Cumulative number of alien species established in freshwater environment in 11 countries

Figure Created 12 Nov 2009 Published 02 Sep 2010 Last modified 20 Feb 2017

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Topics: Biodiversity — Ecosystems ,

How to read the graph: in the 1990s, the total number of freshwater alien species reached around 140 species

Last upload:: 01 Jul 2011
Temporal coverage:: 1990-2008
Tags:: biodiversity , baseline , alien species
Geographic coverage:: Denmark , Estonia , Finland , Germany , Iceland , Latvia , Lithuania , Norway , Poland , Russia , Sweden
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)
Figure type:: Graph

The cumulative number of alien species introduced in European freshwater ecosystems has been constantly increasing since the 1900s.
However, this increase is slowing down for freshwater species (EEA, 2009).

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