d_surveys

Last change: 2018.2

CODE DESCRIPTION FREQU FREQU_CMNT YN_LEVELII ST_ORDER FROM_YEAR TO_YEAR
AQ Air Quality 1 Continous Y 11 1984  
C1 Crown Condition - Level I 1 At least annually N 50 1984  
CC Crown Condition 1 At least annually Y 2 1984  
DP Deposition 1 Continous Y 7 1984  
F1 Foliage - Level I 2 Every two years N 51 1984  
FO Foliage 2 Every 2 years Y 5 1984  
G1 Growth - Level I 10 Every 10 years N 54 2011  
GB Ground Vegetation Biomass 0 Once Y 17 2009  
GR Growth 5 Every 5 years Y 6 1984  
GV Ground vegetation 5 Every 5 years Y 9 1984  
LA Leaf Area Index 1 At least 2 times a year Y 14 2009  
LF Litterfall 1   Y 13 1984  
MM Meteo 1 Continous Y 8 1984  
OZ Ozone Injury 1 Continous Y 12 1984  
PH Phenology 1 Several times per year Y 10 1984  
S1 Soil - Level I 10 Every ten years N 52 1984  
SI System Installment 0 At system installment Y 1 1984  
SO Soil 10 Every 10 years Y 3 1984  
SS Soil Solution 1 Continous Y 4 1984  
SW Soil Water 10 Every 10 years Y 16 2006  
TV Tree Vitality 1 Annually Y 15 2009 2011
Y1 System Installment - Level I 0 At system installment N 53 2011  

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