SDG 15: Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss
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Excerpt from Swiss target 15.8: People and the environment are not harmed by alien species and there is no negative impact on biological diversity, ecosystem services and their sustainable use. The spread of invasive alien species is halted and their further introduction is prevented.
Significance of the indicator
The indicator shows the number of invasive alien plant species known in Switzerland. They harm ecosystems and contribute to the decline in biodiversity. A reduction in their number, therefore, is a step towards sustainable development.
Help for interpretation
The number of known invasive alien species depends in particular on the effort made with regard to observations. Data are currently only available for plants.
Other countries (e.g. Germany, Norway) keep black lists of invasive species from different taxonomic groups. Standardised classification criteria have not been defined up to now, hence the comparability of the lists is limited.
The indicator shows the number of known invasive alien plant species. Invasive alien species are non-native species, introduced intentionally or not, which take hold and spread into new habitats, thus harming native species and ecosystems. Data come from the National Data and Information Center on the Swiss Flora (Info Flora). They are based on detection reports and are not recorded systematically.
Swiss target 15.8: People and the environment are not harmed by alien species and there is no negative impact on biological diversity, ecosystem services and their sustainable use. The spread of invasive alien species is halted and their further introduction is prevented.
International target 15.8: By 2020, introduce measures to prevent the introduction and significantly reduce the impact of invasive alien species on land and water ecosystems and control or eradicate the priority species.
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