unravelling the ecology of non-native species to inform ... species to inform european strategy...
TRANSCRIPT
![Page 1: Unravelling the Ecology of Non-native Species to Inform ... Species to Inform European Strategy Helen Roy ... (common myna) Chrysemys picta ... (Red Imported Fire Ant)](https://reader031.vdocuments.us/reader031/viewer/2022011801/5add5ec67f8b9a595f8cc416/html5/thumbnails/1.jpg)
Helen Roy
Unravelling the Ecology of
Non-native Species to Inform
European Strategy
Helen Roy
Helen Roy and many more International Conference on Aquatic Invasive Species
Fort Lauderdale, Florida, 22-26 October 2017
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Researchers on the move…85 STSMs
Thanks to Frances Lucy, Elena
Tricarico and Kath Turvey
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Climate and invasion = deadly duo?
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Date
INNS cost Europe
>12 billion € / year
(based on documented impact of 125 IAS out of over thousand considered as invasive in Europe)
Importance of “big data”
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Unravelling patterns of invasion
Early et al (2016) Nature Communications DOI: 10.1038/ncomms12485
Intr
od
ucti
on
Esta
blis
hm
en
t
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Chapman D, Purse B V, Roy H E, Bullock J M. Global trade networks determine the distribution of invasive non-native species. Global Ecology Biogeography 2017;00:1–11.
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Global Action Against Aquatic Invasive Species
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Informing the new European Regulation
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A system to address invasive alien species should be
underpinned by a centralised information system collating the
existing information on alien species in the Union and
allowing access to information on the presence of species,
their spread, their ecology, invasion history and all other
information necessary to underpin policy and management
decisions and allowing also the exchange of best practices.
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Predicting invasions through horizon scanning
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Developing the list of IAS of Union concern
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Transport Introduction Establishment Spread
Prevention Eradication
Containment Mitigation
Managem
ent
Invasio
n
Sta
ge
Min
imum
sta
ndard
s 1. Basic species description and overview
2. Likelihood of invasion
3. Likelihood of invasion
4. Assessment of introduction pathways
5. Assessment of impacts on
biodiversity and ecosystems
6. Assessment of impact
on ecosystem services
7. Assessment of socio-
economic impacts
8. Consideration of status (threatened or protected) of
species or habitat under threat
10. Data limitations
11. Documents information sources
12. Provides a summary in a consistent and
interpretable form
13. Includes uncertainty
14. Includes quality assurance
Minimum standards for risk assessment
• Evidence for ecosystem service impacts
• Consideration of climate change
• Socio-economic benefits
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Prioritising species for risk assessment
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Meet the species
Acridotheres tristis (common myna)
Chrysemys picta (Painted turtle)
Gambusia affinis (Western Mosquitofish)
Lampropeltis getula (common kingsnake)
Limnoperna fortunei (Golden Mussel)
Orconectes rusticus (Rusty Crayfish)
Solenopsis invicta (Red Imported Fire Ant)
Trichosurus vulpecula (Common brushtail possum)
Plotosus lineatus (Striped catfish)
Arthurdendyus triangulatus (New Zealand Flatworm
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LIFE15 PRE FR 001
Mitigating the threat of invasive alien plants to the EU through pest risk
analysis to support the Regulation 1143/2014
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Grappling with impacts
"...a novel standardised method for classifying alien taxa in terms of the magnitude
of their impacts on human well-being, based on the capability approach from
welfare economics. The core characteristic of this approach is that it uses changes
in people's activities as a common metric for evaluating impacts on well-being..."
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Assessment of socio-economic impacts
Noise effects trade of property - Hawaii
Eleutherodactylus coqui
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Assessing impacts
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Understanding impacts to inform indicators
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Time to think about pathogens…
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Where are all the microbes?
The list excluded garden plants, cultivated
crops, pests of stored crops, human
parasites and pests of human habitation
unless they were thought likely to be found
in the wild. Microorganism (with the
exception of a small number of
marine phytoplankton) and
macrofungi were also not included.
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Invasions and wildlife disease
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Conservation Letters
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Prioritising pathways for prevention
Aesculapian snake Zamenis longissimus
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Mapping pathways
Other alien species High-impact IAS
a) Taxonomic groups
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Plants n=458
Verteb. n=1633
Inverteb. n=191
Algae n=10
Fungi n=6
Other n=17
Pe
rcen
tag
e o
f sp
ec
ies
intentional unintentional both
0
20
40
60
80
100
Plants n=35
Verteb. n=31
Inverteb. n=24
Algae n=2
Fungi n=3
Other n=4
Pe
rcen
tag
e o
f sp
ec
ies
intentional unintentional both
b) Environments
Other alien species High-impact IAS
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terrestrial n=64
freshwater n=13
marine n=6
multiple n=16
Pe
rc
en
tag
e o
f s
pe
cie
s
intentional unintentional both
0
20
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terrestrial n=840
freshwater n=638
marine n=478
multiple n=355
Pe
rc
en
tag
e o
f s
pe
cie
s
intentional unintentional both
Saul et al. (in press)
Journal of Applied
Ecology
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Variation in the importance of pathways
Essl et al. (2015) Crossing frontiers in
tackling pathways of biological
invasions. Bioscience: biv082
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Surveillance and monitoring invasions
Harmonia axyridis
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Engaging people in surveillance and monitoring
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Biological record
Database
Expert verifier
Record verified? No Yes
Stakeholders
informed
Action
Alien Alerts
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Asian hornet – arrived September 2016
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Citizen science and alien species
For many countries, the efficiency of invasion monitoring can be improved by inclusion into pre-
existing biodiversity monitoring schemes. Countries may capitalize on citizen
science, as well as emerging online and remote technologies in data
capture to improve records of invasions. For all countries the goal should be to
provide at regular intervals (at least every five years) alien species occurrence data corresponding
to their maximum level of resolution, be it for the national inventory, priority sites, spatial extent, or
the national distribution of occurrence of a priority set of taxa.
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Embedding citizen science in research
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Summary
• Importance of
global
collaborations
• Sharing information
• Engaging people
• Predicting
invasions
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INVASIVESNET Website – About page
http://www.invasivesnet.net/about/about_history/