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http://dx.doi.org/10.5141/JEFB.2005.28.1.045

The Role of Jungrangchun for a Wintering Waterbirds in Hangang  

Kim, Mi-Ran (Korean Institute of Ornithology, Kyunghee University)
Lee, Yun-Kyung (Korean Institute of Ornithology, Kyunghee University)
Ahn, Ji-Young (Korean Institute of Ornithology, Kyunghee University)
Kim, In-Hong (Korean Institute of Ornithology, Kyunghee University)
Yoo, Jeong-Chil (Korean Institute of Ornithology, Kyunghee University)
Publication Information
The Korean Journal of Ecology / v.28, no.1, 2005 , pp. 45-53 More about this Journal
Abstract
Urban stream is an important place supporting urban ecosystem. This study was carried out to clarify the role of Jungrangchun for wintering waterbirds in Seoul. We monitored the fluctuation of waterbirds population using our census data (1997/98 winter) and pervious census data (the Ministry of Environment and National Institute of Environmental Research $1999{\sim}2004$). Wintering behaviours of common teals (Anas crecca) were also observed to understand the habitat use of waterbirds in this area. As a result of this, Jungrangchun was an important place to support $3,004\sim8,237$ wintering birds, mainly dabbling ducks and diving ducks. The population of diving ducks showed high annual fluctuation whilst the population of dabbling ducks regularly used this area every year The maximum number of waterbirds foraged and rested in late January and late February. In daily use, the number of waterbirds increased on afternoon and rapidly increased after sunset. It is assumed that waterbirds used this area not only as a nocturnal feeding site but also daytime feeding site. Thus, this result suggest that Jungrangchun is important for not only the daily use but also the nocturnal use of wintering waterbirds. The number of diving ducks was increased with low temperature and high wind speed. Therefore, this area was also a shelter of diving ducks on chilly and windy day.
Keywords
Common teals; Hangang; Jungrangchun; Population waterbirds; Wintering habitat;
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