# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division (17): Defoliation

Extent: E+W+S+N.I.

Defoliation figure for each sample tree expressed as a percentage (in steps of 5 %) compared with a tree with complete foliage. The actual percentage is used.
0 0 %
5 1-5 %
10 6-10 %
15 11-15 %
etc.

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Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/15/division/4/division/17 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-15/division-4/division-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.