• 제목/요약/키워드: Preservation Environment

검색결과 992건 처리시간 0.028초

어류서식처 평가 및 목표종 도입을 통한 하천복원방향 - 부안댐 상류 거석천과 청림습지를 대상으로 - (Stream Restoration Guidelines by Evaluation of Fish Habitat and Introducing of the Keystone Species - Geo-seok Stream and Cheonglim Wetland in Upper Stream of Buan-Dam -)

  • 박선아;이명우
    • 한국환경복원기술학회지
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    • 제11권4호
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    • pp.24-36
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    • 2008
  • The essence of a natural stream restoration project is providing habitats for various creatures in terms of the stream's environmental function. This research suggests the problems of natural stream restoration project by studying streams in terms of habitats for creatures and reviewing the national and international cases on existing natural stream restoration project. As a solution for the above, this research suggests a preservation method for biotope of upper stream areas focusing on the fish biotope area considering the ecological characteristics and preservation value of the respective stream so that the stream can be preserved as habitats for creatures. The research was carried out on Cheonglimli Baekcheon region which is an upper stream area of Buan-Dam located in the public park in Byunsanbando, Buangoon, Jeonlabookdo. We suggest the preservation method based on the habitat environment and keystone species of fish. The habitat environment evaluation was carried out mainly being divided into three groups namely, habitats and surrounding environment, reservoir's features and fish way and the diversity of fish. By improving the problematic elements discovered through such evaluation, it tries to improve the biotope of the stream and continuously preserve the stream. In addition, in order to restore the stream as habitats for various creatures, this research suggests to select keystone species which are suitable for the stream environment and restore the habitats based on the keystone species rather than restoring habitats for all species. Fish not only plays the role of a consumer of Epilithic algae and water beetles but also plays an important ecological role as a food for birds or small mammalia. If such ecologically important biotope for fish is preserved, the ecological environment of the stream will be maintained more stably.

보존액이 Toxoplasma gondii의 생존성에 미치는 영향 (Effects of several suspending media on behavior of Toxoplasma gondii)

  • 진주은;정경태;이우원;양주;이강록;김근규
    • 한국동물위생학회지
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    • 제22권2호
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    • pp.129-134
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    • 1999
  • A preservation test of Toxoplasma gondii tachyzoites for considerable time was tried to obtain simple and economical methods using various suspending media at $4^{\circ}C$ rather than serial passage of the parasite in mice. The preservation period was a term that the tachyzoites were detected from the peritoneal fluid of mice after inoculation of 2$\times$$10^5$ organisms preserved according to the lapse of time. The numbers of tachyzoite per 1\textrm{mm}^3$ of the peritoneal fluid with 2$m\ell$ of the saline solution taken in 4days after inoculation were presented as percentage in proportion to the control. The numbers. of tachyzoite per 1\textrm{mm}^3$ of the peritoneal fluid of the control were consisted of the average number of the tachyzoites of 10 mice inoculated with 2$\times$$10^5$ organisms by serial mouse passage. The tachyzoites could be preserved for 26 days in the suspending medium of saline solution at $4^{\circ}C$ Ringer's solution for 18 days, Hank's solution for 28 days, and egg-glycerine solution for 50 days.

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GIS를 이용한 인천지역의 비오톱지도 제작에 관한 연구 (A Study on the Production of Biotope Map of Incheon by utilizing GIS)

  • 최병길;나영우;조은석;문상균
    • 한국측량학회:학술대회논문집
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    • 한국측량학회 2007년도 춘계학술발표회 논문집
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    • pp.249-252
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    • 2007
  • The objective of this research is to study the method to produce biotope map by using GIS. Surveying and analyzing the situation of biotope map in the country, it was found that biotope map should be produced to be utilized in establishing urban plan and environment preservation plan. Considering the history of materials, preparation method and type of use, the types of original materials can be classified into 3 types, namely, data based on configuration map, the existing thematic map and materials of surveying natural ecology. Biotope map is composed of configuration thematic map that shows the shape and position of surface, urban thematic map that is the standard of unit biotope shape and urban ecology map that shows the urban ecologic situation. Extracted and processed from the original material, each thematic map is produced as biotope map that shows the type of biotope. It is expected that biotope map can be utilized in the area of urban plan including establishment of basic urban plan and urban management plan as well as environment planning area including evaluation of environment influence, establishment of environment preservation plan, consolidated environment management for natural environment and life environment.

