- KOREAN
- P-ISSN2287-8327
- E-ISSN2288-1220
- SCOPUS, KCI
ISSN : 2287-8327
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Evaluation of Winter Barley Fields as Feeding Habitat for Waterfowl in the Dongup Reservoir System, Korea
Abstract
As a Biodiversity Management Plan in S. Korea, barley fields are being prepared for the winteringmigratory birds. However, the effectiveness of barley fields as a feeding habitat has not been evaluated. In 2003/04 wintering period, we installed exclosures in the barley fields to evaluate the waterfowl grazing effectiveness. Approximately 8,000 waterfowls used the Dongup Reservoir System and utilized the barley fields during the daytime. The white-fronted goose Anser albifrons occupied more than 90% of the all barley-feeding waterfowls. Waterfowls significantly impacted to the shoot density and biomass of barley. In the closed plot, 2in January, 2004. Shoot density in open plots (site 1) declined sharply from 15 December (18918/m2) to 5 January 2004 (2511/m2). However, barley shoot density in open plots (site 2) was stable in January 2004 because of human disturbances. The changes in barley biomass and shoot density showed similar trend in both open and closed plot. From the exclosure experiment, it was clear that barley fields were important feeding habitat for wintering waterfowls in this area. Further, human disturbances such as noise from traffic and other human activities (farming and hiking) had significant impact on waterfowls grazing activity. Collectively, winter barley fields were effective for waterfowl feeding, but the
- keywords
- Barley fields, Dong-up Reservoir, Waterfowl, White-fronted gooseLee, Chan-Woo et al. J. Ecol. Field Biol. 29 (2) 166Nakdong River. This wetland is one of the most important win-tering waterbirds habitats in S. Korea (Cultural Heritage Admini-stratio, Barley fields, Dong-up Reservoir, Waterfowl, White-fronted gooseLee, Chan-Woo et al. J. Ecol. Field Biol. 29 (2) 166Nakdong River. This wetland is one of the most important win-tering waterbirds habitats in S. Korea (Cultural Heritage Admini-stratio
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