Map from the DISMED project (Desertification Information System for the Mediterranean) showing the sensitivity to desertification and drought as defined by the sensitivity to desertification index (SDI) based on soil quality, climate and vegetation parameters.
The adopted methodology is inspired by the one developed in the
framework of the MEDALUS project (Mediterranean Desertification And Land Use).
Sensitivity to the desertification of the different spatial homogeneous units is
defined by an index (ISD: index of sensitivity to the Desertification) obtained
from the geometrical average of three indexes of the soil quality, climate and
vegetation. This raster version was built from a calculation within three
indexes: Soil (Soil Database V2 (JRC)), Vegetation (CLC 2000) and Climate
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A rotting log is a mini nature reserve in its own right!
By removing dead or dying trees from woodland, a section of the natural nutrient-cycle can be lost. A lack of dead wood reduces species diversity by about 20 %. Avoid removing dead wood from your property. You could be doing away with thousands of invertebrate species and fungi.
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