연준모치, Phoxinus phoxinus와 금강모치, Rhynchocypris kumgangensis의 서식지 분리와 먹이 선택

백현민,송호복,심하식,김영건,권오길 한국어류학회 2002 韓國魚類學會誌 Vol.14 No.2

강원도 정선군의 동대천에 동서하고 있는 Phoxinus phoxinus와 Rhynchocypris kumgangensis의 서식지 분리와 먹이 선택에 대하여 2001년 4월부터 9월까지 계절별로 조사, 연구하였다. 두 종은 전형적인 Aa형 하천에 서식하고 있었으며, 상류쪽에서는 P. phoxinus가, 중·하류쪽에서는 R. kumgangensis가 우세하였고, 수온이 중요한 서식 제한 요인으로 나타났다. 동일 서식지에서 P. phoxinus는 유속이 느린 곳에, R. kumgangensis는 상대적으로 유속이 빠른 곳에서 점유율이 높게 나타났으며, P. phoxinus는 하천의 하층에, R. kumgangensis는 상층 및 중층에 주로 서식하였다. 먹이 생물은 P. phoxinus는 봄에 Ephemeroptera, Trichoptera, Diptera를 주로 섭식하였고 여름과 가을에는 Diptera를 섭식하였으며, R. kumgangensis는 봄과 여름에는 육상곤충, 가을에는 Diptera를 주로 섭식하였다. The authors investgated habitat segregation and prey selectivity of two cohabitants, Phoxinus phoxinus and Rhynchocypris kumgangensis, in Dongdeacheom, Jeongsoen-gun, Kangwon-do, Korea, from April to October 2001. P. phoxinus dominated the upper reaches of the stream, whereas R. kumgangensis dominated the middle and lower reaches of the upprer stream. P. phoxinus inhabited zones of relatively slow water velocity in the bottom layer, but R. kumgangensis lived zoned of relatively high water velocity in the middle and upper layers of the cohabitat. P. phoxinus ingested mainly Ephemeroptera, Trichoptera, Diptera in spring, and Diptera in summer and autumn. R. kumgangensis fed mainly on terrestrial insects in spring and summer, and Diptera in autumn.

무심천의 저서성무척추동물 군집의 생태학적 연구

손영목,변화근,심하식 西原大學校 基礎科學硏究所 1999 基礎科學硏究論叢 Vol.13 No.-

The community structure of benthic macroinvertebrate of Musim stream was investigated from 1997 to 1998. The benthic macroinvertebrate composed of 57 species, 47 genera, 35 families, 15 orders, 7 classes in 5 phyla in the specimens of studied area. Among them, aquatic insects composed of 41 species, 23 families amount to 71.9% of all species. EPHEMEROPTERA, TRICHOPTERA and DIPTERA were dominant in upper region(St. 1∼3) and Limnodrilus socialis, Semisulcospira libertina, Physa acuta, Baetis thermicus, Ecdyonurus kibunensis and Chironomidae sp. 2 were dominant in lower region(St. 4∼7). According to the dominance of benthic marcroinvertbrate, upper region were determined as oligo-saprobic to β-mesosaprobic and lower region as α-mesosaprobic to poly-saprobic. Biological indices presented that the community structure of benthic macroinverterbrates is more stabilized, in upper region than in lower region.

연준모치,Phoxinus phoxinus 와 금강모치, Rhynchocypris kumgangensis의 서식지 분리와 먹이 선택

백현민,송호복,심하식,김영건,권오길 江原大學校 附設 環境硏究所 2002 環境硏究 Vol.19 No.-

The authors investigated habitat segregation and prey selectivity of two cohabitants, Phoxinus phoxinus and Rhynchocypris kumgangensis, in Dongdaesheon, Jeongsoen-gun, Kangwon-do, Korea, from April to October 2001. P. phoxinus dominated the upper reaches of the stream, whereas R. kumgangensis dominated the middle and lower reaches of the upprer stream. P.phoxinus inhabited zones of relatively slow water velocity in the bottoom layer, but R. kumgangensis lived zones of relatively high water velocity in the middle and upper layers of the cohabitat. P. phoxinus ingested mainly Ephemeroptera, Trichophtera, Diptera in spring, and Diptera in summer and autumn. R. kumgangensis fed mainly on terrestrial insects in spring and summer, and Diptera in autumn.

CNN과 Kibana를 활용한 호스트 기반 침입 탐지 연구

박대경 ( Daekyeong Park ),신동규 ( Dongkyoo Shin ),신동일 ( Dongil Shin ) 한국정보처리학회 2020 한국정보처리학회 학술대회논문집 Vol.27 No.2

