Landscape fragmentation indicator effective mesh density (seff) - major and medium anthrophogenic fragmentation (FGA2_S_2016)

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Prod-ID: DAT-199-en
Created 18 Dec 2017 Last modified 22 Mar 2018
1 min read
The raster file is the basis of the indicator for assessing landscape fragmentation due to urban and transport expansion. The computation is based on the method of Effective Mesh Density (seff). The Effective Mesh Density (seff) is a measure of landscape fragmentation, i.e. the degree to which movement between different parts of the landscape is interrupted by a Fragmentation Geometry (FG). FGs are defined as the presence of impervious surfaces and traffic infrastructure. The Effective Mesh Density gives the effective number of meshes (or landscape patches) per 1000 km2, in other words, the density of the meshes. The more FGs fragment the landscape, the higher the effective mesh density. The seff values are reported within the 1km sq regular LEAC grid.

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information.png Temporal coverage:
information.png Last upload:
18 Dec 2017
information.png Geographic coverage:
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information.png Geographic accuracy:
Grid in 1000 m resolution
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, ,
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information.png Coordinate reference system:
EPSG:3035
information.png Data sources

https://sdi.eea.europa.eu/editor-catalogue/srv/eng/catalog.search#/metadata/9dd3ae9e-1a12-4b42-a70e-6836101801ba

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European Environment Agency (EEA)
 

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Figures produced

Percentage of NUTS3 regions covered by high and very high fragmentation pressure classes Percentage of NUTS3 regions covered by high and very high fragmentation pressure classes The map shows the percentage of NUTS3 regions covered by high an very high fragmentation pressure classes. Fragmentation pressure classes express the number of meshes per 1000 km2.
Spatial pattern of fragmentation pressures in rural areas in EEA member countries Spatial pattern of fragmentation pressures in rural areas in EEA member countries Fragmentation pressure from urban and transport infrastructure expansion in rural areas (see map) in the EU Member States. The chart shows the area distribution of fragmentation pressure classes in proportion of each country's rural area.
Fragmentation pressure and population density in EEA member countries Fragmentation pressure and population density in EEA member countries The map shows the correspondence between fragmentation pressure from urban expansion and traffic infrastructure and population density in Europe.
Fragmentation pressure (number of meshes per 1 000 km²) of urban and transport infrastructure expansion Fragmentation pressure (number of meshes per 1 000 km²) of urban and transport infrastructure expansion The map shows the distribution of fragmentation classes across Europe. Classes represent the number of meshes per 1 000 km2. Light colours mean less fragmentation pressure and dark colours mean higher fragmentation pressure of urban and transport infrastructure expansion.

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