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야생화분매개곤충 분포 모형을 활용한 과수원 수분 서비스 위험도 평가
고인수 ( Koh In-su ),최혜영 ( Choe Hye-yeong ),권혁수 ( Kwon Hyuk-soo ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2020 한국환경복원기술학회지 Vol.23 No.6
Wild pollinators provide important pollination services for crops. However, their geographical ranges and impact on pollination services have not been fully explored within the scope of Korean agricultural land. This study aims to identify spatial supply-demand mismatches across orchard fields in the context of assessing pollination service risk. We first used National Ecosystem Survey data and a species distribution model (MaxEnt) to develop the geographic range of each of 32 wild pollinators belonging to three families (Diptera, Hymenoptera, and Lepidoptera). We then summed the modeled presence probability of each species to obtain a measure of spatially explicit pollinator richness. This modeled richness, defined as pollination supply, was compared with the summed area of orchard fields at the municipal boundary level to identify areas with supply-demand mismatches. The study found that Lepidoptera showed the highest species richness (8.3±1.5), followed by Hymenoptera (4.3±0.8) and Diptera (3.5±0.8) species. Median orchard area was 1.5 ㎢ (range of 0-176.7 ㎢) among 250 municipal regions in South Korea. The municipal regions were divided into three categories (tertiles) of low, middle, and high pollination supply and demand according to, respectivley, average polliator richness and orhard area. Finally, we found that 55 municipal regions (accounting for 49% of national orchard land) potentially faced high risk of pollination deficits, 81 regions (48% of national orchard land) faced intermediate risk, and 63 regions faced low risk (3% of national orchard land). In conclusion, this study revealed significant mismatch between pollination supply and demand and developed risk assessment map will guide our future efforts on pollinator habitat conservation and monitoring to conserve crop pollination services.
클라우드 기반 HCI의 사용의도에 영향을 미치는 요인에 관한 연구 - 공제조합을 중심으로
고인수(In-Soo Koh),한경석(Kyeong-Seok Han),박대우(Dae-Woo Park),이상신(Sang-Shin Lee),정수용(Soo-Yong Jung) 한국디지털콘텐츠학회 2020 한국디지털콘텐츠학회논문지 Vol.21 No.4
Recently, and as a cloud-based emerge a variety of services, it has attracted attention of its cloud-based HCI. Therefore, it is important to know the current intention of using cloud-based HCI. The purpose of this study was to investigate the factors affecting the usage intention of cloud-based HCI centered on mutual aid. To this end, the cloud-based HCI characteristics were selected, and a research model was constructed using the UTAUT model. To verify this research model and research hypothesis, an empirical survey was conducted on the employees of the Mutual Association using cloud-based HCI. Through this, we verified what factors influenced the intention of using cloud-based HCI in the mutual aid association.
무인점포 키오스크 관리품질이 지속이용의도에 미치는 영향에 관한 실증적 연구
한상웅(Sang-Ung Han),한경석(Kyeong-Seok Han),권태현(Tae-Hyun Kwon),고인수(In Soo Koh),안용준(Yong-Jun An) 한국디지털콘텐츠학회 2020 한국디지털콘텐츠학회논문지 Vol.21 No.4
This study was conducted by empirical analysis to find out the intention to continuously use unmanned store kiosks. The independent variables of unmanned store kiosk management quality were divided into service quality and system quality. The empathy, responsiveness and reliability of service quality were selected for convenience and flexibility in system quality. Expected match and satisfaction were finally selected using the expected match theory. A total of 204 people were used by distributing questionnaires to targets using unmanned store kiosk management services. As a result of the analysis, empathy, reliability, convenience, and flexibility had a positive effect on expectations, and sympathy, reliability, and convenience factors had a positive effect on satisfaction. Finally, it was verified that expectations and satisfaction had a positive effect on the intention to use.