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Division (9) Mean age of dominant storey (years)

United Kingdom

Original text. Later amendments are not shown.

1
  • ≤ 20

  • 2
  • 21—40

  • 3
  • 41—60

  • 4
  • 61—80

  • 5
  • 81—100

  • 6
  • 101—120

  • 7
  • > 120

  • 8
  • Irregular stands