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Global Actions for Managing Cactus Invasions.

Ana Novoa1,2,3, Giuseppe Brundu4, Michael D Day5

  • 1Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa. novoa.perez.ana@gmail.com.

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Summary
This summary is machine-generated.

Cactus invasions pose a global threat, with hotspots in Australia, South Africa, and Spain. The Global Cactus Working Group (IOBC GCWG) recommends risk assessment, early intervention, biological control, and public engagement to manage invasive cacti.

Keywords:
Cactaceaebiological controlearly detection and eradicationimpactspreventionpublic awarenesspublic engagement

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Area of Science:

  • Ecology
  • Invasive Species Management
  • Botany

Background:

  • The Cactaceae family includes numerous damaging invasive alien plant species globally.
  • Invasive cacti are significant ecological and economic threats, particularly in Australia, South Africa, and Spain.
  • International collaboration is crucial for effective management of these invasive species.

Purpose of the Study:

  • To establish international collaboration for managing invasive cacti.
  • To identify and recommend key actions to limit the impacts of cactus invasions worldwide.
  • To propose a framework for regulating invasive and potentially invasive cacti.

Main Methods:

  • An online survey was conducted among experts.
  • A comprehensive review of scientific and grey literature was performed.
  • Expert knowledge from the Global Cactus Working Group (IOBC GCWG) authors was utilized.

Main Results:

  • Five risk categories are proposed to aid in regulating invasive cacti.
  • Recommendations include early physical or chemical treatment of invasions.
  • Biological control is advocated for widespread invasive cactus populations.
  • Public awareness and engagement initiatives are encouraged for integrated management.

Conclusions:

  • Effective management of invasive cacti requires global cooperation.
  • The IOBC GCWG aims to facilitate this cooperation through information dissemination.
  • A multi-faceted approach involving regulation, early intervention, biological control, and public engagement is essential.