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Forest Research home > Research > Woodlands & the environment > Integrated forest monitoring > Long term monitoring of forest ecosystems > GB plots and summary data > Grizedale > Measurements

Grizedale Level II plot - Foliar sampling and analysis

Foliar chemistry assessment undertaken every 1 to 2 years
(Average over 1995 to 2005 period)
ElementAverageStandard errorSample size
Macronutrients (mg/g)N13.841.51546
S231.594.7531
P0.7590.08546
Ca3.2980.38546
Mg0.8860.10246
K5.040.55346
Micronutrients (μg/g)Na244.731.8316
Zn17.991.36746
Mn122055.1346
Fe58.971.7846
Cu7.7460.15746
B32.923.27116
Trace metals (μg/g)Al70.883.8646
Ni1.5490.09225
Co0.1050.0265
Cd0.0790.01720
Cr0.170.0420
Ti3.5530.29815

ND: no data recorded