Diagrams

Question 1

Sanderman et al 2017 (loss -> land use)

Answer 1

used land (108 km2) 0-60, cumulative SOC loss (g C) 0-140, years 0 - 2000

Question 2

Bellamy et al 2005 (loss -> SOC content / rate of change)

Answer 2

rate of change (g kg-1 yr-1) -8 - 2, SOC content (g kg-1) 0-500

Question 3

Maillard and Angers 2013 (regen -> manure)

Answer 3

relative SOC change 0 - 3.5, cumulative manure C-input (Mg C ha-1)

Question 4

Kabir et al 1998 -> (regen/loss -> hyphae and tillage)

Answer 4

metabolically active hyphae density (cm-3) 0-350, CT, RT, ZT

Question 5

Matson et al 1997 (regen -> tillage)

Answer 5

SOC, year 1900 - 1980, CT and RT (dip at 1960)