genovesi ias management usavereds · cf fcontrol of invasive alien species for conservation...
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I A SINVASIVE ALIEN SPECIES:IMPACTS AND MANAGEMENT STRATEGIES AT THE INTERNATIONAL LEVEL
Piero GenovesiISPRA
Chair IUCN SSC Invasive Species Specialist GroupGroup
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MAJOR DRIVER OF BIODIVERSITY LOSS
Causes of extinctions globallyMAJOR DRIVER OF BIODIVERSITY LOSS
Changes of natural systems
UrbanisationUrbanisation
Causes of extinctions globally
Harvest
Pollution
Changes of natural systems
Mammals
Modification of natural systems
Pollution
Overharvest
Agriculture/aquaculture
Climate chang
HarvestBirds
Reptiles
Amphibians
Plants
OverharvestClimate changes
Agriculture/aquaculture
0 10 20 30
Invasive Species
g q Plants
Invasive Species
Bellard et al. 2016. Biol. Lett.
30 40 50 60 70 8090
100
Source: IUCN Red List; N=247
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Comprehensively assessed groups (>150 spp)
IUCN Red List v 2016.3
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Comprehensively assessed groups (>150 spp)
IUCN Red List v 2016.3
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Comprehensively assessed groups (>150 spp)
16.2% of extinctions are driven by y
invasive alien species ONLY
40.5% of extinctions areextinctions are driven by invasive alien species +
th th t43% of
other threatsextinctions are driven by other
threatsIUCN Red List v 2016.3
threats
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HABITATS HABITATS
% of threatened species impacted by invasive alien species by habitat:% of threatened species impacted by invasive alien species by habitat:
IUCN Red List v 2016.3
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HABITATS
% of EX/EW species impacted by invasive alien species by habitat:
HABITATS
% of EX/EW species impacted by invasive alien species by habitat:
IUCN Red List v 2016.3
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THREATENING GLOBAL PROTECTED AREAS
Current threats affecting WH sites (number of sites)
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ISLANDSISLANDS
• Islands occupy∼5 5% of the globe5.5% of the globe but contain >15% of terrestrial species, 61% of all recentlyextinct species, and 37% of all critically37% of all criticallyendangered species.
Bellard et al. 2016. Biol. Lett.
Source: IUCN Red List; N=134
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IMPACT ON SPECIESIMPACT ON SPECIES
• Aeolian wall lizard Podarcis• Aeolian wall lizard, Podarcisraffonei5 small populations; latest data• 5 small populations; latest data suggest that the largest population decreased by 80% inpopulation decreased by 80% in a few years, due to hybridisation with the Sicilian wall lizardwith the Sicilian wall lizard,
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IMPACT ON ECOSYSTEMS AND LIVELIHOODIMPACT ON ECOSYSTEMS AND LIVELIHOOD
• Beaver introduced in Tierra del• Beaver introduced in Tierra del Fuego, established in over 7 Mlnhectareshectares
• Prosopis invading large areas of Africa, limiting access to land
• Water hyacinth impacting t t d t taccess to water and transport,
and spreading malaria
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AFFECT OUR HEALTHAFFECT OUR HEALTH
• More than 100 known cases of invasive species with effects on health
• Pathogens, parasites, vectors of pathogens, producing toxins, allergenic,pathogens, producing toxins, allergenic, direct attacks or bites, indirect effects on other invasive species with impact onother invasive species with impact on health, etc.
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AFFECT OUR HEALTHAFFECT OUR HEALTH
Tiger mosquitoTiger mosquito • transmits 20 pathogens, including
Dengue West Nile ChikunguniaDengue, West Nile, Chikungunia
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CAUSE HUGE ECONOMIC LOSSESCAUSE HUGE ECONOMIC LOSSES
Europep€ Eradication/control
€ Damage to infrastructure€ Damage to infrastructure
€ Damage to agriculture and forestry
€ Fishing
€ Human health
€ Research, prevention, monitoring, etc> € 12.5 billions/year; probably > 20b
Kettunen, Genovesi, et al. 2008. Report for European Commission. IEEP
y ; p y
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Hoffmann & Broadhurst. 2016. NeobiotaKettunen, Genovesi et al. 2008. IEEP
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CAUSE HUGE ECONOMIC LOSSESCAUSE HUGE ECONOMIC LOSSES
• analysis of almost1 300 known invasive1,300 known invasive insect pests and pathogens; totalpathogens; totalpotential cost of thesespecies invading eachspecies invading eachof 124 countries of the worldworld
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Threat to agriculture – future invasion cost
Total potential cost to agriculture of IAS globally
Paini et al. 2016. PNASKew. 2017. State of the Worlds Plants
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Threat to agriculture – future invasion cost
Total potential cost to agriculture of IAS by country
Paini et al. 2016. PNAS
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Threat to agriculture – future invasion cost
Total potential cost of IAS to agriculture as % of GDP
Paini et al. 2016. PNAS
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PROTECTING BIODIVERSITY SAFEGUARDS LIVELIHOODPROTECTING BIODIVERSITY SAFEGUARDS LIVELIHOOD
Total Ecological Economic impacts impacts
Aquatic marine 1076 134 12.45% 114 10.59%Aquatic inland 486 139 28.60% 107 22.02%Birds 172 46 26.74% 78 45.35%T t i l i t b t 584 126 21 58% 180 30 82%Terrestrial invertebrates 584 126 21.58% 180 30.82%Terrestrial mammals 112 55 49.11% 67 59.82%Terrestrial plants 6135 841 13.71% 745 12.14%
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No saturation• Annual rate of first records
worldwideis still increasing both inis still increasing, both in mainland and on islands
Seebens H, Blackburn TM, Dyer E, Genovesi P et al. (2017). Nature Comm. 1–9.
