Paper > Paper > WT300 tracking of the foraging movement of Streaked Shearwaters(Calonectris leucomelas) breeding on Sasu Island, korea

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  WT300 tracking of the foraging movement of Streaked Shearwaters(Calonectris leucomelas) breeding on Sasu Island, korea
  Writer : KOECO     Date : 16-04-04 09:47     Count : 1310    
   streaked_shearwaters_grop_presentation_20160325.pdf (5.4M), Down : 33, 2016-04-04 09:47:07

WT300 tracking of the foraging movement of Streaked Shearwaters(Calonectris leucomelas) breeding on Sasu Island, korea

 

Jong-Seong Son, Ki-Baek Nam & Jeong-Chil Yoo

The korea Institute of Ornithology, Department of Biology, College of Sciences, Kyung Hee University Seoul 130-171, Korea

 

Procellariforms have a species-specific life history, with breeding concentrated at a relatively small number of islands, coupled with central-place foraging strategies involving long and short distance movement over the sea. The duration of foraging trip in breeding seabirds is affected by characteristics of available feeding habitat in the marine environment, which in turn generate inter-colony difference in the patterns of nest attendance. In the study, we used Wild Tracker GPS device(WT300; 356314mm, >27g, Korea) to investigate the exact flight pattern and foraging performance of Streaked Shearwaters breeding in Sasu Island, South Korea, during the chick-rearing season, from early August to early November 2015. We observed over 70 breeding individuals in burrows from incubation the chick-rearing period and attached devices(WT300) to six breeding individuals, in order to collect information of their behavior and location. In the study, we found that three individuals repeatedly performed foraging trip, including searching for prey and resting on the water surface, over several hundred kilometers. The breeding individual foraging areas were identified to the northwest, and more diffusely to the southwest to the colony.

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