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A NEURAL NETWORK MODEL FOR PREDICTING ATLANTIC HURRICANE ACTIVITY
Kwon, Ohseok,Golden, Bruce 한국경영과학회 1996 한국경영과학회 학술대회논문집 Vol.- No.2
Modeling techniques such as linear regression have been used to predict hurricane activity many months in advance of the start of the hurricane season with some success. In this paper, we construct feedforward neural networks to model Atlantic basin hurricane activity and compare the predictions of our neural network models to the predictions produced by statistical models found in the weather forecasting literature. We find that our neural network models produce reasonably accurate predictions that, for the most part, compare favorably to the predictions of statistical models.
Ohseok Kwon National Institute of Ecology 2023 국립생태원회보(PNIE) Vol.4 No.4
The intricate relationship between species and their ecosystems has been a focal point of ecological research for decades. With the advent of big data and artificial intelligence, we are now able to explore this relationship with unprecedented depth and precision. This review delves into the transformative role of these technologies in ecological research, emphasizing their potential to enhance our understanding of species-ecosystem linkages.
Future prospects and development strategies of insect industry for food and feed in Korea
Kwon Ohseok 한국곤충학회 2022 Entomological Research Vol.52 No.8
In the last two decades, there was a sharp increase of utilizing insects as a biological resource. In Korea especially, the insect industrialization developed rapidly in relation to the governmental legislation on the utilization of insect resources. This review provides the future prospects and development strategies of the insect industry for food and feed in Korea.
N-Glycan Analysis of Recombinant Human Erythropoietin Produced by Different Cell Culture Methods
Ohseok KWON,Seonyeong BAK,Miseop CHOI,Keunjun KIM,Kyungju HAN,Youngjun SEO,Gihyun KIM,Kyungtak NAM,Jusun NAM,Youngeun KIM,Gisuk JUNG,Kyungmin BAEK,Sookyung SUH,Seunghwa HONG 한국생물공학회 2008 한국생물공학회 학술대회 Vol.2008 No.10
Report on the current status of Korean jewel beetle, Chrysochroa coreana (Coleoptera: Buprestidae)
Kwon, Ohseok The Ecological Society of Korea 2013 Journal of Ecology and Environment Vol.36 No.1
The current status of Korean jewel beetle, Chrysochroa coreana is reported from the data collected in the five-year field survey (2008-2012). Despite the previous assumption of its endangered status, the beetle was recently found in the southwestern part of Korea frequently. However the local population was suffering from the inadequate management of its host plants, Celtis sinensis Persson. This study reports the restoration possibility of the beetle by the adequate management of its host plants.
Kwon, Soon Jik,Kim, Tae Geun,Park, Youngjun,Kwon, Ohseok,Cho, Youngho The Ecological Society of Korea 2015 Journal of Ecology and Environment Vol.38 No.4
This study was performed to provide important basic data for the preservation and management of Scopura laminata, a species endemic to Korea, by elucidating the spatial characteristics of its present, potential, and future distribution areas. Currently, this species is found in the Odaesan National Park area of South Korea and has been known to be restricted in its habitat due to its poor mobility, as even fully grown insects do not have wings. Utilizing the MaxEnt model, 20 collection points around Odaesan National Park were assessed to analyze and predict spatial distribution characteristics. The precision of the MaxEnt model was excellent, with an AUC value of 0.833. Variables affecting the potential distribution area of S. laminata by more than 10% included the range of annual temperature, seasonality of precipitation, and precipitation of the driest quarter, in order of greatest to least impact. Compared to the current potential distribution area, no significant difference in the overall habitable area was predicted for the 2050s or 2070s. It was, however, demonstrated that the potential habitable area would be reduced in the 2050s by up to 270.3 km from the current area of 403.9 km; further, no potential habitable area was anticipated by the 2070s according to our predictive model. Taken together, it is anticipated that this endemic species could be significantly affected by climate changes, and hence effective countermeasures are strongly warranted for the preservation of habitats and species management.
The Current status of the cooperative research on the biodiversity in North-East Asia
Kwon, Ohseok The Ecological Society of Korea 2015 Journal of Ecology and Environment Vol.38 No.1
In this paper, the cooperative research on the biodiversity conservation in North-East Asia is introduced. This research was initiated by National Institute of Biological Resources (NIBR) in 2012. The bilateral MOU and following MOA had been signed between NIBR and National University of Mongolia (NUM) in 2012, whereas those had been signed between NIBR and Institute of Zoology, Chinese Academy of Science (IOZ, CAS) in 2013. Details of the cooperative research based on those were presented.
Soon Jik Kwon,Tae Geun Kim,Youngjun Park,Ohseok Kwon,조영호 한국생태학회 2015 Journal of Ecology and Environment Vol.38 No.4
This study was performed to provide important basic data for the preservation and management of Scopura laminata, a species endemic to Korea, by elucidating the spatial characteristics of its present, potential, and future distribution areas. Currently, this species is found in the Odaesan National Park area of South Korea and has been known to be restricted in its habitat due to its poor mobility, as even fully grown insects do not have wings. Utilizing the MaxEnt model, 20 collection points around Odaesan National Park were assessed to analyze and predict spatial distribution characteristics. The precision of the MaxEnt model was excellent, with an AUC value of 0.833. Variables affecting the potential distribution area of S. laminata by more than 10% included the range of annual temperature, seasonality of precipitation, and precipitation of the driest quarter, in order of greatest to least impact. Compared to the current potential distribution area, no significant difference in the overall habitable area was predicted for the 2050s or 2070s. It was, however, demonstrated that the potential habitable area would be reduced in the 2050s by up to 270.3 km from the current area of 403.9 km; further, no potential habitable area was anticipated by the 2070s according to our predictive model. Taken together, it is anticipated that this endemic species could be significantly affected by climate changes, and hence effective countermeasures are strongly warranted for the preservation of habitats and species management.