|
Below this limit, the beech grove – Oak grove extends
over the poorest grounds resulting from the change of
the granite, the beech grove – hornbeam's wood occupying
the bottom of valleys richer in alluviums and the alder
– ash-grove the wettest zones. However, conifers were
introduced: common spruce, fir-tree, larch and Douglas.
These monotonous population, realized after a heavy
felling which favours the erosion, have serious
consequences, not only
as regards
the aspect of this landscape
but also on hydrology, fauna and flora of Morvan. |
