Summary

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 ✓ ✓ ✓ ✓

Key

  • V – Volume of throughfall only recorded.
  • * – Fortnightly at Micheldever.