• 제목/요약/키워드: Natural Ecology Protection

검색결과 92건 처리시간 0.026초

Utilization of Bamboo Leaves as a New Resource of Natural Green Colorants

  • Shin, Younsook;Cho, Arang;Yoo, Dong Il
    • 한국염색가공학회지
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    • 제24권4호
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    • pp.247-252
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    • 2012
  • The objective of this study was to find an appropriate method and process for protecting the green color in bamboo leaves and subsequent extraction of the green colorants, chlorophyll. Various inorganic salts including cupric sulfate, ferric sulfate, and zinc chloride were employed as green color protectors. Accordingly, the effects of metal salts and treatment conditions on color protection were investigated to find appropriate protector and conditions. And also, the efficacy of bamboo colorants as a natural green dye was evaluated through dyeing and colorfastness tests. Antimicrobial activity of dyed fabrics was measured by shake flask method in terms of bacterial reduction rate using Staphylococcus aureus(ATCC 6538). On the basis of experimental results for stabilizing bamboo leaves colorants, it was confirmed that Cu was the most appropriate metal type considering dye uptake, photostability and light fastness, and its optimum concentration was 0.025%. After the stabilization, the colorants were extracted efficiently at NaOH aqueous solution of 1.00%. It was concluded that bamboo leave has a high potentiality as new resources to produce a natural green dye with antimicrobial functionality.

Application of Eco-hydraulics Principles in Rehabilitation of Urban River System

  • Meiyan, Feng;Jung, Kwansue
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2018년도 학술발표회
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    • pp.446-446
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    • 2018
  • The urban rivers have unique hydraulic characteristics between natural rivers and artificial canals. These hydraulic characteristics determine the characteristics of urban rivers with small environmental capacity and fragile ecosystems. With the development and utilization of natural resources, the pollutants that have been produced enter the river through different channels, which seriously damages the urban river ecosystem. Therefore, how to restore contaminated water to a normal state and reproduce a natural, self-regulating ecosystem is one of the most concerned issues in recently. Eco-hydraulics is a cross-disciplinary subject of hydraulics biology and ecology. It is closely related to the protection of rivers, wetlands, and ecological self-repair. In this study, The basic principle of eco-hydraulics is concisely described and its approaches to protection and rehabilitation of river are introduced. The conception of establishing gardenesque eco-pond for urban use is suggested. The strategies including changing the hydrodynamic features of rivers, adjusting the breeds and species and constructing the gardenesque eco-pond for improving the exist ing urban rivers are proposed. It provides scientific information and guidance for the restoration of rivers and wetlands by studying the close relationship between river hydraulic characteristics, currents, and rivers and ecosystems.

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생태계적 방식에 의한 무형문화유산 체계 연구 - 자생력 강화방안을 중심으로 - (A Study on Improving Operating System of an Intangible Cultural Heritage by an Ecological Perspective)

  • 오정심
    • 헤리티지:역사와 과학
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    • 제48권3호
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    • pp.30-45
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    • 2015
  • 본 글의 목적은 사회적 수요의 부족 등으로 인한 국내 무형문화유산의 전승 단절 위기 현상을 주목하고, 문제의 해결방안 중 하나로 자생력 측면에서 무형문화유산 체계를 검토하여 그 발전방안을 모색하는 데 있다. 이러한 목적 하에 본 논문의 제2장에서는 연구방법론으로써 생태계적 방식을 고찰하고 생태계적 방식을 통해 무형문화유산 체계를 분석하였다. 생태계적 방식은 시스템의 운영에 생태계의 특징 및 원리를 적용하여 외부의 개입을 전제하거나 동원하지 않고서도 내부의 자생력만으로 시스템을 유지하는 것을 말한다. 그리고 무형문화유산 체계는 무형문화유산을 보호 전승 활용하기 위해 구성된 제도적 시스템을 말하며 크게 문화재보호법에 의한 기본원칙, 활동주체 그리고 절차 및 방법으로 나눠 살펴볼 수 있다. 생태계적 관점에서 검토한 결과 상호관계성, 순환성, 개방성, 다양성, 균형성 등과 관련한 문제점이 지적되며 정부의 개입을 전제하지 않으면 무형문화유산 체계가 제대로 운영될 수 없는 구조적 문제가 고착화되어 있다. 이에 제3장에서 생태계 원리를 적용해 무형문화유산의 체계의 개선 및 자생력 강화 방안을 제시하였다. 우선 유네스코 무형문화유산보호협약을 기초로 하여 상호관계성, 다양성, 균형성 등 생태계적 관점에 입각해 관련 규정의 기본원칙을 제시하였고, 전체론적 관점에서 제도의 구성요소 및 활동주체의 범위를 확대하여 제안하였다. 그리고 기존 활동주체의 역할 및 관계가 기 예능의 원형 보전에 치중했던 점을 개선하여 무형문화유산의 생산 소비 재생산 소멸 등 선순환적 발전의 흐름이 일어나도록 자연생태계의 생산자, 소비자, 분해자 개념에 따라 그 역할과 관계를 재편성하여 제안하였다. 기존의 체계와 비교하여 활동주체로 창작자, 프로슈머, 창업자, 시민 예술가 등을 제시하였는데 이들의 활동은 공급의 다양화에 기여할 수 있을 것이며 장기적으로 생태계가 건강하게 유지될 수 있는데 기여할 수 있을 것이다. 마지막으로 활동주체들 간의 자유로운 상호작용을 통해 사회의 수요와 공급의 조화, 순환적 발전의 흐름이 일어날 수 있도록 제도의 구성 및 운영 방향을 제시하였다.

