Plant invasions research in Latin America: Fast track to a more focused agenda

Mark R. Gardener, Ramiro O. Bustamante, Ileana Herrera, Giselda Durigan, Vânia R. PivelloVâ, Marcelo F. Moro, Alexandra Stoll, Bárbara Langdon, Zdravko Baruch, Adriana Rico, Alicia Arredondo-Nuñez, Saúl Flores

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

While many developed countries have invested heavily in research on plant invasions over the last 50 years, the immense region of Latin America has made little progress. Recognising this, a group of scientists working on plant invasions in Latin America met in Chile in late 2010 to develop a research agenda for the region based on lessons learned elsewhere. Our three main findings are as follows. (1) Globalisation is inevitable, but the resultant plant introductions can be slowed or prevented by effective quarantine and early intervention. Development of spatially explicit inventories, research on the invasion process and weed risk assessments can help prioritise and streamline action. (2) Eradication has limited application for plants and control is expensive and requires strict prioritisation and careful planning and evaluation. (3) Accepting the concept of novel ecosystems, new combinations of native and introduced species that no longer depend on human intervention, may help optimise invasive species management. Our vision of novel ecosystem management is through actions that: (a) maintain as much native biodiversity and ecosystem functionality as possible, (b) minimise management intervention to invasives with known impact, and (c) maximise the area of intervention. We propose the creation of a Latin American Invasive Plants Network to help focus the new research agenda for member countries. The network would coordinate research and training and establish funding priorities, develop and strengthen tools to share knowledge, and raise awareness at the community, governmental and intergovernmental levels about the social, economic and environmental costs of plant invasions.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalPlant Ecology and Diversity
Volume5
Issue number2
DOIs
StatePublished - Jun 2012

Bibliographical note

Funding Information:
In response to the perceived lack of focus on plant invasion in Latin America, a targeted symposium entitled ‘Invasive plants in Latin America: current diagnosis, causes and consequences’ was held at the 10th Congress of the Latin American Botanical Society in La Serena, Chile in October 2010. The objective of the symposium was to assess the state of invasive plant science in Latin America and determine ways forward through a network of interested researchers. We thank the Institute of Ecology and Biodiversity, University of Chile for partial support of this symposium. Marcelo Freire Moro thanks the Fundação de Amparo à Pesquisa do Estado de São Paulo for their support. We also thank Mandy Trueman and Rachel Atkinson for reviewing drafts of this manuscript and Louise Morin and Charlotte Causton for reviewing the content on biological control. This publication is contribution number 2031 of the Charles Darwin Foundation for the Galapagos Islands.

Keywords

  • Weed Risk Assessment
  • control
  • eradication
  • globalisation
  • inventories
  • novel ecosystems
  • plant invasions
  • quarantine

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