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A Regional Decision Support Scheme for Pest Risk Analysis in Southeast Asia.

T Soliman¹, A MacLeod², J D Mumford³

¹Department of Biological Sciences, National University of Singapore, Singapore, Republic of Singapore.

Risk Analysis : an Official Publication of the Society for Risk Analysis

|February 27, 2016

Summary

This study proposes adapted pest risk analysis (PRA) methods for Southeast Asia, addressing regional challenges like biodiversity and limited expertise. These new approaches aim to improve plant protection and phytosanitary responses in the face of biological invasions.

Keywords:

Biosecurity protocol expert elicitation expert evaluation invasive alien species

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Area of Science:

Phytosanitary risk assessment
Plant protection strategies
Biological invasions

Background:

Pest risk analyses (PRA) are crucial for plant health regulations but are often conducted nationally, despite the transboundary nature of biological invasions.
Limited national capacity for PRA in some Southeast Asian countries can lead to inadequate phytosanitary responses, risking plant resources.
Existing PRA schemes may not adequately address the unique characteristics of Southeast Asian countries.

Purpose of the Study:

To review existing PRA decision support schemes.
To propose new PRA methods tailored to the specific conditions of Southeast Asia.
To enhance phytosanitary responses and support plant protection authorities in the region.

Main Methods:

Formal written expert elicitation survey to identify and rate unique regional traits relevant to PRA.
Expert elicitation workshop with plant protection officials to verify the applicability of developed methods.
Review of existing PRA decision support schemes and international phytosanitary standards.

Main Results:

Identified key challenging Southeast Asian traits: rich biodiversity, shortage of trained personnel, social vulnerability, tropical climate, agriculture-dependent economies, high land-use change rates, and implementation difficulties for risk management.
Developed adapted PRA methods emphasizing local conditions.
Verified potential applicability of the developed methods with regional plant protection officials.

Conclusions:

The proposed PRA methods are designed to support authorities in Southeast Asia by emphasizing local conditions.
These methods can facilitate the development of PRA schemes in other low- and middle-income tropical countries.
Improved PRA capacity can strengthen regional plant health and mitigate risks from international trade.