Cumulative number of alien species established in freshwater environment in 11 countries
- 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).
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/cumulative-number-of-alien-species-established-in-freshwater-environment-in-11-countries or scan the QR code.
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