• 제목/요약/키워드: fish past

검색결과 115건 처리시간 0.027초

융합콘텐츠개발을 위한 『자산어보』 해양문화원형 연구 (Study on Maritime Cultural Archetypes of 'Jasan-Urbo' for Convergent Contents Development)

  • 김상남;이영숙
    • 한국멀티미디어학회논문지
    • /
    • 제23권3호
    • /
    • pp.490-498
    • /
    • 2020
  • This study researched the elements about seafood culture among the archetypes of 『Jasan Urbo』. We built a hypothesis on 100 species of fish presented in 『Jasan Urbo』 to extract archetypes from them. To prove this hypothesis, we analyzed the properties of archetypes according to recipes. Next, we grasped the food preferences of past ages by inspecting 'taste' words of the literature. Finally, we examined the relations between dominant features of cuisine and fish preferences. We have found four attributes of maritime cultural archetypes. Our research has limitations since we could not had accounted the whole fish species of 『Jasan Urbo』. However, we achieved the huge outcome by our research, in which we applied various extraction methods of archetypes and acquired the dominance of maritime cultural archetypes and preferences.

멸종위기 야생생물 I급 여울마자 서식지 환경 특성 파악을 통한 훼손 원인 분석 (Identifying Degradation Causes of Endangered Freshwater Fish, Microphysogobio rapidus Using Habitat-Environmental Characteristics)

  • 윤주덕;김근식;박창득;강동원;이흥헌;임치홍;김남신
    • 생태와환경
    • /
    • 제56권3호
    • /
    • pp.229-241
    • /
    • 2023
  • 멸종위기 야생생물 I급 종인 여울마자는 분포 및 개체수가 지속적으로 감소하여 현재는 낙동강수계 남강 및 일부 지류 하천에만 제한적으로 출현하고 있다. 절멸이 임박한 여울마자의 복원을 위해서는 감소원인 파악을 통한 적절한 계획 수립이 중요하지만 자료 및 연구 부족으로 인해 진행이 미흡한 상황이다. 따라서 본 연구에서는 여울마자에 분포지역을 대상으로 현장조사와 문헌조사를 통해 현재출현지역과 과거출현지역의 이화학적, 생물학적, 사회학적 서식환경에 대한 차이를 분석하였다. 현장조사 결과 현재출현지점과 과거출현지점에 전기전도도에 차이가 있었으며, 동서종 군집 또한 차이가 있는 것으로 확인되었다. 문헌 연구자료를 활용한 분석에서도 전반적으로 과거 출현지점들의 이화학적 환경이 양호하지 않은 것으로 나타났으며, 이로 인해 영향을 받은 생물학적 요인의 부정적 결과가 유발되었다. 특히, 도시화로 인한 영향이 여울마자 서식환경에 주요한 영향을 주고 있는 것으로 파악되었다. 멸종위기종인 여울마자의 복원을 위해서는 서식지의 안정화가 중요하다. 과거 서식하던 지역들에서는 하천 공사, 보 건설과 같은 교란이 하천을 물리적, 이화학적으로 변화시키면서 여울마자에 영향을 주었기 때문에 향후 여울마자의 서식지 관리 및 복원을 위해서는 하천의 연결성 회복 및 이화학적 환경을 함께 고려한 종합적인 계획인 필요한 것으로 판단된다.

Florfenicol-amoxicillin 혹은 florfenicol-cefuroxime 병용투여시 어류 병원성 세균에 대한 약역학 (Pharmacodynamics of florfenicol alone and in combination with amoxicillin or cefuroxime against pathogenic bacteria of fish origin)

