Figure

Absolute differences between the observed and the predicted values of seff according to the pan-European model

Figure Created 23 Sep 2011 Published 23 Sep 2011 Last modified 29 Nov 2012

1 min read

Topics: Land use

Map shows the differences between the level of fragmentation for FG-B2 calculated and the level of fragmentation predicted by the pan-European model in the 28 countries investigated

https://www.eea.europa.eu/data-and-maps/figures/absolute-differences-between-the-observed/absolute-differences-between-the-observed/image_large

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Rights:: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Owners:: European Environment Agency (EEA)
Processors:: Swiss Federal Office for the Environment (FOEN)
Figure type:: Map

Additional information

The objective of this task is calculate “effective mesh size” as indicator of landscape fragmentation. Effective mesh size (Meff) is proportional to the probability of two points chosen randomly in region being connected. This probability is then converted into the size of a patch – the effective mesh size. The unit of Meff is that of area (e.g. Ha). This area corresponds to the size of “meshes” of regular network that has the same degree of fragmentation and it can be compared with the values of Meff from other regions. The smaller the effective mesh size, the more fragmented the landscape.

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Geographic coverage

Austria Belgium Bulgaria Cyprus Czechia Denmark Estonia Finland France Germany Greece Hungary Ireland Italy Latvia Liechtenstein Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Spain Switzerland United Kingdom