Parameter: treatment

Dataset: 
Seeded microcosm experiments: all data
Parameter: 
treatment
Master parameters information
Short Name:
 treatment
Short Description:
 treatment
Official Name:
 treatment
No Data Value:
 nd
Description:
 

Experimental conditions applied to experimental units.  In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.

Dataset-parameters information
Supplied Name: 
treatment
Supplied Units: 
unitless
Conversion Necessary: 
no
No Data Value: 
nd
Description: 

experimental treatments:
For 2014:
control acidified water;
dust= dust leachate from Whatman41 filters used to collect dust aerosols from Barbados (added to provide +1 nM Fe); FeCl = FeCl3 (added to provide +1 nM Fe)

For 2015:
control acidified water;
2nMFe: 2 nM Fe provided by FeCl3
20nMFe: 20 nM Fe provided by FeCl3
control_leachate: control leachate (leached from Whatman41 blank filter);
dust_barbados: dust leachate from Whatman41 filters used to collect dust aerosols from Barbados (added to provide +2 nM Fe);
Fe: FeCl3 (added to provide +1 nM Fe);
NO3: HNO3 added to provide +0.2 uM N;
PO4: K2HPO4 added to provide +0.01 uM P;
C: Pyruvate added to provide +10 uM C;
FeCNP: mix of FeCl3 (+2 nM Fe), pyruvate (+10 uM C), HNO3 (+0.2 uM), and K2HPO4 (+0.01 uM)