Main pathways of introduction of marine non-indigenous species in regional seas of Europe

Figure Created 18 Aug 2014 Published 03 Mar 2015 Last modified 09 Apr 2019
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This figure shows the relative importance (%) of the main pathways of introduction of non-indigenous species (NIS) across regional seas of Europe in 2014.

European data

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18 Aug 2014
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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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% 

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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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European Environment Agency (EEA)
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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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State of Europe's seas The main aim of this report is to assess whether Europe's seas can be considered healthy, clean and undisturbed, and productive. These are three core aspects of the EU's main marine policy instrument — the Marine Strategy Framework Directive — and relate to the condition of marine ecosystems and the human drivers of ecosystem change. This assessment also involves identifying the main sustainability challenges affecting our seas, and how the EU is responding to these challenges. Ultimately, the report argues that EU is not on the path to fulfil its ambition of achieving sustainable use of its seas; although it is fully empowered to do so through the current array of policies and knowledge. This report also discusses how a long-term transition to sustainability could then be secured using the available policies and knowledge.

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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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