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How many potential y pinvaders?
• First records in new areas
Seebens H, Blackburn TM, Dyer E, Genovesi P et al. (2018). PNAS. 115, 10
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15% 1% 7% 16% 1% 13%
Seebens H, Blackburn TM, Dyer E, Genovesi P et al. (2018). PNAS. 115, 10
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SYNERGY WITH CLIMATE CHANGE
Increased impactsIncreased impacts• Europe, N America, Oceania
S t i• Some taxonomic groups
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EMERGING CHALLENGES
Loss of Arctic sea ice, Movement of commodities, Port development, Tourism and cruise ships, C i l fi hi A lt C t ti f l d i li H ll f liCommercial fishing, Aquaculture, Construction of overland pipelines, Hull fouling …
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Pathway trends – shipping arctic passages
•Opening of NW & NE passages
tti di t f E•cutting distance from Europe to Asia by 1/3
Lloyds et al. 2013. Global marine trends 2030
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doublePathway trends - tourism double between 2010 to 2030
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>doublePathway trends – e-commerce >double between 2015 to 2020
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HOW TO RESPOND?HOW TO RESPOND?
CBD guiding principlesCBD guiding principles• Prevention as the first
li f d fline of defence• Early detection rapid
response• Eradication when feasible• Permanent management
when appropriatewhen appropriateDecision VI/23 on Alien Species that threaten ecosystems, habitats and species; COPVI, The Hague, April 2002
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CBD STRATEGIC PLAN 2011 2020CBD STRATEGIC PLAN 2011-2020
Target 9: By 2020, invasive alien species andTarget 9: By 2020, invasive alien species and pathways are identified and prioritized, priority species areprioritized, priority species are controlled or eradicated, and measures are in place to managemeasures are in place to manage pathways to prevent their introduction and establishment
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3%T9 Progress
– 3%
– 48%
On track
– 48%Insufficient
RSPB et al. 2016
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Pergl J, Genovesi P, Pysek P (2016) Europe: Better management of alien species. Nature, 531, 173.
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New Zealand, the “champion”BIOSECURITY POLICIES
, p
• Very stringent biosecurity• Reduced rate of invasions• Effective early warning rapid response• Advanced management for several key
IAS• Worldwide champions in eradication
science
Simberloff et al. 2013. TREE
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BIOSECURITY CAN REDUCE INVASION RATES
Ed B t l 2018 Bi l IEdney-Browne et al. 2018. Biol. Inv. Establishment patterns of non-native insects in New Zealand
Seebens et al. 2018. Nature Communications
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Norway (outside EU)INCREASING N OF BIOSECURITY POLICIES
y ( )• Royal Decree 19 June 2015, entered into force 1 January 2016; regulating
import of all species. Ban on import, trade and release/planting of severalalien speciesalien species.
• All imports of live species and release/planting need a permit issued by the environment authorities, unless they are listed on the exemption list.
• Permits only issued after a screening and risk assessment
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IcelandINCREASING N OF BIOSECURITY POLICIESIceland • new Nature Conservation Act recently entered into force. Importation permit
required for any living organism. Based on a risk assessment. G l b f ll ti th t th d f ti i• General ban of all actions that can cause the spread of non-native organismswithin the country.
• The Environment Agency of Iceland has the power to control and/or eradicate g y pIAS.
• List of species that can not be imported to Iceland (or spread within Iceland). The minister can also publish a list of species that can be imported withoutThe minister can also publish a list of species that can be imported withoutpermission (white list).
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PRIORITIZATION TO ENHANCE BIOSECURITYPRIORITIZATION TO ENHANCE BIOSECURITY
McGeoch, M.A., Genovesi P. et al., 2015. Biological Invasions.
