engleski

Estimation of soil organic carbon stocks and stock changes in Croatia (1980-2006) – use of national soil database and the Corine land Cover.

In this study, estimation of soil organic carbon (SOC) stocks for the LULUCF categories was provided together with assessment of spatial and temporal trend of soil carbon density (SCD) from 1980-2006 in Croatia. Calculations of soil carbon stocks was based on existed data of soil organic carbon from the national (pedon) database of Croatian soils, consisted of 2351 soil profiles and Corine Land Cover inventories in 1980, 1990, 2000 and 2006. The total estimated soil organic carbon stock in Croatia for all CLC categories relevant for the LULUCF sector (93% of the total country area in 2006) is 618, 77 Mt. Forests and areas with natural vegetation with 348, 11 Mt contribute the most of all categories of which managed forests (broad-leaved, coniferous and mixed) contain 241, 93 Mt and other natural vegetation classes 106, 18 Mt. Estimated soil carbon stock in agricultural land is 270, 46 Mt of which 166, 99 Mt contain classes of intensive agriculture (arable land, permanent crops and complex cultivation patterns). Total change in SC stock between 1980 and 2006 equals +1, 91 Mt and is mostly due to changes in agricultural practices in rural areas (abandonment of intensive grazing and conversion of pastures into natural grasslands). Changes in the Forestry sector during the considering period were less noticeable but also present particularly for broad-leaved forest class (-2, 73 Mt C). Trends of SC stock changes in LULUCF categories presents good indices of demographic and socio- economic processes in Croatia where three distinctive moments were evident (I) decrease of SC stock from 1980-1990 mostly due to the urban sprawl ; (II) increase of SC stock from 1900 – 2000 due to the decline of agricultural activities in rural areas during and after war period ; (III) decline of SC after 2000 due to more intensive urbanization and infrastructural development.

soil ; organic carbon ; Corine land cover

nije evidentirano