학술논문 > 자연과학 > 수학 (자료번호 : H13375178)
The status of Cinereous Vulture Aegypius monachus on Jeju Island for 15 years - - 자연과학 > 수학
재료 및 방법
결과 및 고찰
The Cinereous Vulture is the endangered species which is usually found in Europe and Asia. We need to collect various information because the change of inhabited environment affected negatively this bird. We conducted this survey, using the citizen-scientific method as well as observation. We gathered the records of observation throughout Jeju Island from November 2002 to December 2016. The Cinereous Vultures were found throughout Jeju Island from the Mt.Songak located at the western part of Jeju Island and to Hado-ri located at the eastern part of Jeju Island. Their advents were concentrated in the Jeju City located at the northern part of Jeju Island. The highest concentration of them was in the middle area of mountain where the pasture and grassland exist widely. This study proposed that most of sixteen vultures arrived in Jeju Island in 2002 went out across the ocean and two or three vultures remain present. We confirmed that the individuals arriving in 2002 had the appearances of adult in 2008, through the photos of appearance of the early, the middle and the latter stage of arriving. The rescued individual in 2012 was a subadult. We suggested that the survey about this individual regarding to the inhabitat pattern and the breeding should be carried out.
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