Invasive alien species and the SDGs - University of...

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16/03/2018 1 Invasive alien species and the SDGs Ross Shackleton (Unil) What are invasive alien species Negative and positive effects for people and the environment

Transcript of Invasive alien species and the SDGs - University of...

Page 1: Invasive alien species and the SDGs - University of Lausannewp.unil.ch/jbge/files/2018/03/ODD-15_Shackleton-R... · HUBERT SAUPER . Leg end prosopis distribution Of density classes

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InvasivealienspeciesandtheSDGs

RossShackleton (Unil)

Whatareinvasivealienspecies

Negativeandpositiveeffectsforpeopleandtheenvironment

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Casestudy1:NileperchinLakeVictoria

Primarily costs Costsandbenefits Primarily benefits

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Casestudy2:InvasiveagroforestryandforestrytreesinSouthAfrica

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Prosopis covers10mha(potential ofupto30-50mha)ofSouthAfrica– Currentlymorethan double thesizeofSwitzerland

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Primarily costs Benefits andCosts Primarilybenefits

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Casestudy3:Parthenium (famineweed)inAfricaandAsia

Primarily costs Costsandbenefits Primarily benefits

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Complexity

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Futureneeds/solutions

• Biosecurity

• Riskassessments

• Integratedcontrol,considering theroleofbothbenefitsandcosts• Utilization• Ecosystemrestoration – WorkingforWater(amodel???)

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Riskassessment

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WorkingforWater(WFW)

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