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ICT 기반 이중 적외선 센서를 이용한 꿀벌 출입 자동 모니터링 시스템
손재덕(Jae Deok Son),임수호(Sooho Lim),김동인(Dong-In Kim),한기윤(Giyoun Han),Rustem Ilyasov,Ural Yunusbaev,권형욱(Hyung Wook Kwon) 한국양봉학회 2019 韓國養蜂學會誌 Vol.34 No.1
Honey bees are a vital part of the food chain as the most important pollinators for a broad palette of crops and wild plants. The climate change and colony collapse disorder (CCD) phenomenon make it challenging to develop ICT solutions to predict changes in beehive and alert about potential threats. In this paper, we report the test results of the bee-counting system which stands out against the previous analogues due to its comprehensive components including an improved dual infrared sensor to detect honey bees entering and leaving the hive, environmental sensors that measure ambient and interior, a wireless network with the bluetooth low energy (BLE) to transmit the sensing data in real time to the gateway, and a cloud which accumulate and analyze data. To assess the system accuracy, 3 persons manually counted the outgoing and incoming honey bees using the video record of 360-minute length. The difference between automatic and manual measurements for outgoing and incoming scores were 3.98% and 4.43% respectively. These differences are relatively lower than previous analogues, which inspires a vision that the tested system is a good candidate to use in precise apicultural industry, scientific research and education.
소나무림내 인위적 간섭에 따른 딱정벌레류 곤충 군집의 초기 변화에 관한 연구
노승진 ( Seung Jin Roh ),손재덕 ( Jae Deok Son ),전준형 ( Jun Hyoung Jeon ),배관호 ( Kwan Ho Bae ),김현섭 ( Hyun Seop Kim ),박상욱 ( Sang Wook Park ),변봉규 ( Bong Kyu Byun ) 한국환경생태학회 2015 한국환경생태학회지 Vol.29 No.4
This study was carried out to investigate the changing pattern of forest insect communities in 2013 after harvesting of forest in 2012, and provide a basic data for the method of efficient management for preservation of forest biodiversity. Five types of cutting method in pine tree forest were selected to compare the coleopteran insect communities at Hajang-myeon, Gangwon-do, Korea, in 2013. In this study, we investigated the effects of timber harvest with green-tree retention on coleopteran insects. They were sampled with Lindgren funnel traps for five experimental sites during July to October, 2013. A total of 1,112 individuals in 156 species of 40 families by Lindgren funnel traps. Also, the analysis of coleopteran insects community was performed. Although the difference of density is not prominent among the survey areas in the early stages, it was appeared a tendency to increase in density and abundance of insects in the experimented sites excluding the control areas. Among them, strip clear-cutting area showed a increase of density and abundance in this study.