Journal
BIOSCIENCE
Volume 60, Issue 5, Pages 349-362Publisher
AMER INST BIOLOGICAL SCI
DOI: 10.1525/bio.2010.60.5.5
Keywords
biological invasions; biosecurity; ecological niche models; climate change; pest risk assessment
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Funding
- National Research Initiative of the US Department of Agriculture Cooperative State Research, Education, and Extension Service [2005-35605-15403]
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Pest risk maps are powerful visual communication tools to describe where invasive alien species might arrive, establish, spread, or cause harmful impacts. These maps inform strategic and tactical pest management decisions, such as potential restrictions on international trade or the design of pest surveys and domestic quarantines. Diverse methods are available to create pest risk maps, and can potentially yield different depictions of risk for the same species. Inherent uncertainties about the biology of the invader, future climate conditions, and species interactions further complicate map interpretation. If multiple, maps are available, risk no-wagers must choose how to incorporate the various representations of risk into their decision making process, and may make significant errors if they misunderstand what each map portrays. This article describes the need for pest risk maps, compares pest risk mapping methods, and recommends future research to improve such important decision-support tools.
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