산업부산물을 이용한 식생용 포러스콘크리트의 물성평가에 관한 실험적 연구 (An Experimental Study on the Evaluation of Physical Properties of Planting Porous Concrete using Industrial By-products.)

  • 박승범;이택우;권혁준;이봉춘;이준
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2001년도 가을 학술발표회 논문집
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    • pp.929-934
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    • 2001
  • As the notion of environment protection changes throughout the world, construction engineers, as part of the effort to resolve environmental problems, have been actively doing research on environmental friendly porous concrete using large and non-uniform aggregate. Concrete having a great deal of continuous porosity enable water and air to pass freely through firmly hardened material, allowing necessary nutrients to reach roots of vegetation, thereby sustaining them. It is possible to prevent the exhaustion of natural resources by recycling waste concrete and industrial by-products, to reduce damage caused by the destruction of nature through effective management of natural resources, to preserve the natural environment and vegetation in urban areas by activating the soil, protecting the underground ecology system, and growing garden plants through the application of environmentally friendly concrete.

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중국 자연보호구의 보전관리체계에 관한 연구 (Study on the Conservation Management System of China's Natural Reserve)

  • 장야오;김동필;문호경
    • 한국환경생태학회지
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    • 제29권3호
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    • pp.474-484
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    • 2015
  • 본 연구는 중국 자연보호구의 현행 법률 및 법체계와 역사, 조직, 예산 등 관리체계를 분석하여 중국의 보호지역 관리를 위한 기초적 자료를 제공할 목적으로 수행되었다. 법체계는 "중화인민공화국 헌법(1954)"에 의거하여 "환경보호법(1989)", "자연보호구 조례(1994)", "자연보호구 토지 관리 방법(1995)"이 제정되었다. 자연보호구의 발전과정은 시작단계(1956-1965), 정지단계(1966-1978), 발전 단계(1979-1998), 급증 단계(1999-2006), 안정 단계(2007-현재)로 나눌 수 있으며, 안정단계에서는 생태 환경의 보호, 감독, 관리 강화 등 5단계로 분류된다. 중국 자연보호구는 법에 의거하여 국가급, 성급, 시급, 현급으로 분류하고, 자원유형별로는 자연생태체계류, 야생생물류, 자연유적류로 나누고 있다. 전체 자연보호구 2,640개소 중 임업부가 관리하고 있는 자연보호구는 1,958개(전국 수량의 74.2%) 로 가장 높은 비율을 차지하고 있다. 자연보호구 1,384개소(52.4%)에 관리조직이 건립되어 있으며, 관리조직 유 무에 상관없이 관리인원을 배치한 자연보호구는 1,702개소(64.47%)로 관리조직이 있는 비율보다 높게 나타났다.

An Elementary Introduction on Parks and Green Space Planning that Keep in Step with Urban Development

  • Jing Zhang;Jun Li
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • 제2호
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    • pp.45-50
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    • 2004
  • Confronting with series of environmental problems. caused by urbanization and the constantly improving consciousness of the entire society towards environmental protection, it has become an inevitable trend to develop parks and green space planning that guided by the principle of 'respecting nature, preferring ecology' and integrate function, arts and culture of landscape design. Aiming at specific project, humanized design should be laid stress on. With fundamental functional construction serving as the base, the reflection of cultural content and regional landscape as the characters, using various landscape gardening elements reasonably to enrich space design as well as highlighting leisure and sport function and following the concept 'human-centered', parks and green space filled with natural vitality and cultural spirit can be constructed, people, city and the nature could develop together in harmony.

