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Discussion

Coastal monitoring programmes are justified principally because they

  • A.satisfy a legal requirement with no practical purpose
  • B.employ staff who would otherwise have no work to do
  • C.produce data that is archived and never subsequently used
  • D.provide the evidence on which management decisions rest

Answer: D

Trends cannot be distinguished from fluctuations without a long record. Regional monitoring programmes exist in many countries for exactly this reason. Interannual variability is large on any coast. Consistent methods make the records comparable.

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