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Risk Assessment and Prioritisation for Invasive Species
John Kelly
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Overview
• Aims of RA process • Overview of methodology • Preliminary results• Pathway and vector management - which are
already covered by COP/Legislation/Education and awareness, which are not being managed at all?
• Implications for Ireland - species, pathways, new challenges
• What actions are needed? ISI plans, gaps and needs
• Next steps
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What is Invasive Species Risk Assessment?
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High RiskDefine Management
Priorities
ISAPs
Prevent further invasion, if appropriate
Recorded species
Risk Assessment
Medium Risk
Define Management Priorities
ISAPs/Guidance
Prevent further invasion, if appropriate
Low Risk
Re-evaluate in future, if required
High RiskDevelop exclusion
strategies
Monitor for incursion
Develop response capabilities
Medium Risk
Consider exclusion strategies
Monitor for incursion
Develop response capabilities
Potential species
Low Risk
Re-evaluate in future, if required
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Sources of information
Recorded species list
• National Biodiversity Data Centre
• CEDaR• Quercus report• Global Invasive
Species Database– Ireland
• Biochange Database
Potential species list
• GB Non-Native Species Secretariat
• Quercus report• EPPO Priority List• Global Invasive
Species Database– GB, France, Germany,
Netherlands• JNCC Marine Invaders
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Basic Informatio
n
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Habitat Informatio
n
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Pathways and
Vectors
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Risk Assessmen
t
Current Distribution
Expanding range
Invasive History
Spread Potential
Availability of suitable habitats
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Risk Assessmen
t
Conservation Goals
Plant and/or Animal Health
Human Health
Economy
Management
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Risk Summary
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Results
• Preliminary results available• Ranked lists emerging• Developing Risk Communication Tools• Habitats• Pathways and Vectors
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Frequency of Scores: Recorded Species
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 260
5
10
15
20
25
30
35
40
TerrestrialMarineFreshwater
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Uncertainty: Traffic Light System
Red – High degree of uncertainty in the assessment. Very little documented evidence to support assessment.
Amber – Reasonable degree of confidence but more reliance on expert opinion.
Green – High degree of confidence in in the assessment. Reliance on documented evidence.
Uncertain – Probable – Expert Opinion - Documented
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Current distribution
Expanding range
Invasive history
Facilitated spread
Widespread habitats
Impact on conservation goals
Plant or animal health impact
Human health impact
Economic impact
Management difficulty
0.0
0.2
0.4
0.6
0.8
1.0
Harmonia axyridis risk profile
Current distribution
Expanding range
Invasive history
Facilitated spread
Widespread habitats
Impact on conservation goals
Plant or animal health impact
Human health impact
Economic impact
Management difficulty
0
0.5
1
Myriophyllum aquaticum risk profile
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Frequency of Scores: Potential Species
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 260
5
10
15
20
25
30
35
40
TerrestrialMarineFreshwater
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Proximity of donor regions
Occurance in similar climate
Realistic pathway of unintentional introduction
Realistic pathway of intentional introduction
Availibility of suitable habitats
Impact on conservation goals
Plant or animal health impact
Human health impact
Economic impact
Management difficulty
0
0.5
1
Thaumetopoea processionea risk profile
Proximity of donor regions
Occurance in similar climate
Realistic pathway of unintentional introduction
Realistic pathway of intentional introduction
Availibility of suitable habitats
Impact on conservation goals
Plant or animal health impact
Human health impact
Economic impact
Management difficulty
0
0.5
1
Dikerogammarus villosus risk profile
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Shippin
g (ballast
wat
er a
nd sed
imen
ts)
Canals
Hortic
ulture
(plants
)
Aquacultu
re/m
aricu
lture
pro
ducts
Other
impor
ts
Fish
eries
Boatin
g/wat
er spor
ts
Angling
Unregula
ted in
tentio
nal re
leas
e
Scientifi
c re
sear
ch V
ecto
r of
Spread
Wat
erway
s m
ainte
nance
Esca
pe fro
m cap
tivity
Natura
l disp
ersa
l
Other
(give
details)
0
5
10
15
20
25
Unintentional Pathway/Vectors for High and Medium Risk Freshwater Species
Pathways of Introduction Freshwater Vectors of Spread
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Other emerging trends
• Pet species• Unregulated release is still an issue• Biosecurity• Guidance on keeping non-natives• Engagement with the Early Warning Network
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A lot done, more to do
• Codes of Practice– Water Users– Aquaculture– Horticulture– Marina Operators
• Invasive Species Action Plans• Promote existing and forthcoming legislative
provisions– All stakeholders!!
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Public Awareness
Be Pet Wise
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Further considerations
• What species are coming into Ireland and Northern Ireland?– No central database– No central organisation providing guidance
• Constantly changingRecorded species Potential species
• Climate change• No clear ‘home’ for species found in houses
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Next Steps
• Finalise and Review all Risk Assessments• Publish results• Prevent incursion of high risk species• Promote Biosecurity• Early Warning
– Recording