage did the mean coral cover drop
    in the protected (unfished) reefs between 1997 and 2005?

  3. By about what percentage did the coral cover drop in the
    unprotected (fished) reefs between 1997 and 1999?
    4. By about what percentage did the coral cover change in
    the unprotected (fished) reefs between 1997 and 2005?
    5. Do these data support the hypothesis that coral reef re-
    covery should occur faster in areas where fishing is pro-
    hibited? Explain.

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