사이버 공격이 더욱 지능화됨에 따라 기존의 침입 탐지 시스템(Intrusion Detection System)은 기존의 저장된 패턴에서 벗어난 지능형 공격을 탐지하기에 적절하지 않다. 딥러닝(Deep Learning) 기반 침입 탐지는 새로운 탐지 규칙을 생성하는데 적절하다. 그 이유는 딥러닝은 데이터 학습을 통해 새로운 침입 규칙을 자체적으로 생성하기 때문이다. 침입 탐지 시스템 데이터 세트는 가장 널리 사용되는 KDD99 데이터와 LID-DS(Leipzig Intrusion Detection-Data Set)를 사용했다. 본 논문에서는 1차원 벡터를 이미지로 변환하고 CNN(Convolutional Neural Network)을 적용하여 두 데이터 세트에 대한 성능을 실험했다. 평가를 위해 Accuracy, Precision, Recall 및 F1-Score 지표를 측정했다. 그 결과 LID-DS 데이터 세트의 Accuracy가 KDD99 데이터 세트의 Accuracy 보다 약 8% 높은 것을 확인했다. 또한, 1차원 벡터에 대한 데이터를 Kibana를 사용하여 데이터를 시각화하여 대용량 데이터를 한눈에 보기 어려운 단점을 해결하는 방법을 제안한다.

Secretion characteristics of amount nectar Zizy jujube var. inermis in Korea

Ha sik-Sim,Man-young Lee,In-pyo Hong,Soon-ok Woo,Yong-soo Choi,Gyu-ho Byuon,Weon-ki Baiek,Young-ju Oh,Myeong-lyeol Lee 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10

Jujube trees, herbal medicine material, produce not only their fruit but also jujube honey for bee and human’ food sources. Although jujube is an important honey plant after acacia bloom, the research was done with 15-year-old jujube trees grown in ChungDo-Gun, which there was no information on jujube floral nectar. According to the research, jujube nectar secretion mostly happens during dawn and morning for two days. The average number of inflorescence per tree is 638.1 according to the research. And also, the average number of flowers per inflorescence is 64.4. The amount of nectar secretion is 11.6 ul on average per flower, and hypothesized nectar secretion from 15-year-old tree per tree is 476.682 ul. Also,a jujube tree has 545.5ul hypothesized nectar secretion per ha by the research.

Secretion amount of nectar a few medical herb plants in Korea

Ha sik-Sim,Man-young Lee,In-pyo Hong,Soon-ok Woo,Yong-soo Choi,Gyu-ho Byuon,Weon-ki Baiek,Young-ju Oh,Myeong-lyeol Lee 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10

About 70% of total honey products produced by Korean bee keepers was acacia honey. The remaining 30% was chestnut honey, jujube honey, snowbell honey, and another honey. False acacia, went down in payability since the middle 2000s because of simultaneous blooming etiolation chlorsis decreases productivity after aging. Therefore, substitution honey plants were necessary. This study estimated nectar secretion amount of each flower and productivity per ha at 14 medical herbs. Each flower, Codonopsis lanceloata, estimated a majority nectar secretion amount at 176.08 ul for each of the 14 medical herbs. Astragalus membranaceus estimated majority nectar secretion amount at 1273.3 L per ha for each of the 14 medical herbs. Medical herbs were hypothesized with valuable honey plants.

농업생태계 깔따구 유충의 다양성 및 우점종 닙폰깔따구를 이용한 유기물 분해능 평가

심하식 ( Ha Sik Sim ),박병도 ( Byoung Do Park ),이영보 ( Young Bo Lee ),최영철 ( Young Chol Choi ),김종길 ( Jong Gil Kim ),박해철 ( Hae Chul Park ) 한국환경생물학회 2009 환경생물 : 환경생물학회지 Vol.27 No.1

농업생태계의 환경별로 깔따구류의 분포를 밝히고 우점종을 이용한 유기물 분해능을 평가하고자 대단위경작지, 친환경농업지, 생활하수 유입지, 축산폐수 유입지 및 주변수로 등의 5개 서식처별로 나누어 `04~`06년까지 각 구획을 대표하는 총 78개 지점에서 깔따구과 및 공서 무척추동물을 정량 채집하였다. 그 결과, 농업지대의 깔따구류는 총 16종으로 동정되었다. 서식지 유형별로 출현한 종수를 보면, 축산폐수 유입지에서 11종, 대단위농경지는 8종, 농경지 주변수로는 7종, 친환경농업지는 6종, 생활하수 유입지는 2종으로 조사되었다. 구획별로 나타난 우점종을 보면, 유기물의 농도가 높은 대단위경작지(A), 생활하수 유입지(C) 및 축산폐수 유입지(D)에서는 닙폰깔따구(C. nipponensis), 유기물 함량이 낮은 주변수로(E)에서는 숲아기깔따구(C. sylvestris), 친환경농업지(B)에서는 서산장부깔따구(Tanytarsus sesanensis)였다. 수질과 군집지수는 논주변의 수로에서 높았고, 대단위경작지, 친환경농업지, 생활하수 유입지, 축산폐수 유입지는 낮은 수준으로 조사되었다. 저질내에서 닙폰깔따구의 유기물 제거능력은 무처리구와 대비하여 90개체 처리구에서 18% 증가하였다. To recognize the species composition and community of chironomid midge in agroecosystem and evaluate removal capacity of organic matter using the dominant species among them. Chironomid midge and invertebrate cohabitants were quantitatively collected at 78 representative stations of five habitat types (in arable land during 2004~2006) A, paddy fields of the large scale arable land; B, paddy fields of the environmental friendly arable land; C, influent of domestic waste water; D, influent of waste water by livestock; E, the irrigation ditch of paddy area. The total sixteen species of chironomid midges at arable land were presented. And also chironomid midges were recognized by five habitat types: eleven species in D, eight in A, seven in E, six in B, and two in C. We confirmed dominant species in each habitat types as followings: Chironomus nipponensis in A, C, and D; Cricotopus sylvestris in E; Tanytarsus seosanensis in B. Water quality and community index were high in E, but low in A, B, C, and D. Comparing with non-treatment, removal activities of organic matter in bottom by C. nipponensis were increased 18% in 90 individuals treatment.

