Figure 1a (on top) illustrates a cumulative number of aliens in the European Seas (EU + non EU), grouped by primary producers (PP), vertebrates (VER) and invertebrates (INV). Figure 1b (on bottom) illustrates the number of new introductions of all alien species per decade since 1950 in European Seas, by MSFD (Marine Strategy Framework Directive) region and sub-region.
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Be careful when buying for your garden. People are one of the main introducers of invasive species, especially flora. Many of the invasive species have been introduced for ornamental purposes. Do put an extra effort in finding out whether the plant you want is native to your environment.
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