  • 이은미;최명진;이승진;박승춘
    • 대한수의학회지
    • /
    • 제50권4호
    • /
    • pp.279-284
    • /
    • 2010
  • Combination therapy of antibiotics is leading to improved efficacy or safety profiles with decrease emergence of bacterial resistance. Because of this benefit, many of antibacterial combinations have been used in veterinary practice for the past few decades. The purpose of this study was to examine the in vitro activity of an amoxicillin alone and in combination with other antibiotics against pathogenic bacteria of fish origin. Based on the fractional inhibitory concentration (FIC) index (FIC $$\leq_-$$ 0.5), a synergistic interaction was shown in combination of florfenicol with amoxicillin or cefuroxime. The combination of florfenicol and amoxillin showed higher antibacterial activity than that of florfenicol and cefuroxime. Ratio of amoxicillin and florfenicol in combination was 1 : 1, which showed the antibacterial activity against bacterial isolates of fish as compared with other ratios. A synergetic effect of the combination (amoxicillin and florfenicol) was further confirmed in the time-kill curve study. The study showed a better in vitro antibacterial activity of a 1 : 1 combination of amoxicillin and florfenicol than the individual antibacterial against bacterial isolates of fish. In conclusion, the combination of florfenicol and amoxicillin may serve as a potential antibacterial therapy in fishes infected pathogenic bacteria.

Climate Variability and Its Effects on Major Fisheries in Korea

  • Kim, Su-Am;Zhang, Chang-Ik;Kim, Jin-Yeong;Oh, Jae-Ho;Kang, Su-Kyung;Lee, Jae-Bong
    • Ocean Science Journal
    • /
    • 제42권3호
    • /
    • pp.179-192
    • /
    • 2007
  • Understanding in climate effects on marine ecosystem is essential to utilize, predict, and conserve marine living resources in the 21st century. In this review paper, we summarized the past history and current status of Korean fisheries as well as the changes in climate and oceanographic phenomena since the 1960s. Ocean ecosystems in Korean waters can be divided into three, based on the marine commercial fish catches; the demersal ecosystem in the Yellow Sea and the East China Sea, the pelagic ecosystem in the Tsushima Warm Current from the East China Sea to the East/Japan Sea, and the demersal ecosystem in the northern part of the East/Japan Sea. Through the interdisciplinary retrospective analysis using available fisheries, oceanographic, and meteorological information in three important fish communities, the trend patterns in major commercial catches and the relationship between climate/environmental variability and responses of fish populations were identified. Much evidence revealed that marine ecosystems, including the fish community in Korean waters, has been seriously affected by oceanographic changes, and each species has responded differently. In general, species diversity is lessening, and mean trophic level of each ecosystem has decreased during the last $3\sim4$ decades. Future changes in fisheries due to global warming are also considered for major fisheries and aquaculture in Korean waters.

IHNV (Infectious Hematopoietic Necrosis Virus): 과거, 현재, 그리고 미래 (INHV (Infectious Hematopoietic Necrosis Virus): Past, Present and Future)

  • 박정우;조미영;이언화;최혜승
    • 한국수산과학회지
    • /
    • 제54권5호
    • /
    • pp.596-616
    • /
    • 2021
  • A global increase in fish consumption has led to a rapid expansion of aquaculture production, which has been linked to enhancing the spread of infectious diseases. Viral diseases can cause high mortality in many cultured fish species, posing a serious threat to the aquaculture industry. Infectious hematopoietic necrosis virus (IHNV) is one of the primary threats to aquacultured salmonid species, causing huge economic losses. Since the first report in cultured sockeye salmon Oncorhynchus nerka during the 1950s in North America, IHNV has spread to other regions, including Europe, Asia, South America, and Africa by transportation of infected fish and eggs, causing disease and increasing mortality in a wide variety of salmonid species. Here, we review existing information relevant to IHNV: its phylogenetic characteristics, origin, infection history, virulence determinants, susceptible hosts, vectors, and vaccine development. This review also addresses a possible cross-species transmission of IHNV to a new host, olive flounder Paralichthys olivaceus, a cultured fish of economic importance in East Asian countries.

Fluorescence-in-situ-hybridization in the Surveillance of Urothelial Cancers: Can Use of Cystoscopy or Ureteroscopy be Deferred?

