PLF

By default, table changes apply retroactively to all survey years unless explicitly indicated otherwise.

ATTRIBUTE IMPLEMENTED_IN_YEAR CHANGE
altitude 2002 introduction
country 2002 introduction
date_sampling 2002 introduction
latitude 2002 introduction
longitude 2002 introduction
other_observations 2002 introduction
plot 2002 introduction
Sequence 2002 introduction

FOT

By default, table changes apply retroactively to all survey years unless explicitly indicated otherwise.

ATTRIBUTE IMPLEMENTED_IN_YEAR CHANGE
age_classes 2011 introduction
code_sample_number 2011 removed
leaves_type 2011 introduction
other_observations 2011 introduction
plot 2011 introduction
sample_id 2011 introduction
Sequence 2011 introduction
tree 2011 introduction
tree 2011 removed
tree_species 2011 introduction
code_sample_number 2007 status changed from optional to mandatory
tree 2007 status changed from optional to mandatory

FOM

By default, table changes apply retroactively to all survey years unless explicitly indicated otherwise.

ATTRIBUTE IMPLEMENTED_IN_YEAR CHANGE
Arsenic 2011 introduction
B 2011 introduction
Cd 2011 introduction
Co 2011 introduction
Cr 2011 introduction
date_analysis 2011 removed
end_date_analysis 2011 introduction
Hg 2011 introduction
Ni 2011 introduction
Pb 2011 introduction
sample_id 2011 introduction
start_date_analysis 2011 introduction
code_plot 2007 status changed from optional to mandatory
code_sample_number 2007 status changed from optional to mandatory
date_analysis 2007 status changed from optional to mandatory
al 2003 removed
na 2003 removed
C 2002 introduction
Ca 2002 introduction
Cu 2002 introduction
Fe 2002 introduction
K 2002 introduction
mass_leaves 2002 introduction
mass_needles 2002 introduction
Mg 2002 introduction
Mn 2002 introduction
N 2002 introduction
other_observations 2002 introduction
P 2002 introduction
plot 2002 introduction
S 2002 introduction
Sequence 2002 introduction
Zn 2002 introduction

LQA

By default, table changes apply retroactively to all survey years unless explicitly indicated otherwise.

ATTRIBUTE IMPLEMENTED_IN_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
plot 2009 introduction
pretreatment 2009 introduction
quantification_limit 2009 introduction
Sequence 2009 introduction