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철원지역에서 월동하는 두루미와 재두루미의 서식밀도모델
Distribution Model of the Wintering Red-crowned Crane and White-naped Crane in Cheorwon, Korea
유승화 ( Seung Hwa Yoo ) , 이기섭 ( Ki Sup Lee ) , 김화정 ( Hwa Jung Kim ) , 허위행 ( Wee Haeng Hur ) , 김진한 ( Jin Han Kim ) , 박종화 ( Chong Hwa Park )
생태와 환경 47권 4호 282-291(10pages)
UCI I410-ECN-0102-2015-400-002216923

This study was conducted to make distribution model of the Red-crowned Crane and the Whitenaped Crane according to the anthropogenic and natural factors affecting distribution of crane in Cheorwon, Korea. It was investigated that the impact power and its range of the indirect anthropogenic influence to feeding flock density in cranes from the road, residential area, military facilities, civilian control zone (CCZ), greenhouse and natural influence such as roosting site and available feeding area. Available feeding area is the most important factor for the crane`s feeding site selection. The feeding flock density of the cranes near the residential area was lower than that of area far from the area, and tended to increase within 2.5 km distance. The increasing tendencies of feeding flock density from military facilities and high traffic volume road were similar, but the density in military facilities increased within 800 m, and the density from high traffic volume road increased within 2 km. These results suggested that residential area, military facilities and the road with high traffic volume had significant effect on foraging densities to the certain range. As the distance from the road with low traffic volume and roosting site increased, feeding flock density tended to decrease. The density of Red-crowned crane and White-naped crane inside the CCZ were respectively higher than those of outside the CCZ, especially for the Red-crowned crane. As a result, density of Red crowned cranes inside the CCZ was 5.2 times higher than that of outside, while that of white-naped cranes was 2.2 times bigger. If the density of greenhouse is lower than 40 km-2, crane`s feeding flock density in the low greenhouses density area was higher than that of high greenhouses density area. However, there was no difference in the feeding flock density if the density of the green houses is higher than 40 km-2. The model for the Red-crowned Crane was related with available feeding area, distance from residential area, civilian control zone and distance from high traffic road. The model of the White-naped Crane was related with available feeding area, distance from roosting site and distance from lake. Finally, the estimated feeding flock density of cranes significantly correlated with density model according to the natural and anthropogenic factors.

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