ATTRIBUTE SURVEY_YEAR CHANGE
altitude 1984 INTRODUCTION
country 1984 INTRODUCTION
date 2016 RENAME to date_sampling
date_sampling 1984 INTRODUCTION
latitude 1984 INTRODUCTION
longitude 1984 INTRODUCTION
other_observations 1984 INTRODUCTION
plot 1984 INTRODUCTION
Sequence 1984 INTRODUCTION

ATTRIBUTE SURVEY_YEAR CHANGE
as 2017 INTRODUCTION
B 2011 INTRODUCTION
C 2011 INTRODUCTION
Ca 1984 INTRODUCTION
Cd 2011 INTRODUCTION
co 2017 INTRODUCTION
cr 2017 INTRODUCTION
Cu 2011 INTRODUCTION
date_analysis 1984 INTRODUCTION
date_analysis 2010 DISCONTINUED
end_date_analysis 2011 INTRODUCTION
Fe 2011 INTRODUCTION
hg 2017 INTRODUCTION
K 1984 INTRODUCTION
Laboratory_ID 2007 INTRODUCTION
Laboratory_ID 2008 DISCONTINUED
mass_leaves 1984 INTRODUCTION
mass_needles 1984 INTRODUCTION
Mg 1984 INTRODUCTION
Mn 2011 INTRODUCTION
N 1984 INTRODUCTION
ni 2017 INTRODUCTION
other_observations 1984 INTRODUCTION
P 1984 INTRODUCTION
Pb 2011 INTRODUCTION
plot 1984 INTRODUCTION
ring_test_number 2007 INTRODUCTION
ring_test_number 2008 DISCONTINUED
S 1984 INTRODUCTION
sample 1984 INTRODUCTION
sample 2010 DISCONTINUED
sample_id 2011 INTRODUCTION
Sequence 1984 INTRODUCTION
start_date 2011 INTRODUCTION
tree_1_6 1984 INTRODUCTION
tree_1_6 2010 DISCONTINUED
tree_2_7 1984 INTRODUCTION
tree_2_7 2010 DISCONTINUED
tree_3_8 1984 INTRODUCTION
tree_3_8 2010 DISCONTINUED
tree_4_9 1984 INTRODUCTION
tree_4_9 2010 DISCONTINUED
tree_5_10 1984 INTRODUCTION
tree_5_10 2010 DISCONTINUED
Zn 2011 INTRODUCTION

ATTRIBUTE SURVEY_YEAR CHANGE
as 2017 INTRODUCTION
B 2011 INTRODUCTION
C 2011 INTRODUCTION
Ca 1984 INTRODUCTION
Cd 2011 INTRODUCTION
co 2017 INTRODUCTION
cr 2017 INTRODUCTION
Cu 2011 INTRODUCTION
date_analysis 1984 INTRODUCTION
date_analysis 2010 DISCONTINUED
end_date_analysis 2011 INTRODUCTION
Fe 2011 INTRODUCTION
hg 2017 INTRODUCTION
K 1984 INTRODUCTION
Laboratory_ID 2007 INTRODUCTION
Laboratory_ID 2008 DISCONTINUED
mass_leaves 1984 INTRODUCTION
mass_needles 1984 INTRODUCTION
Mg 1984 INTRODUCTION
Mn 2011 INTRODUCTION
N 1984 INTRODUCTION
ni 2017 INTRODUCTION
other_observations 1984 INTRODUCTION
P 1984 INTRODUCTION
Pb 2011 INTRODUCTION
plot 1984 INTRODUCTION
ring_test_number 2007 INTRODUCTION
ring_test_number 2008 DISCONTINUED
S 1984 INTRODUCTION
sample 1984 INTRODUCTION
sample 2010 DISCONTINUED
sample_id 2011 INTRODUCTION
Sequence 1984 INTRODUCTION
start_date 2011 INTRODUCTION
tree_1_6 1984 INTRODUCTION
tree_1_6 2010 DISCONTINUED
tree_2_7 1984 INTRODUCTION
tree_2_7 2010 DISCONTINUED
tree_3_8 1984 INTRODUCTION
tree_3_8 2010 DISCONTINUED
tree_4_9 1984 INTRODUCTION
tree_4_9 2010 DISCONTINUED
tree_5_10 1984 INTRODUCTION
tree_5_10 2010 DISCONTINUED
Zn 2011 INTRODUCTION

ATTRIBUTE SURVEY_YEAR CHANGE
age_classes 2011 INTRODUCTION
leaves_type 2011 INTRODUCTION
other_observations 2011 INTRODUCTION
plot 2011 INTRODUCTION
sample_id 2011 INTRODUCTION
Sequence 2011 INTRODUCTION
tree 2011 INTRODUCTION
tree_species 2011 INTRODUCTION

ATTRIBUTE SURVEY_YEAR CHANGE
control_chart_mean 2009 INTRODUCTION
control_chart_std 2009 INTRODUCTION
country 2009 INTRODUCTION
date_end 2009 INTRODUCTION
date_start 2009 INTRODUCTION
determination 2009 INTRODUCTION
Laboratory_ID 2009 INTRODUCTION
other_observations 2009 INTRODUCTION
parameter 2009 INTRODUCTION
percentage_within 2009 INTRODUCTION
percentage_within 2016 DISCONTINUED - will be submitted from ringtest db directly
percentage_within_requal 2009 INTRODUCTION
percentage_within_requal 2016 DISCONTINUED - will be submitted from ringtest db directly
plot 2009 INTRODUCTION
pretreatment 2009 INTRODUCTION
quantification_limit 2009 INTRODUCTION
requalification 2009 INTRODUCTION
requalification 2016 DISCONTINUED - will be submitted from ringtest db directly
ring_test_number 2009 INTRODUCTION
ring_test_number 2016 DISCONTINUED - will be submitted from ringtest db directly
ring_test_participation 2009 INTRODUCTION
ring_test_participation 2016 DISCONTINUED - will be submitted from ringtest db directly
Sequence 2009 INTRODUCTION