Variables monitored in UK Beech long-term forest monitoring plots
Variables | Period | Frequency of sampling | Brechfa | Cannonteign | Covert Wood | Kelty | Wangford | Wykeham |
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Foliar sampling and analysis | 2005 | Once | ||||||
2007 | Once | |||||||
Increment | 2004 | Once | ||||||
Crown condition | 1991-2001 | Annual | ||||||
2002-2006 | Annual | |||||||
Meteorology | 2002 | Continuous (automatic) | ||||||
2003-2005 | Continuous (automatic) | |||||||
2006 | Continuous (automatic) | |||||||
Deposition volume | 2002-2008 | 4 weeks | ||||||
2009-2010 | 4 weeks | |||||||
SO2,O3NOx NH4 below canopy (diffusion tubes) | 2002-2005 | Monthly | ||||||
Ground vegetation | 2004 | Once | ||||||
2007 | Once | |||||||
Litter fall quantification | 2002-2008 | 4 weeks (2 weeks in autumn) |
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2009-2010 | 4 weeks (2 weeks in autumn) |
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Litter fall analysis | 2009 | Once | ||||||
Growth uptake of heavy metals | 2003 | Single measurement |