Current Status and Importance of Grus vipio Coming to Hangang Estuary

This study was conducted to understand the arrival trends of Grus vipio, which wintered in the Hangang estuary, from October to March next year from 2004 to 2008. During four wintering periods, the number of individuals of Grus vipio arriving at the estuary was average 507.5±10.8 (n=4). The arriving sites were Seongdong IC and Janghang IC. Seongdong IC was a stopover while Janghang IC was a final destination for wintering. In Seongdong IC, 424.3±149.4 (n=4) individuals on average arrive while 153.8±63.3 (n=4) individuals arrive at Janghang IC. The number of individuals arriving at the Hangang estuary accounts for 8.6 percent of the living total and 2.0 percent of the total wintering individuals.