Table 1.
Definitions of variables of C stocks and fluxes. Particularly time-consuming measurements (Root_C and Rs) were assessed on a subset of plots; in two plots, Tree_AGC, AGC_F and derived variables could not be assessed because farmers harvested some trees.
| abbreviation | definition | measuring period | no. repeated measures | no. plots | |
|---|---|---|---|---|---|
| C stocks (Mg C ha−1) | Tree_AGC Herb_AGC Litter_C DW_C Root_C SOC |
above-ground tree C above-ground herb C litter-layer C deadwood C root C soil C |
2008 2008 2009–2010 2009 2008–2009 2008 |
1 1 4 1 1 1 |
25 27 27 27 15 27 |
| AGC_total GC_total BGC_total |
total above-ground C (Tree_AGC + Herb_AGC) total ground-layer C (Litter_C + DW_C) total below-ground C (Coarseroot Ca + SOC) |
2008 2009–2010 2008 |
1 1 1 |
25 27 25 |
|
| Total_C | total C stock | 2008–2010 | 1 | 25 | |
| C fluxes (Mg C ha−1 yr−1) | AGC_F Litterfall_F CWD_F Rs |
above-ground tree C increment total litterfall flux coarse woody debris flux soil respiration |
2008–2010 2009–2014 2009–2015 2009–2012 |
2 6 2 4 |
25 27 27 16 |
aHere, the BGC total only included coarse-root C, not fine roots and herb roots, to maximize the number of plots for the below-ground calculation.