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선운산 지역의 현존식생과 잠재자연식생 (Actual Vegetation and Potential Natural Vegetation of Seonunsan Area, Southwestern Korea)

  • Kim, Jeong-Un;Yang-Jai Yim
    • The Korean Journal of Ecology
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    • 제10권4호
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    • pp.159-164
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    • 1987
  • The potential natural vegetation of Seonunsan area, southwestern Korea, was inferred from the actual vegetation. In previous two papers the plant communities of actual vegetation of the area is grouped into nine types; Quercus variabilis, Pinus densiflora, Carpinus tschonoskii, Quercus serrata, Camellia japonica (plantation), Quercus aliena, Pinus thunbergii, Zelkova serrata and Carpinus laxiflora forest. With the analysis of species richness, age structure and various informations on vegetation changes of the plant communities, two paths of late stage succession are suggested in climatic climax starting from Pinus densiflora forest in the area. One is through Quercus variabilis forest to Carpinus laxiflora forest in upper parts of the mountain and the other through Quercus aliena forest to Carpinus tschonoskii forest in lower parts of the mountain. With analysis of actual vegetation and the examination of informations including human activities in the area, the potential natural vegetation of the area was inferred. The potential natural vegetation of the area was mainly composed of Carpinus laxiflora, Carpinus tschonoskii, Pinus densiflora and Zelkova serrata forest. The actual vegetation map and potential natural vegetation map (scale, 1:25, 000) and other results from this study might be the useful data for the protection of natural vegetation and restoration of the current vegetation.

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남산 지역 조류 군집의 서식 현황과 보호 및 관리방안 (Status, Protection, and Management of Bird Community in Mt. Nam Area)

  • 이우신;조기현;임신재
    • The Korean Journal of Ecology
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    • 제21권5_3호
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    • pp.665-673
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    • 1998
  • This study was conducted to clarified the relationship between bird community and forest structure and present the counterplan for protection and management of bird community from February 1993 to July 1995 at deciduous and coniferous forest within Mt. Nam area, Seoul, Korea. DBH distribution has not significant differences in each study site. Deciduous forest had more foliage coverage in all layers than coniferous forest. Total 41 species of birds, which were 16 species of resident, 14 species of summer visitor, 4 species of winter visitor, and 7 species of passage migrant were recrded in two study sites. Leaf use rate of birds was increased the increase of coverage. The number of breeding species and pairs, breeding density, and diversity index were greater in deciduous forest than coniferous forest. The number of species and pairs on bush-nesting and foraging guild were greater than other guilds. And the nuber of species and pairs on hole nesting guild were the fewest in nesting guild. Use rate of artificial nests for improvement of habitat quality was greater in coniferous forest than deciduous forest. Maintenance of bush layer, increase of coverage and leaf layer diversity, supply of artificial nests, management of large trees, and control of natural enemy were necessary for protection and management of bird community in Mt. nam area.

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Trends in the effects of climate change on terrestrial ecosystems in the Republic of Korea

  • Choi, Sei-Woong;Kong, Woo-Seok;Hwang, Ga-Young;Koo, Kyung Ah
    • Journal of Ecology and Environment
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    • 제45권3호
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    • pp.117-129
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    • 2021
  • In this review, we aimed to synthesize the current knowledge on the observed and projected effects of climate change on the ecosystems of Korea (i.e., the Republic of Korea (ROK) or South Korea), as well as the main causes of vulnerability and options for adaptation in these ecosystems based on a range of ecological and biogeographical data. To this end, we compiled a set of peer-reviewed papers published since 2014. We found that publication of climate-related studies on plants has decreased in the field of plant phenology and physiology, whereas such publication has rapidly increased in plant and animal community ecology, reflecting the range shifts and abundance change that are occurring under climate change. Plant phenology studies showed that climate change has increased growing seasons by advancing the timing of flowering and budburst while delaying the timing of leafing out. Community ecology studies indicated that the future ranges of cold-adapted plants and animals could shrink or shift toward northern and high-elevation areas, whereas the ranges of warm-adapted organisms could expand and/or shift toward the areas that the aforementioned cold-adapted biota previously occupied. This review provides useful information and new insights that will improve understanding of climate change effects on the ecosystems of Korea. Moreover, it will serve as a reference for policy-makers seeking to establish future sectoral adaptation options for protection against climate change.

Traditional Agricultural Landscape as ail Important Model of Ecological Restoration in Japan

  • Toshihiko, Nakamura
    • The Korean Journal of Ecology
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    • 제25권1호
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    • pp.19-24
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    • 2002
  • The traditional Japanese agricultural landscape, In which a set of varied land-use patches functions as a sustainable ecosystem landscape unit, not only provides the local people tilth a stable food supply, but also offers a variety of habitats to many species of wildlife. Therefore, remaining natural habitats including those in the traditional agricultural landscape should be maintained whenever possible. In addition, restoration work should be implemented in areas where the natural habitat has been destroyed or severely degraded by human activities. This basic approach to the natural environment is a combination of maintenance and restoration. Types of maintenance and restoration can be classified into three categories according to the countermeasures employed: preservation, conservation and protection types of maintenance, and improvement, reconstruction and creation types of restoration. Four steps are proposed for ecological restoration and maintenance of a target area: exploration, diagnosis, prescription and care. In this process, a model for approaching the goal is important. One of the most important models should center on the traditional agricultural landscape involving a sustainable farming ecosystem. It is necessary to protect traditional landscapes and ecosystems from the degrading impact of urbanization and industrialization, as well as to enhance efforts at restoration.