Salt Marsh Creation: Keyhaven, South Hampshire

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1. When is the climax of a salt marsh reached?

  • When a community of ader and ash trees is reached with a fully developed creek system
  • When the pioneer colonising plants help trap sediment
  • When organic matter is contributed
  • When a more complex set of plants colonise
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2. How much was spent on increasing the height of the spit?

  • £2 million
  • £5 million
  • £7 million

3. How much does the marsh retreat a year?

  • 6m
  • 10m
  • 3m
  • 7m

4. What happened December 1989?

  • Groynes were erected
  • Storm exposed 80m to the sea
  • Sea wall was built

5. Is it recognised as a SSSI and nature reserve?

  • Yes
  • No
  • Maybe


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