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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.27, no.2, 2009³â, pp.155-163
¸ÔÀÌ ¹Ðµµ¿Í ¼ö½É¿¡ µû¸¥ Ȳ»õ(Ciconia boyciana)ÀÇ ¼·½Ä Çൿ¿¡ ´ëÇÑ »ç·Ê¿¬±¸
( A Case Study on Foraging Behavior of Oriental White Storks (Ciconia boyciana) in the Variation of Prey Density and Water Depth )
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The Oriental white stork (Ciconia boyciana) is an endangered species in Korea as well as in the world. In order to provide information on foraging habitats for releasing storks to the wild, we studied the foraging behavior of the species according to different food densities and water levels. We released two individuals, male and female, after enclosing a study site with a fence and cutting out a part of two or three primary feathers. Research was conducted from 20 June to 16 August 2008 at Whawon-ri, Mewon-myung, Chungcheongbuk-do, South Korea. We investigated habitat patch usage, foraging efficiency, and foraging methods of the feeding individuals in the different food densities and water levels. The storks invested more for foraging time and trials, and they captured more food in a habitat of high food density than others. The female invested more time and captured food most in a habitat of lowest water depth while the male in a habitat of middle water depth. However, foraging efficiency did not differ significantly among habitats of food density and water depth, and only differed between male and female by ways of foraging method. From this study we suggest that the storks select foraging habitats and foraging methods under different conditions of food density and water depth.
 
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Ciconia boyciana;foraging behavior;food density;water depth;
 
ȯ°æ»ý¹° / v.27, no.2, 2009³â, pp.155-163
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200919061725453)
¾ð¾î : Çѱ¹¾î
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