Figure

Number and cumulative number of marine non-indigenous species in Europe's seas, 1970-2020

Figure Created 03 Feb 2023 Published 24 Feb 2023 Last modified 24 Feb 2023

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The figure shows the number of new non-indigenous species (NIS) reported by marine region. The line-bar chart shows the total number of new introductions of NIS (grey bars) and by main species group (lines) reported in Europe’s seas combined and by marine region, per 6-year interval between 1970 and 2017. The stacked column charts show the cumulative number of new NIS introductions by main species group, in Europe’s seas combined and by marine region, per 6-year interval between 1970 and 2020.