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PATHWAYS OF ARRIVALPATHWAYS OF ARRIVAL
Standard categorization of pathwaysStandard categorization of pathways
• Developed by IUCN SSC ISSG within the GIASIP i ll b i i h CEH d CABIGIASIP, in collaboration with CEH and CABI, inputs from CBD Secretariat
• Tested with major global databases, mapped toward CBD decisions
• CBD COP decision includes invitation to ISSG to “ continue and complete the work on pathway”..continue and complete the work on pathway
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ANALYSIS OF PATHWAYSANALYSIS OF PATHWAYS
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ASSESSING THE IMPACT OF IAS
• IAS 3rd most severe impact on threatened species in Europe
ASSESSING THE IMPACT OF IAS
• IAS 3rd most severe impact on threatened species in Europe• 1 out of 5 threatened species in Europe directly affected by IAS
Genovesi et al. 2015. Mid-term review EU Biodiversity Strategy
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Toward a standard method
RANKING INVASIVE SPECIES BY THEIR IMPACT
Toward a standard method
• Presented in a paper by Blackburn et al PLOS 2014Blackburn et al. PLOS 2014
• Detailed guide to application in Hawkins et al 2015 Div & Distr.
• COP XII Decision 17: Invites IUCN ISSG to complete the work th d t ti t d l t f l if i IASpathways, and to continue to develop a system for classifying IAS
based on the nature and magnitude of their impacts
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COP Decision XIII/13; 17…Also requests the Executive Secretary… (a) To compile y ( ) pinformation on the potential consequences of invasive alien species on social, economic and cultural values..;
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PRIORITISING ACTIONCombining data on the most relevant pathways and on the most harmful IAS can enhance
PRIORITISING ACTION
prioritization of action
• Aggregating pathways and invasive specie ranks can penhance prioritization of prevention and pmanagement actions
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ASSESSING PRIORITY REGIONSIAS and Red List data to define the most vulnerable regions
ASSESSING PRIORITY REGIONS
Spatial distribution of the proportion of IAS threatened species among other threats
Bellard, Genovesi, Jeschke 2016. Proc Royal Soc Lon B
Spatial distribution of the proportion of IAS-threatened species among other threats.
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ERADICATION: AN EXTREMELY SUCCESSFUL CONSERVATION TOOL
• 825 populations of 329 species on 284 islands d t d di t d t b fitdocumented or predicted to benefit
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GLOBAL ERADICATIONS FOR SANITARY PURPOSES
• Two major diseases (smallpox, rinderpest virus) eradicatedrinderpest virus) eradicated
• Eradication of two other diseases (polio and dracunculiasis) close to completionp
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During the 2016 IUCN World Conservation Congress in Honolulu, call for greater action on invasive alien species in order to protect biodiversity and human wellbeingwellbeing.
“For this aim to be achieved we need to multiply efforts” p y
Braulio Dias (Exec Sec CBD) & Piero Genovesi L‐R: Steve Cranwell ‐ Birdlife International, Karen Poiani ‐ Island Conservation Andy Sheppard CSIRO (Australia) Piero Genovesi Braulio Dias (Exec Sec. CBD) & Piero Genovesi
(IUCN ISSG chair) launching the Honolulu Challenge
Conservation, Andy Sheppard ‐CSIRO (Australia), Piero Genovesi ‐ IUCN ISSG, Key Booth ‐ Dept. Conservation New Zealand & Federico A. Méndez Sánchez ‐GECI Mexico
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Commitments toward the Honolulu ChallengeThe UK Government commits to spending £2.75 million on
i i i O T i i d l
Commitments toward the Honolulu Challenge..
assisting its Overseas Territories to develop comprehensive biosecurity for invasive non‐native species as well as making a substantial contribution to gthe eradication of mice from Gough Island to save the critically endangered Tristan albatross and Gough bunting as well as other threatened speciesas well as other threatened species.
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THE PREDATOR FREE VISION
All t d t lid t b di t d f N
THE PREDATOR FREE VISIONOfficially endorsed by NZ Government in 2016
•All possums, rats and mustelids to be eradicated from New Zealand by 2050
•The estimated cost is c.$3 billion, including Government and private funding
•Predator Free 2050 Ltd has been established to contribute to funding, support and planning
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GENE DRIVE
GGene-editing tools, based on technologies (e.g.: CRISTPR C 9) hCRISTPR-Cas9) that are relatively cheap and easy to use
Publications: Scopus; Patents: The Lens
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GENE DRIVE
GGene-editing tools, based on technologies (e.g.: CRISTPR C 9) hCRISTPR-Cas9) that are relatively cheap and easy to use
Publications: Scopus; Patents: The Lens
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GENE DRIVE
Potential applications of gene drive:C b i di h l iCombating diseases such as malaria, dengue and the Zika virus, which
f h 17% f llaccount for more than 17% of all infectious diseases, and cause more th 1 illi d th llthan 1 million deaths annually. Malaria alone is estimated to cost Af i t i USD $12 billi /African countries USD $12 billion/yr.
Hammond et al. 2016. Nature Biotechnology, 34:78-83.
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GENE DRIVE
C f fControl of invasive alien species for conservation purposes being investigated: invasive mosquitoes in Hawaii, European
i A li i h i i f C d icarp in Australia, removing the toxicity of Cane toads in Australia…Based on current progress, products ready for field testing may be 5 years out. Time to consider the important questions of regulation, risk assessment, ethics, and engagement, and to prepare for , , g g , p passessing an actual application.
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ThankThankyou!you!
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