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Spatially explicit model applied to pine wilt disease dispersal based on host plant infestation

Author

Listed:
  • Nguyen, Tuyen Van
  • Park, Young-Seuk
  • Jeoung, Chang-Sik
  • Choi, Won-Il
  • Kim, Yong-Kuk
  • Jung, Il-Hyo
  • Shigesada, Nanako
  • Kawasaki, Kohkichi
  • Takasu, Fugo
  • Chon, Tae-Soo

Abstract

Pine wilt disease is a serious pest for pine trees in many countries, especially in Asia (e.g., South Korea, Japan, China and Taiwan). In this study, we characterised dispersal patterns (e.g., direction and area) of pine wilt disease in the southern part of Korea in four-year period based on the cross-correlation function. The most likely distance of the highest infestation probability after one year is around 1.2km from the disease source according to the distribution of pairwise distance. Subsequently, a spatially explicit model was developed in two dimensions by incorporating biological and environmental events, including influence of infested neighbourhoods, short- and long-distance dispersal, asymptomatic carriers and typhoon. The model results were in good agreement with field data when evaluated using the receiver operating characteristics and pair-correlation functions. Asymptomatic carrier played an important role in the spread of PWD. The infestation probabilities based on the spatially explicit model provided the map of spatial conformations that would be effective in addressing disease occurrence in both local and global aspects.

Suggested Citation

  • Nguyen, Tuyen Van & Park, Young-Seuk & Jeoung, Chang-Sik & Choi, Won-Il & Kim, Yong-Kuk & Jung, Il-Hyo & Shigesada, Nanako & Kawasaki, Kohkichi & Takasu, Fugo & Chon, Tae-Soo, 2017. "Spatially explicit model applied to pine wilt disease dispersal based on host plant infestation," Ecological Modelling, Elsevier, vol. 353(C), pages 54-62.
    • Handle: RePEc:eee:ecomod:v:353:y:2017:i:c:p:54-62
    DOI: 10.1016/j.ecolmodel.2016.10.022
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    References listed on IDEAS

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    1. Lee, Sang Dong & Park, Sohyun & Park, Young-Seuk & Chung, Yeong-Jin & Lee, Buom-Young & Chon, Tae-Soo, 2007. "Range expansion of forest pest populations by using the lattice model," Ecological Modelling, Elsevier, vol. 203(1), pages 157-166.
    2. Kizaki, Shinya & Katori, Makoto, 1999. "A stochastic lattice model for locust outbreak," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 266(1), pages 339-342.
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