  • Ho, Christopher Chee Kong;Tan, Wei Phin;Pathmanathan, Rajadurai;Tan, Wei Keith;Tan, Hui Meng
    • Asian Pacific Journal of Cancer Prevention
    • /
    • 제14권7호
    • /
    • pp.4057-4059
    • /
    • 2013
  • Background: Fluorescence in situ hybridization (FISH) testing may be useful to screen for bladder carcinoma or dysplasia by detecting aneuploidy chromosomes 3, 7, 17 and deletion of the chromosome 9p21 locus in urine specimens. This study aimed to assess the sensitivity, specificity, positive and negative predictive value of FISH in a multi-ethnic population in Asia. Materials and Methods: Patients with haematuria and/or past history of urothelial cancer on follow-up had their voided urine tested with FISH. Patients then underwent cystoscopy/ureteroscopy and any lesions seen were biopsied. The histopathological reports of the bladder or ureteroscopic mucosal biopsies were then compared with the FISH test results. Results: Two hundred sixty patients were recruited. The sensitivity and specificity of the FISH test was 89.2% and 83.4% respectively. The positive (PPV) and negative predictive values (NPV) were 47.1% and 97.9%. By excluding patients who had positive deletion of chromosome 9, the overall results of the screening test improved: sensitivity 84.6%; specificity 96.4%; PPV 75.9% and NPV 97.9%. Conclusions: UroVysion FISH has a high specificity of detecting urothelial cancer or dysplasia when deletion of chromosome 9 is excluded. Negative UroVysion FISH-tests may allow us to conserve health resources and minimize trauma by deferring cystoscopic or ureteroscopic examination.

A Study of Drop Handles Design

  • Cho, Sook-Kyung;Moon, Sun-Ok
    • 한국가구학회지
    • /
    • 제21권3호
    • /
    • pp.253-260
    • /
    • 2010
  • The drop handle in the Chosun-Dynasty played a role lifting up the cabinet and box which was attached to and besides this had the decoration function. The scope of this study should include the drop handles from the $18^{th}$ century up to now by investigating and analyzing their definition & function and furthermore the types of their designs. The object of the study was the drop handle having 2 golden fixing parts which are definitive difference from ring or loop, and the design typology of drop handle was concentrated on the handle part, and it can be classified in two types. The one is the figuration of bow, bat, bamboo, fish and bird and so on from the motive of nature on the handle part, and the other one is the drop handle of the simple ㄷ-shape, the temple-symbol shape or geometrical forms. According to the analysis of relics & literature from the past it was found that there were more quantitative nature-motive figurations than the geometrical forms. The nature-motive figurations were again classified in box-, bat-, cloud- bamboo-, fish- and bird-type, and the geometrical forms in ㄷ-shape, the temple-symbol shape and others. The cases applied to furniture are roughly divided into the front-attached type and the side-attached type. In comparison of the drop handle in the Chosun-Dynasty with that of modern times, ㄷ-shape and bow-type keep the long tradition of the drop handles despite of the constructive change partly. Ring-type is similar to the just ring or loop of the part and drop handle with one golden fixing part, while the knob-type shows almost same forms in the past as well as in the modern times. Which type among handles in the modern times has little connection with the past is the reclaimed type, and it was showed in the Chosun-Dynasty and also is showed up to now identically that the man-made hole on the front side of the drawer for the function as handle.

