지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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The spotted seal Phoca largha a primary marine mammal found along the Korean coast, exhibits a seasonal migration pattern between breeding and feeding areas. In this study, population fluctuations of spotted seals were analyzed around Baengnyeongdo Island, Korea, from 2016 to 2021. Field surveys were conducted at two major haulout sites, Mulbeom rocks and Yeonbong rocks, during low tide between April and November of each year. The results indicate that the highest number of spotted seals was observed in summer, particularly in August or September. Mulbeom rocks consistently accommodated more spotted seals than Yeonbong rocks, suggesting that it is a more suitable haulout site for the spotted seals. The recorded population was approximately 200 spotted seals, showing a slight decrease when compared with previous surveys conducted in 2000–2002 and 2006–2008. This decline could be attributed to overhunting and habitat degradation. Fluctuations in the number of spotted seals could also be influenced by short-term factors such as weather conditions. Further research incorporating drone surveys and photo-identification will improve our understanding of population dynamics and support conservation measures for spotted seals in this region.
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