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우리나라 대기오염 역사, 규제의 변천, 현행 규제제도의 개선방안 (Air Pollution History, Regulatory Changes, and Remedial Measures of the Current Regulatory Regimes in Korea)

  • 김동술
    • 한국대기환경학회지
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    • 제29권4호
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    • pp.353-368
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    • 2013
  • All Koreans had suffered heavily from municipal and industrial air pollution problems since 1960's to 1980's. However the levels of $SO_2$, CO, and Pb have been dramatically decreased since 1990's due to various air pollutants' reduction policies under the provisions of the 1978 Environmental Preservation Act and the 1990 Air Quality Preservation Act such as increasing the supply of low-sulfur fuel, the use of cleaner fuel, no use of solid fuel, and so on. Even though the national ambient air quality standard has been strengthened to protect public health and welfare, the levels of $NO_2$, $O_3$, and $PM_{10}$ frequently exceed the corresponding standards; for example, only 4 stations (1.7%) out of 239 nationwide monitoring stations satisfied the 24-hr based PM10 standard in 2011. Moreover, upto the present time, since there are serious underlying policies of economism and growth-first which can not be solely solved by the environmental laws, it is difficult to root out undesirable social evils such as public indifference, passive academic activities, complacent government bureaucracy, insufficient social responsibility of enterprise, and radical activities of environmental groups. The paper initially reviewed air pollution history of Korea with surveying various environmental factors affecting in/out-door air pollution in the past Korea. Further this study extensively investigated legal and political changes on air pollution control and management for the last 50 years, and then intensively discussed the present environment-related laws and policies unreasonably enforced in Korea. It is necessary to practically revise many outdated legal policies based on health-oriented thinking and on our current economic levels as well.

지속가능한 발전을 위한 대학생의 환경의식에 관한 연구 (A Study on the Environmental Consciousness of University Students for Sustainable Development)

  • 임만택;김곤
    • KIEAE Journal
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    • 제1권2호
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    • pp.37-45
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    • 2001
  • As the global environmental crisis has been emerged as an important problem threatening the survival of the mankind, the environmental problems are recognized as a great issue governing the destiny of the whole mankind as well as a national problem. Therefore, more active attitude playing a leading role of global and local environmental preservation is required, escaping from conventional passive position for the minimization of economic damages according to global environment regulations. This study evaluates the 150 university students' consciousnesses and attitudes of the seriousness, major policies and issues of environmental pollutions, extracts their consciousness of environment and practicable tasks for the 21st century and is to give the basic reference materials of environmental policy development.

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A Plans for Preservation and Distribution of Ilex cornuta Community Mt. Keumsung (Naju, Chollanamdo)

  • Kim, Ha-Song
    • Plant Resources
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    • 제1권2호
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    • pp.105-108
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    • 1998
  • These studies had performed a plans for preservation and distribution of Ilex cormuta community Mt. Keumsung($35^{\circ}05'\;N,\;126^{\circ}04'\;E$) in Naju, Chonnam from Arpil, 1997 to October by Braun-Blanquet' method(1964). According to the vegetation table of community, the plant communities of the investigated sites were classified Ilex corunta-Trachelospermum asiaticum var. intermedium commnity. Now there still remains the natural environment to be developed in coast district around the riverside distributing Ilex cornuta Lindl., so it has scientifically high value to predict change of the ecosystem and preserve the community distribution. It needs plan for preservation high value to predict change of the ecosystem and preserve the community distribution. It needs plan for preservation

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The Scenic Loss and Preservation of District Shrines at the Fringe of Tokyo

  • Poggendorf, Lorenz
    • 한국조경학회:학술대회논문집
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    • 한국조경학회 2007년도 Journal of Landscape Architecture in Asia Vol.3
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    • pp.99-104
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    • 2007
  • With their deity groves, Japanese Shinto shrines form unique green spaces. Further, many shrines are located between a settlement and the rural or natural environment. This location relates to the nature-worship of the Shinto tradition. However, when visiting present shrine precincts, it gives the impression that their original landscape location and green space is impaired by urban changes. This study focuses on the point how the scenic condition of district shrines at the fringe of Tokyo is challenged in the present, and presents an example of a successful preservation in the urban area. The key point of such preservation is that it goes beyond the shrine precinct itself. If there still exists a natural or beautiful scenery next to a shrine with some distinct historical or religious relationship, both shrine and scenery should be preserved together.

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