Variables monitored in UK Oak long-term forest monitoring plots
Variables | Period | Frequency of sampling | Grizedale | Alice Holt / Straits | Savernake | Ardtornish | Micheldever |
---|---|---|---|---|---|---|---|
Foliar sampling and analysis | 1995-2005 | 2 years | |||||
2005 | Annual | ||||||
2006 | Annual | ||||||
2007-2008 | Annual | ||||||
2009-2010 | Annual | ||||||
Soil analysis | 1995 | Once | |||||
2010 | Once | ||||||
Soil solution | 1995-2001 | 2 weeks | |||||
2001-2006 | 2 weeks | ||||||
2007-2009 | 4 weeks | ||||||
2009-2010 | 4 weeks | ||||||
Soil moisture | 2007-2008 | Hourly | |||||
2009-2010 | Hourly | ||||||
Soil temperature | 1998-2008 | Hourly | |||||
2009-2010 | Hourly | * | |||||
Atmospheric deposition | 1995-1996 | 2 weeks | |||||
1997-2002 | 4 weeks | ||||||
2002-2006 | 4 weeks | V | |||||
2007-2008 | 4 weeks | ||||||
2009-2010 | 4 weeks | ||||||
Increment | 1995-2010 | 5 years | |||||
2004 | Once | ||||||
2008 | Annual | ||||||
2009-2010 | Annual | ||||||
Permanent girth bands | 2008 | Monthly | |||||
2009-2010 | Monthly | ||||||
Phenology (manual) | 1995-2007 | 2 weeks | |||||
2007-2009 | Monthly | ||||||
2009-2010 | Weekly (spring/autumn) | ||||||
Phenology (webcam) | 2009-2010 | Hourly | |||||
Crown condition | 1994-2007 | Annual | |||||
2009-2010 | Annual | ||||||
Leaf area index | 2009-2010 | Once | |||||
Meteorology | 1994-2009 | Daily(manual) | |||||
1994-2008 | Continuous (Automatic) | ||||||
2009-2010 | Continuous (Automatic) | ||||||
SO2,O3,NOx above canopy (diffusion tubes) | 2003 | Monthly | |||||
SO2,O3,NOx,NH4 below canopy (diffusion tubes) | 2001 | Monthly | |||||
2002-2005 | Monthly | ||||||
2006 | Monthly | ||||||
NO2 | 1994-2010 | 2 weeks | |||||
NH4 | 2000-2006 | Monthly | |||||
2006-2010 | Monthly | ||||||
Quantitative ground vegetation | 2010 | Once | |||||
Litter fall quantification | 1998-2002 | 2 weeks (autumn) 4 weeks (winter-summer) | |||||
2002-2008 | 2 weeks (autumn) 4 weeks (winter-summer) | ||||||
2009-2010 | 2 weeks (autumn) 4 weeks (winter-summer) | ||||||
Litter fall analysis | 2009 | Once | |||||
Growth uptake of heavy metals | 2003 | Single measurement |