• 제목/요약/키워드: Conservation Status

검색결과 527건 처리시간 0.026초

Report on the current status of Korean jewel beetle, Chrysochroa coreana (Coleoptera: Buprestidae)

  • Kwon, Ohseok
    • Journal of Ecology and Environment
    • /
    • 제36권1호
    • /
    • pp.113-116
    • /
    • 2013
  • 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.

식물의 희소성 평가를 위한 환경영향평가기법 개발 (Development of the Environmental Impact Assessment Techniques for the Grading of Rareness in Plant)

  • 이유미
    • 환경영향평가
    • /
    • 제6권2호
    • /
    • pp.153-164
    • /
    • 1997
  • This study was conducted to develop the new Environmental Impact Assessment techniques for the grading of rareness in plant. 17 EISs which were submitted in 1996 were analyzed to know the problems in existent EIA techniques for the conservation of rare plants. Category of rare plant was reevaluated and evaluation technique for the grading of rareness in plant was developed. The results obtained from this study were as follows: 1. The evaluation technique of rareness in plant was not reflected in the current preparation provision for EIS. And t his fact also appeared in most of the EIS which were reexamined in this study. 2. The category of rare species which have been considered as the subject of protection in EIA have to be enlarged to more than legally protected species designated by MOE. 3. The taxonomic characteristics and status of species, characteristics of population, geographical characters, extent of threat and its possibility by man resulted from the habitat loss were investigated. Each item was endowed scores from 1 to 5 and all the scores were summed, and then this value was used to evaluate the order of conservation. 4. Conservation measures for the rare plants have to be applied according to the levels of rareness grade, and they are absolute conservation, in situ conservation, transplanting and ex situ conservation, post observation and none by the levels from A to E. 5. Considering the phenology of rare plants, investigation for the rare plants have to be made a1 least three times. 6. Size of the MVP(Minimum Viable Population), pollination ecology also have to be considered for the conservation of rare plants. And in the case of adopting ex situ conservation measure, the site and methods for the conservation of rare plants have to be proposed in detail.

  • PDF

토양환경 정책 및 복원 기술-현황과 최근변화 (Policy of Soil Environment and Restoration Technology-Status and Recent Changes)

  • 장연수
    • 기술사
    • /
    • 제41권3호
    • /
    • pp.30-34
    • /
    • 2008
  • Recently problems of soil and groundwater contamination occur in major construction sites of highway, dam and railways. Contaminants of oil fuels are also detected in the former fuel storage facilities of railroad station and army troops of transportation, etc. These facilities are planned as the sites of commercial infrastructures after restoration from pollutants by the law of soil environment conservation of Korea. In this manuscript, the contents of soil environment conservation law including soil assessment and restoration technology are introduced. Recent changes of soil environment area are also analyzed.

  • PDF

The Current status of the cooperative research on the biodiversity in North-East Asia

  • Kwon, Ohseok
    • Journal of Ecology and Environment
    • /
    • 제38권1호
    • /
    • pp.109-112
    • /
    • 2015
  • 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.

산업부문 에너지 관리기술

  • 김상현;전원표;김동국
    • 한국기술혁신학회:학술대회논문집
    • /
    • 한국기술혁신학회 2000년도 추계 학술대회(The 2000 Autumn Conference of korea Technology Inovation Society)(한국기술혁신학회)
    • /
    • pp.161-175
    • /
    • 2000
  • This study includes the fundamental planning of the sectoral management technology in energy distribution system so that the industry itself would be willing to participate for the effective energy conservation in its own sector. Furthermore guidlines for the effective energy management techniques have been presented by first analyzing the energy consumption structures, the energy loss problems, the energy conservation status and the technology demands, and second classifying, according to the energy distribution system, the energy source management, the energy generation & conversion facilities, the energy transportation & storage facilities, the energy consumming facilities and the waste energy management, etc. in the industrial sector.

