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A Study on Spatial Sampling of Domestic Wild Bird Migrate Habitats for Monitoring HPAI

Pak Son Il 1 문운경 2 Woo-Seog Jeong 2 Lee, Gyoung-ju 3

1강원대학교
2농림축산검역본부
3한국교통대학교

Accredited

ABSTRACT

Highly Pathogenic Avian Influenza (HPAI) is an acute infectious avian disease, showing high fatality rate close to almost 100%. Since 2003, we have experienced five extensive wave of HPAI outbreaks which caused enormous economic losses. Therefore, strong monitoring and surveillance efforts have been made nationally toward detecting the HPAI outbreak as quickly as possible and taking immediate actions to minimize the consequent costs. Since the bird migration route is assumed to be the primary cause of HPAI outbreak in Korea, random samples of migratory wild birds have been taken persistently targeting for domestic migrate habitats for quickly detecting HPAI virus. However, it is assumed that samples taken from adjacent geographic locations may have similar information due to spatial autocorrelation and this needs to be accounted for in the sampling process. This study intends to develop spatial sampling methodology in which similarity in sample information derived from geographic adjacency and the consequent spatial autocorrelation is systematically explained. The methodology was empirically applied for selecting sample habitats among the 196 major habitats of migratory birds, and lastly we discuss some important aspects of the spatial sampling outcomes. The methods presented are illustrated with real data.

Citation status

* References for papers published after 2022 are currently being built.