Predicting Disparity between ASF-Managed Areas and Wild Boar Habitats: A Case of South Korea

Author:

Ko Chanwoo1ORCID,Ko Dongwook W.2,Cho Wonhee3ORCID

Affiliation:

1. Department of Forest Resources, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea

2. Department of Forest, Environment, and Systems, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea

3. Industry Academic Cooperation Foundation, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea

Abstract

African swine fever (ASF) is a highly contagious viral disease affecting both domestic and wild boars. Since its first outbreak in South Korea in 2019, substantial efforts have been made to prevent ASF transmission by reducing the wild boar population and eliminating infected carcasses; however, the persistence of ASF transmission has posed challenges to these efforts. To improve ASF management strategies, the limitations of current management strategies must be identified by considering disparities between wild boar habitats and ASF-managed areas with environmental and anthropogenic characteristics of wild boars and their management strategies. Here, ensemble species distribution models were used to estimate wild boar habitats and potential ASF-managed areas, with elevation, distance to urban areas, and Normalized Difference Vegetation Index as important variables. Binary maps of wild boar habitats and potential ASF-managed areas were generated using the maxSSS as the threshold criterion. Disparity areas of ASF management were identified by overlying regions evaluated as wild boar habitats with those not classified as ASF-managed areas. Dense forests near urban regions like Chungcheongbuk-do, Gyeongsangbuk-do, and Gyeongsangnam-do were evaluated as disparity areas having high risk of ASF transmission. These findings hold significant potential for refining ASF management strategies and establishing proactive control measures.

Funder

National Research Foundation of Korea

Korea Forest Service

Publisher

MDPI AG

Subject

General Veterinary,Animal Science and Zoology

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4. Fischer, M., Hühr, J., Blome, S., Conraths, F.J., and Probst, C. (2020). Stability of African Swine Fever Virus in Carcasses of Domestic Pigs and Wild Boar Experimentally Infected with the ASFV “Estonia 2014” Isolate. Viruses, 12.

5. Lee, S.H., Kim, Y.J., Lee, S.H., Lee, E.H., Park, J.J., Park, K.H., Sunwoo, S.Y., and Lee, J.G. (2020). A Study on Improvement Plan for Establishing a Farm Level ASF Control Strategies, Gyeonggi Research Institute. (In Korean).

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