Environmental Engineering Reference
In-Depth Information
Fig. 8.7.6
REM (Marche Environmental Network). Landscape fragmentation: index of infrastruc-
ture fragmentation. In evaluating fragmentation due to infrastructure, the causes generating ecosys-
tem desegregation dynamics end up being ascribable to “measureable” parameters ranging from
yel-
low
to
blue
. The mobility system, and the road system in particular, is the most direct threat to the
ecological network and to the fragmentation of natural environments. Existing mobility, where one
can intervene only through mitigation actions, is considered separately from planned mobility, for
which contributions can be made in the design phase. High fragmentation can naturally be seen where
the arterial road lies, and this occurs, as expected, in the same valley corridors where the anthrop-
ic system is principally seen. However, situations of heightened value can be detected that closely
correspond to the edges of built areas in some main urban centers
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