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http://dx.doi.org/10.17663/JWR.2013.15.2.251

Environmental factors affecting roost use of shorebirds in the southern Kanghwa Island, Republic of Korea  

Kim, Kwan Mok (Department of Biology, Kyung Hee University)
Moon, Young Min (Department of Biology, Kyung Hee University)
Yoo, Jeong Chil (Department of Biology, Kyung Hee University)
Publication Information
Journal of Wetlands Research / v.15, no.2, 2013 , pp. 251-264 More about this Journal
Abstract
There are some factors affecting the shorebirds in selecting a coastal inland roost site where they have to stay during the high tide when the entire intertidal zone is covered with water. We investigated eight species (Eastern Curlews Numenius madagascariensis, Green Shanks Tringa nebularia, Bar-tailed Godwits Limosa lapponica, Grey Plovers Pluvialis squatarola, Dunlins Calidris alpine, Whimbrels Numenius phaeopus, Eurasian Curlews Numenius arquata and Terek Sandpipers Xenus cinereus) to identify the spatial and temporal variability in coastal inland roost use in the area and the factors influencing the use. We considered the area and length of the standing water in the roost site, temperature, wind speed, the time of migration and the intensity of disturbance. As a result, number of individuals and type of species using the roost site varied across spatial and temporal scales. And the factors affecting the roost use was species-specific. The roost site of the study area was a closed shrimp farm however, it has been converted to a Salicornia herbacea, a salt marsh plant, farm recently. In a situation where coastal inland roost site is needed, we hereby describe a resolution for the juxtaposition of shorebirds and farming.
Keywords
coastal inland roost; conservation; EAAF; Kanghwa Island; roost site shorebirds; stopover site;
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