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

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Prod-ID: DAT-222-en
Created 18 Dec 2017 Published 06 May 2019 Last modified 03 Sep 2021
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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.

European data

Landscape fragmentation Effective Mesh Density

Metadata

information.png Reporting obligations (ROD)
  • Not applicable
Relation:
Derived data set:  Environmental Accounting Reference Layers - SDI
information.png Geographic accuracy:
Grid in 1000 m resolution
information.png Rights:
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information.png Coordinate reference system:
EPSG:3035
information.png Data sources

Please refer to the INSPIRE compliant metadata set associated with the data set for detailed information about source, lineage and data compilation methodology. 

https://sdi.eea.europa.eu/catalogue/srv/eng/catalog.search#/metadata/98d63709-5a79-44a8-ac5b-fd9a08466bf1

information.png Owners:
European Environment Agency (EEA)
 

Related content

Derived dataset

Interactive charts

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Data Visualization Landscape fragmentation status and trends, 2009-2015: overview
Data Visualization Fragmentation pressure within and outside of Natura 2000 sites per country
Data Visualization Fragmentation pressure within and outside Natura 2000 sites per biogeographical region
Data Visualization Fragmentation pressure in major European biogeographical regions
Data Visualization Fragmentation pressure in EEA member countries
Data Visualization Percentage of EEA member countries covered by the combination of fragmentation pressure and population density classes
Data Visualization Fragmentation pressure in major European ecosystems
Data Visualization Fragmentation pressure by degree of urbanisation

Interactive maps produced

Produced Indicators

Produced figures

Figure 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.
Figure 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.
Figure 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.
Figure 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.

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For references, please go to https://www.eea.europa.eu/data-and-maps/data/landscape-fragmentation-indicator-effective-mesh or scan the QR code.

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