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The London Invasive Species Initiative. Joanna Heisse – joanna.heisse@environment-agency.gov.uk Biodiversity Officer May 2011. Introduction. Why the group was set up What the group is about How the group operates When action will begin Your involvement. Invasive species issues in London.

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the london invasive species initiative

The London Invasive Species Initiative

Joanna Heisse – joanna.heisse@environment-agency.gov.uk

Biodiversity Officer

May 2011

introduction
Introduction
  • Why the group was set up
  • What the group is about
  • How the group operates
  • When action will begin
  • Your involvement
invasive species issues in london
Invasive species issues in London

Natural environment under pressure

Heavily built environment and infrastructure

High risk of new and emerging species appearing – commercial port, 5 airports and large markets

Source of invasive species

Invasive species can be emotive

Greater potential for inconsistent approaches to management

the london invasive species initiative4
The London Invasive Species Initiative
  • Network under the London Biodiversity Partnership – 26 organisations to date
  • Encourages collaborative working and co-ordination of existing resources.
  • Follows a national framework and guidance.
  • Relevant to London’s unique environmental resource.
objectives and achievements to date
Objectives and achievements to date

Data

Action plans

Facilitating action

Linking research and practice

Early warning system

Awareness raising

Species selection

GIGL - Data

Instigating projects

species selection
Species selection
  • Established methodology trialled by Natural England in Norfolk and Cumbria.
  • Compiled from existing lists of recognised invasive non-native species
  • 64 species:
    • 43 plants – 15 wetland and freshwater species
    • 21 animals – 14 aquatic species
  • Split into 5 categories
  • Added to GIGL data searches and reports
high risk species not present in london
High risk species not present in London
  • Look to raise awareness, prevent establishment and respond rapidly to new records.
  • 8 species

Photo courtesy of Phase4 Environmental Limited

Killer shrimp – Dikerogammarus villosus

slide8

GBNNSS

© J. Haxaire

Asian hornet – Vespa velutina

American bullfrog – Rana catesbiana

Carolina water-shield – Cabomba

caroliniana

RPS Group

high risk species present at specific sites
High risk species present at specific sites
  • Should be priorities for management or eradication
  • Possible eradication in London
  • 19 species- mixed

Pale galingale – Cyperus eragrostis

Water primrose - Ludwigia grandiflora

widespread species in need of large scale action
Widespread species in need of large scale action
  • High impact species which will require concerted and widespread effort to tackle
  • Need for action plans and effective collaboration
  • 11 species

Floating pennywort on the river Wandle

additional categories
Additional categories
  • Widespread species where eradication is unfeasible – e.g.: Chinese mitten crab and crayfish
  • Species where there was insufficient data or evidence to categorise – e.g.: Foxglove tree and curly water thyme
  • Species not currently considered a risk but in need of ‘watching briefs’ – e.g.: water-hyacinth and passion flower.

Chinese mitten crab

Passion flower

how we plan to work
How we plan to work
  • Re-direct existing resources
  • Collaboration and synergy
  • Quick wins
  • Linking to volunteer groups
  • Providing training, support and technical advice
  • Linking to national campaigns
  • Collation of data and evidence
  • Potential future LISI coordinator
what you should do to help
What you should do to help
  • Think about the resource you can bring. eg: Officer time, links to volunteer groups, action on the ground, championing a species, piloting new management approaches, funding.
  • Focus and prioritise local action in line with LISI
  • Report achievements to LISI
  • Share data with GIGL
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Thank you

Questions?

Joanna Heisse – joanna.heisse@environment-agency.gov.uk