Figure
Main pathways of introduction of marine non-indigenous species in regional seas of Europe
European data
Metadata
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Methodology:
Data retrieved from HCMR/EEA ALIEN data base. Percentages were calculated based on the total number of NIS per regional sea for which a pathway could be attributed.
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Units:
%
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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).
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Owners:
- European Environment Agency (EEA)
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Figure type:
- Map
Additional information
Main pathways of introduction are shipping, corridors (i.e. marine and inland), aquaculture, aquarium trade and other. In many cases, it is impossible to identify the introduction pathway. Where more than one pathway of introduction can be attributed, the analysis has considered both modes of introduction. Thus the resulting percentage of introductions per pathway amounts to more than 100 %.
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Geographic coverage
Temporal coverage
For references, please go to https://www.eea.europa.eu/data-and-maps/figures/mode-of-introduction-of-nis or scan the QR code.
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