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Sampling inspection to prevent the invasion of alien pests: statistical theory of import plant quarantine systems in Japan
Author(s) -
Yamamura Kohji,
Katsumata Hajime,
Yoshioka Junji,
Yuda Tatsuya,
Kasugai Kenji
Publication year - 2016
Publication title -
population ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 59
eISSN - 1438-390X
pISSN - 1438-3896
DOI - 10.1007/s10144-015-0521-2
Subject(s) - quarantine , alien , sampling (signal processing) , biology , sample (material) , international trade , ecology , business , computer science , law , telecommunications , political science , chemistry , chromatography , detector , politics , citizenship
The establishment of appropriate import quarantine systems is the best known method for preventing the unintentional introduction of invasive alien pests. However, quarantine systems are sometimes judged as non‐tariff barriers against trade by the World Trade Organization. The construction of a common scientific theory for quarantine systems is thus extremely important to prevent invasion without causing international conflict. We explain several statistical theories that have been adopted in import plant quarantine systems in Japan. Quarantine systems include three major components: (1) import sampling inspection, (2) early detection procedures, and (3) emergency control. We first explain the principle of risk management that was commonly adopted in these components. Then, we explain the method for calculating the required sample size in the import sampling inspection. We then explain hierarchical sampling inspection for detecting alien pests inside Japan. We further explain the theory for declaring the eradication of invasive alien pests as an emergency control. Actual examples of quarantine actions against the invasion of plum pox virus disease and citrus huanglongbing are discussed.