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INNS, Borders and Biosecurity – Responding to an Intensifying Threat
Paul Walton
Responding to an Intensifying Threat Paul Walton CBD Hierarchical - - PowerPoint PPT Presentation
Responding to an Intensifying Threat Paul Walton CBD Hierarchical - - PowerPoint PPT Presentation
INNS, Borders and Biosecurity Responding to an Intensifying Threat Paul Walton CBD Hierarchical Approach Prevention Early detection and Rapid response Control Efforts to mitigate invasions have not been effective enough to keep up
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Control
Early detection and Rapid response
Prevention
CBD Hierarchical Approach
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‘Efforts to mitigate invasions have not been effective enough to keep up with increasing globalization’
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The main negative pressures on designated features on protected sites in Scotland.
data c/o SNH, accurate as of March 2019
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Where are we?
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Aichi Target 9
- By 2020, invasive alien species and
pathways are identified and prioritized;
- Priority species are controlled or
eradicated and;
- Measures are in place to manage
pathways to prevent their introduction and establishment
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Ponto-Caspian INNS
- 23 freshwater species native to Black/Caspian/Azov seas
- Moving across Europe facilitated by people moving gear between
waterbodies
- The species coexist successfully – to exclusion of natives
- 90% of benthic macroinvertebrate biomass in some German rivers
Patrick Steinmann – Invert sample from Lake Zurich
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Armon R.H., Zenetos A. (2015) Invasive Alien Species and Their Indicators. In: Armon R., Hänninen O. (eds) Environmental Indicators. Springer, Dordrecht
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