Honeybee (Apis cerana) Collapse in Korea by Sacbrood Virus

Yong Soo Choi,Ha Sik Sim,Hye Kyung Kim,Gyu Ho Byuon,Tran van Toan,Myeong Lyeol Lee 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10

South Korea has over 38 millions of managed honey bee (Apis cerana) colonies before 2009 years ago, which produce the highest quantity of honey in the Korea; however, almost colony (99%) were collapsed by Korean Sacbrood Virus (KSBV) in South Korea. Korean Sacbrood Virus (KSBV) is the pathogen of A. cerana Sacbrood disease, which poses a serious threat to honeybee A. cerana, and tends to cause bee colony and even the whole apiary collapse. Colony collapse of A. cerana was first reported on the Pyeong-Chang of the South Korea in 2009. Symptoms of KSBV include the rapid transmission of larval stage honeybees (A. cerana), many dead larvae found in the bottom of hive and comb. Honeybees (A. cerana) are a very important species because they provide a number of pollination services for various ecosystems in some provinces (ex. jeon-nam, jeon-buk province). They are also extremely important organisms within human society, both agriculturally and economically. The fact that a direct cause has been determined suggests that colony collapse is a complex problem with a combination of natural and anthropogenic factors. Possible instigators of colony collapse include: wax moth, viral and fungal diseases, increased population, decreased genetic diversity, climate changing and a variety of other factors. The interaction among these potential causes may be resulting in immunity loss for honeybees and the increased likelihood of collapse.

Gene Regulation of Apis mellifera Feb. by Infestation of Honeybee mites (Varroa destructor and Tropilaelaps clareae)

Yong Soo Choi,Ha Sik Sim,Hye Kyung Kim,Gyu Ho Byuon,Tran van Toan,Myeong Lyeol Lee 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10

Several Mites are currently the most serious threat to the world bee industry. The ectoparasitic honey bee mites was originally confined to the Asian honey bee(Apis cerana etc.). Varroa destructor and Tropilaelaps clareae has plagued European honey bees, Apis mellifera. Differences in mite tolerance are reported between two honey bee species A. mellifera and A. cerana. We were amplified antimicrobial peptide cDNA genes (Defencin, Abaecin, Royalisin, Apidaecin and Hymenoptaecin) by RT-PCR. We explored the transcriptional response to mite parasitism in A. mellifera 4th instars larvae which differ in susceptibility to V. destructor and T. clareae, comparing parasitized and non-parasitized 4th instars larvae (worker and Drone) from same hive. Differential gene expression of worker bees and Drone bees induced by mites (V. destructor and T. clareae) infection was investigated by northern blot. Mites (V. destructor and T. clareae) parasitism caused changes in the expression of genes related to sex distinction. Bees tolerant to mites (V. destructor and T. clareae) were mainly characterized by differences in the expression of genes regulating antimicrobial gene expression. It provides a first step toward better understanding molecular expression involved in this differential sex distinction host-parasite relationship. We were detected bee virus in A. mellifera, comparing parasitized and non-parasitized 4th instars larvae (worker and Drone). Therefore, this result was demonstrated that mites were another possible route of horizontal transmission, as several viruses were detected in mites and their hosts.

Analysis of Molphology and Determination of Interference Competition Between Twohoneybee Mites: Varroa destructor and Tropilaelaps clareae (Acari: Varroidae and Laelapidae).

Yong-Soo Choi,Myeong- Lyeol Lee,Ha Sik Sim,Hye Kyung Kim,Gyu Ho Byuon,Mi young Yoon,Ah Rang Kang,Toan Van Tran 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10

The ectoparasitic honey bee mites was originally confined to the Asian honey bee(Apis cerana etc.), mites had become widely established in the world and have continued to cause extensive bee colony deaths. Mites attach to adults and developing brood, where they feed on their blood. If left untreated, mites can deform bees and eventually kill the colony. Varroa destructor and Tropilaelaps clareae has plagued European honey bees, Apis mellifera. Differences in mite tolerance are reported between two honey bee species A. mellifera and A. cerana. We were counted number of mites(V. destructor and T. clareae) form 20 colonies. V. destructor and T. clareae has very similar behavior in honeybee colony. When behaviorally close, two competing species may populational interfere, and thereby affect their population dynamics. We tested for populational interference (PI) between two populational competing honeybee mites, V. destructor and T. clareae, by investigating their population dynamics when they competed on the same colony.