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  Home-Range of Mallard and Spot-billed Duck in Korea
  Writer : KOECO     Date : 16-06-16 16:01     Count : 1488    
   2016-Home-Range_of_Mallard_and_Spot-billed_Duck_in_Korea.pdf (684.7K), Down : 26, 2016-06-16 16:01:27

Home-Range of Mallard and Spot-billed Duck in Korea


Abstract

Mallard and Spot-billed ducks that are typical wintering water birds use the wide rice field in the center of the water system as a wintering ground. I try to figure out the daily movement distance from Home-Range to wintering ground for mallard and spot-billed ducks in Mangyunggang, Dongjingang where located in central region. In 2015 wintering period by using a Cannon-net, I attached WT-300 to 5 mallard and 5 spot-billed ducks. Daily movement distance is an overall average 0.89, the largest distance was 31.09. Daily movement distance of mallard was 0.97km, the largest distance was 28.78km. Daily movement distance of Spot-billed ducks was 0.80km, the largest distance was 33.39km. Home-Range analysis is used by the SHP files that is compatible with GIS and ArcGIS 9.0 Animal Movement Extension, it was analyzed using the Minimum Convex Polygon Method (MCP) and the Kernel Density Estimation (KDE). The behavior rights of two kinds of ducks was 490.34 by Minimum Convex Polygon Method (MCP) (SD = 311.20 N = 10), an important habitats Kernel Density Estimation (KDE 50%) was 42.24. Home-Range of Mallard (MCP) was 568.02, it is wider than home-range (MCP) of spot-billed duck 397.13 relatively, the core habitats of mallard is 53.05, it is wider than mallard’s core habitats(KDE 50%) 29.26 relatively.



Korean J. Environ. Ecol. 30(2): 165-172, April 2016


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