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http://dx.doi.org/10.13047/KJEE.2019.33.5.497

Study of Asiatic Black Bear(Ursus thibetanus ussuricus) Hibernation Day and Temperature Distribution  

Kim, Jeong-Jin (Faculty of science education major in biology education, Jeju National Univ.)
Jung, Dae-Ho (National Park Institute for Biodiversity Conservation, Korea National Park Service)
Kim, Tae-Wook (National Park Institute for Biodiversity Conservation, Korea National Park Service)
Byun, Yoon-Seop (National Park Institute for Biodiversity Conservation, Korea National Park Service)
Lee, Sa-Hyun (National Park Institute for Biodiversity Conservation, Korea National Park Service)
Oh, Hong-Shik (Faculty of Science Education and Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University)
Publication Information
Korean Journal of Environment and Ecology / v.33, no.5, 2019 , pp. 497-505 More about this Journal
Abstract
Winter hibernation in wildlife is a unique physiological mechanism for survival. For Asiatic black bears (ABBs, Ursus thibetanus ussuricus), hibernation is a very important but dangerous time for the cubs to be born. This study surveyed ABBs living in Mt. Jiri To examine the relationship between the temperature during hibernation and the hibernation days. The survey found that the average start and end dates of hibernation was December 7 and April 20, respectively. The average day of hibernation for females who gave birth was $167.8{\pm}22.6$ days. The average temperature of 5 days before hibernation was $0.6{\pm}4.1^{\circ}C$, the average temperature during hibernation was $1.3{\pm}2.43^{\circ}C$, and the average temperature of five days before the end of hibernation was $12.6{\pm}3.1^{\circ}C$. The hibernation days of the females that did not give birth to cubs and the males were $120.4{\pm}25.7$ days and $113.6{\pm}25.8$ days, respectively. The average temperatures of 5 days before hibernation was $2.1{\pm}4.2^{\circ}C$ and $-1.8{\pm}3.9^{\circ}C$, respectively. The average temperature during hibernation was $-0.2{\pm}1.6^{\circ}C$ and $-0.4{\pm}2.4^{\circ}C$. The average temperatures of five days before the end of hibernation were $7.8{\pm}3.6^{\circ}C$ and $7.8{\pm}4.4^{\circ}C$. These results indicate that females giving birth to cubs have higher hibernation days and average temperatures than the females that do not give birth and the males, which is due to the process of raising cubs during hibernation. The hibernating days and mean temperature for the groups in each lifecycle did not show any difference between the groups. This study is meaningful in that it disclosed the characteristics of hibernating intrinsic behaviors of ABBs. It observed the specific hibernation period and temperature of ABBs bears inhabiting in Mt. Jiri and examined the difference by sex, female(giving birth) and life cycle group according to temperature. The results of this study can be used to prevent the conflict between ABBs and humans in winter and spring and establish the preservation management plan.
Keywords
ASIATIC BLACK BEAR; HIBERNATION; WILDLIFE ANIMAL; CONSERVATION; AUTOMATED WEATHER STATION;
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Times Cited By KSCI : 1  (Citation Analysis)
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