Invasive species

Invasive species

Thanks to international trade and benefiting from changing climate conditions certain invasive species have spread explosively. This process is encouraged by the climate change and anthropogenic generated habitats.

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  (6 articles)
The invasive Asian longhorned beetle

An information sheet outlines the life cycle and significance of two non-native longhorned beetles, explains how to differentiate between them and native species, and sets out ways to combat infestation.

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Invasive Neophytes in the Forest

In Switzerland more and more alien plant species are making an appearance in the forests. When these species escape into the wild, and appear in large numbers, they can eliminate indigenous species, cause economic damage or affect people’s health.

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The oriental chestnut gall wasp has reached the Ticino

In May 2009 the oriental chestnut gall wasp (Dryocosmus kuriphilus), which originates from China, was discovered in the Canton Ticino. This is the first time this invasive species has been observed in Switzerland.

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Eyes open for an, as yet, unknown pest: the Citrus Longhorned Beetle 

For quite a while now the Asian and the Citrus Longhorned Beetles have been heading the international insect quarantine list. In 2006, an adult Citrus Longhorned Beetle and a larva of the same species were discovered in Switzerland.

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New plant and animal species – enrichment or threat to our forests?

It happens more and more often that new plant and animal species are involuntarily or artificially brought into new living spaces. This often has surprising effects. The forest as one of the most important cultivated surfaces in Germany is highly affected by such processes.

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A dangerous beauty with toxic fibres – the Giant Hogweed

The Giant Hogweed is one of the most famous plants whose importation turned out to be quite problematic. For solving these problems, the "Landesbund für Vogelschutz" offers some advice based on its own experience.

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  (6 articles)
Heading image: Ulrich Wasem