The Greenhouse Gas Balance of Italy: A Synthesis - The Greenhouse Gas Balance of Italy - page 6

Table 1.3 Soil organic carbon (SOC) stock in Italian cropland ecosystems
Parameter Unit value (g C m 2 ) Total SOC stock in

Italian croplands
(Mt C)

Comments

489 148.2

SOC stock in the
upper 30 cm

- Data referred to 2007

(Chap. 8 )

- 470.5 Projected for 2020,

with no mitigation
options (Chap. 8 )

SOC stock in the
upper 30 cm

4.010 230 to
6.980 2530

Arable land and
Agroforestry

285-497 SOC stock in Italian

cropland sub-cate-
gories, depending on
climate types (Chiti
et al. 2010 )
Data referred to 2000
(Chap. 8 )

3.920 1.000 to
8.220 5.490

281-590

Vineyards

4.210 1.330
5.600 3.500

Olive groves 45.5-60.5

3.810 990 to
5.780 1.640

240-365

Orchards

6.010 1.110 to
23.440 8.030

12.8-19.9

Rice fields

Table 1.4 Carbon stock and fluxes measured in local case studies in Italy
Parameter Total value Comments

Annual NEE Vineyards 89-145-814 Measured on sites of Serdiana (CA),

Valle dell'Adige (TN) and Negrisia
(TV) respectively, in 2009
NEE expressed in g C m 2 y

− 1
It includes all carbon pools: soil, grass
cover, vine canopy and woody biomass
(Chap. 11 )

SOC Stock expressed in g C m 2
Measured in Sardinia croplands in 2008
(Chap. 8 )

SOC stock permanent irrigated and
irrigated arable lands

3.160

3.380

SOC stock vineyard

3.220

SOC stock olive groves

SOC stock measured in g C m 2 on
afforested cropland due to land use
change after abandonment in Friuli
Venezia Giulia (Chap. 13 )

Aboveground carbon stock on affor-
ested croplands

2530-4.030

660-1.050

Belowground carbon stock on affor-
ested croplands

5.430-7.700

SOC stock on afforested croplands

Aboveground NPP on afforested
croplands

240-940

60-240

Belowground NPP on afforested
croplands

40-110

Soil carbon sequestration on afforested
croplands