In our study, C/N ratios at the
afforested sites were <20, except for the oldest P.
Kawai and K.Watanabe, concerns Biomass Assessment of
Afforested Regions in Tropical Southeast Asia.
Until 2005, around 12 900 ha was mined, and 10 188 ha of that had been
afforested. As a result of oil shale opencast mining, the relief is rugged, the soil heterogeneous and extremely stony, nitrogen and organic content of oil-shale mining spoil low [1].
Six J, Callewaert P, Lenders S, De Gryze S, Morris SJ, Gregorich EG, Paul EA, Paustian K (2002) Measuring and understanding carbon storage in
afforested soils by physical fractionation.
(2005) found that annual runoff was reduced on average by 44% and 31% when grasslands and shrub lands were
afforested, respectively, with eucalyptus reducing runoff by 75% compared with a 40% decrease by pines in
afforested grasslands.
In a larger meta-analysis, soil C was about 10% lower following afforestation of pastures with coniferous species; the changes in soil C were not significant when pastures were
afforested with broadleaf species (Guo and Gifford 2002).
At that date 9,246 ha of the rehabilitated area was
afforested [5].
The
afforested soils were grouped into three drainage classes: poorly drained soils with an E (albic) or G horizon (stagnic properties) as the second horizon; moderately drained soils with an apedal horizon as the second horizon, overlying an E (albic) or G horizon (stagnic properties); and freely drained soils with an apedal horizon as the second and third horizon (Table 1).
Some 62 million hectares of plantations, accounting for 31.8 percent of the forest area of China, have been
afforested or reforested according to the 2004-2008 National Forest Inventory Report (SFA 2010).
Gerke HH, Hangen E, Schaaf W, Huttl RFRPD (2001) Spatial variability of potential water repellency in a lignitic mine soil
afforested with Pinus nigra.
Perez-Cruzado C, Sande B, Omil B, Rovira P, Martin-Pastor M, Barros N, Salgado J, Merino A (2014) Organic matter properties in soils
afforested with Pinus radiata.