  • PDF

경주(慶州) 황남동(皇南洞) 출토(出土) 철부(鐵釜)의 보존처리(保存處理) 및 과학적분석(科學的分析) (Scientific Analysis and Conservation Treatment of the Kettle Excavated from Hwangnam-dong, Gyeongju)

  • 문선영;전익환;유혜선
    • 박물관보존과학
    • /
    • 제4권
    • /
    • pp.23-32
    • /
    • 2003
  • 경주 황남동의 통일신라시대 생활유적에서 출토된 철솥을 유리공방에서 사용된 도가니로 추정하고 있어, 이에 대한 과학적인 분석을 통해 철솥의 용도를 밝혀보기로 하였다. 우선 보존처리를 실시해 철솥의 원형을 찾아주고, 철솥 표면에 발생한 부식물 5점에 대해 SEM-EDS 분석 및 XRD 분석을 수행하였다. 철솥의 외형에 있어 도가니로 추정하는 데 가장 큰 역할을 했던 주구부분의 편이 보존처리 과정에서 발견되어 구연부는 완전한 상태로 복원되었다. 금속시편의 조직을 관찰한 결과 열처리없이 서서히 냉각시킨 주조철제로 밝혀졌다. 부식물의 성분원소는 Fe과 O를 주성분으로 한 P, Si, Ca, S 등으로서, 주요 구성 화화물은 quartz, vivianite, goethite, akaganeite, lepidocrocite, hematite 등이었다. 이와 같은 구성 성분들은 유리의 제조원료로서 이들이 철솥 외부표면의 부식물층에서 용융상태가 아닌 원료로 확인되었다는 것은 철솥이 출토된 유적이 유리제조와 관련된 공방지였다는 것을 알려주는 증거가 될 수는 있으나, 철솥이 유리 용융 도가니로 사용되었다는 증거가 될 수는 없다. 또한 철솥 출토 당시 우물지 안에 퇴적되어 있던 유기물 부식토와 사질점토 등을 고려해 보면 이들이 철솥의 부식물 형성인자로 작용한 것으로 볼 수도 있다. 따라서 철솥은 전형적인 주조철제로 도가니로 사용되지는 않은 것으로 결론지을 수 있다.

일본(日本)에서 계류변(溪流邊)의 환경복원(環境復元) 발전전략(發展戰略) II - 임도(林道) 및 치산(治山)·사방(砂防)을 중심(中心)으로 - (Strategy Prospects of Environmental Restoration of Stream Side in Japan - With a Special Reference to the Forest Road, Forest Conservation and Erosion Control -)

  • 박재현;우보명;권태호;이헌호
    • 한국환경복원기술학회지
    • /
    • 제3권2호
    • /
    • pp.66-74
    • /
    • 2000
  • This study was carried out to introduce current status and development strategy for an environmental restoration of stream side in Japan, and to consider a methodology which could be effectively applied for the environmental restoration of stream side in Korea. The strategy prospects of environmental restoration in Japan were summarized as follows: 1. We should establish a new paradigm of forest road, forest conservation and erosion control which can emphasize the restoration of the streamside ecosystem and reduce the effects of soil movement change in the areas. And we should maintain the biotic habitats to conserve native biotic community when we practice forest road, forest conservation and erosion control works. 2. In the point of view ecological conservation aspects, we should evaluate the effects of new forest conservation and erosion control methods which is emphasized on the restoration of the streamside ecosystem to apply desirable methodology to the environmental restoration of the streamside area. 3. In the past, the objective of forest conservation and erosion control was to fix a soil by construction of permanent structures. Whereas, the direction of future's forest conservation and erosion control needs to change new forest conservation and erosion control technology to prevent large scale soil movement but allow small scale soil movement to conserve sound ecosystem and biotic habitats. 4. The restoration of the streamside ecosystem should provide continuity of the streamside environment which allows desirable biological habitats, and environmentally sound facilities to harmonize the environment.

  • PDF