  • PDF

LTE 통신을 이용한 부표형 어군탐지기 개발 (The development of buoy type fish finder using LTE communication)

  • 강태종;민은비;허겸;신현옥;황두진
    • 수산해양기술연구
    • /
    • 제58권2호
    • /
    • pp.141-152
    • /
    • 2022
  • As a method to understand the ecological habits around the artificial reef, various reports such as fishing gear survey, diving, sound survey, underwater CCTV and camera, etc. are reported. Among them, the sound survey method is carried out by installing an acoustic system on the ship and can be investigated regardless of the marine environment such as time constraints and turbidity. Such method, however, takes a lot of manpower and time as the ship travels at a constant speed. Investigations around artificial reefs are being conducted in an artificial way, and a lot of time and labor are consumed as such. Maritime buoys have been operated for various purposes such as route signs, weather observation, marine environment monitoring and defense monitoring for navigation safety in the past, but studies on monitoring systems for ecological habits and distribution of fish using marine buoys are remarkably insufficient. Therefore, this study aims to develop a system that allows users to directly monitor fish group detector data by estimating the distribution of fish groups around artificial reefs and using wireless communication at sea. In order to confirm the suitability of the maritime buoy used in this study, it was operated to compare data using LTE-equipped buoys capable of wireless communication and a data logger-type system buoy. Data transmission of buoys capable of LTE communication was carried out in a 10-minute ON, 10-minute OFF method due to the limitation of the power supply capacity, and data of the data logger-type buoy received full data. We compared and analyzed the data received from the two fish detectors. It is expected that real-time monitoring of the wireless buoy detection device using LTE will be possible through future research.

중국 애니메이션 영화 <나의 붉은 고래>의 전통문화원소 분석 (Analysis on the Traditional Cultural Elements of the Chinese Animated Film Big Fish & Begonia)

  • 도궈허
    • 한국엔터테인먼트산업학회논문지
    • /
    • 제13권7호
    • /
    • pp.165-172
    • /
    • 2019
  • 애니메이션 영화 <나의 붉은 고래>는 최근 몇 년 동안 중국 애니메이션 영화의 새로운 시도로 시장의 표현이든 예술 창작이든 모두 한 단계 진보한 것이다. 최근 10년간의 창작 과정에서 <나의 붉은 고래>는 중국 신화의 전설을 깊이 파헤쳐 현대 예술과 결합시켜 표현했다. 본 연구는 영화 속 중국 전통문화 요소를 연구의 출발점으로 삼아 캐릭터 디자인, 장면 디자인, 민족문화 등 다양한 측면에서 분석했다. <나의 붉은 고래>의 전통문화요소 분석을 통해 애니메이션 영화가 더 발전할 수 있는 방향을 찾아본다. 현대예술을 중국 전통문화와 융합시켜 민족문화의 특색을 살리는 것 등이다. 바로 <나의 붉은 고래>에 중국 문화코드가 많이 녹아 있고, 정교하게 설치돼 있어 좋은 평가를 받을 수 있다.

적외선 카메라를 활용한 급이 유무에 따른 어류 활동성 분석 (Analysis of Fish Activity in Relation to Feeding Events Using Infrared Cameras)

  • 노태경;하상현;김기환;강영진;정석찬
    • 한국정보시스템학회지:정보시스템연구
    • /
    • 제32권4호
    • /
    • pp.137-147
    • /
    • 2023
  • Purpose The domestic aquaculture industry in South Korea utilizes both formulated feeds and live feeds for the cultivation of fish. While nutrient-rich live feeds, particularly using fry, have been preferred since the past, formulated feeds are gaining attention due to issues related to overfishing and environmental concerns. Formulated feeds are advantageous for storage and supply but require a sustained feeding regimen due to the comparatively slower growth rate compared to live feeds. As the aging population in rural areas leads to a shortage of labor, automated feeding systems are increasingly being adopted in aquaculture facilities. To enhance the efficiency of such systems, it is crucial to quantitatively analyze the behavioral changes in fish based on the presence or absence of feed. Design/methodology/approach In the study, RGB cameras and infrared cameras were used to analyze fish activity according to feeding, and an outline extraction algorithm was applied to analyze the differences resulting from this. Findings Unlike RGB cameras, infrared cameras are more suitable for analyzing underwater fish activity as they convert objects' thermal energy into images. It was observed that Canny, Sobel, and Prewitt filters showed the most distinct identification of fish activity.