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Distribution of acute oak decline (AOD) 2006 to 2011

Cumulative reports of reports of oak decline received by Forest Research during the respective financial years showing confirmed acute oak decline (AOD) , unknown (i.e. probable but unconfirmed reports of AOD), and not AOD.

For legend see graph below the map.

Map
Map updated March 2012

Graph. igures (total, confirmed) - 2006-7: 14,8; 2007-8: 20,14; 2008-9 :12,10; 2009-10: 46,26; 2010-11:101,45; 2011-12: 57,25 (as of 2/2012);

See also

Reporting affected trees

Oak trees with symptoms of extensive bleeding may be reported to our Tree Health Diagnostic and Advisory Service:

Tel: 01420 23000
Email:ddas.ah
@forestry.gsi.gov.uk