By contrast, the expansion of arable land
area creates an uncertainty in future soil loss estimates. The
increase of grass margins, the maintenance of stone walls and the
application of contour farming foreseen by the Common Agricultural
Policy can further reduce soil loss rates in arable lands. On the
other hand, the pressure from other policies (e.g. the Biofuels
Directive) to cultivate (mainly erosion-prone) energy crops may
increase soil loss rates if no additional management practices are
applied. RUSLE2015 is a useful tool for simulating the effects of
these policy developments, land use changes and land management
practices on the rates of soil loss due to water erosion