Measuring and Monitoring Soil Carbon - Soil Carbon: Science, Management and Policy for Multiple Benefits - page 193

Soil
sampling
Sub-
samples

Composite Composite Composite Single Composite Composite Composite Composite Composite Composite

Depth 0-30 cm and

0-100 cm

10 cm slices
until
100 cm

0-30 cm and
30- 60 cm

Variable,
sampled by
soil horizon;
in 2009,
1235
samples to
30 cm

0-20 cm;
40- 60 cm

10 cm slices
until
75 cm

0- 10, 10-20
and
20- 30 cm

0- 10; 10-20;
20-30;
30- 40 cm;

0- 10; 10-20;
20-30;
30- 40 cm;

0-20 cm

Frequency Once, but
can be
resampled
in future if
if funding is
available

Every
10 years

Every
5 years

Resampling
is ongoing

1995 and
2005
done, will
be
repeated
every
10 years

Each point
will be
sampled
every
5-10 years

Once, but can
be resampled
in future
if funding is
available

Once Sampled in

1997, 1999,
2005 and
2010

Annual
sampling
from 2010

a LUCAS network: http://www.mfe.govt.nz/issues/climate/lucas/ .
b For consistency across the programme the Australian Land Use and Management (ALUM) Classification is used ( http://www.daff.gov.au/abares/aclump/pages/land-use/alum-
classification-version-7-may-2010/default.aspx ) .