• Title/Summary/Keyword: ecological study

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Exploring Community Structure and Function with Network Analysis: a Case Study of Cheonggye Stream (생태계 네트워크 분석을 이용한 생물 군집의 구조와 기능에 대한 연구: 청계천을 사례로)

  • Lee, Minyoung;Kim, Yongeun;Cho, Kijong
    • Korean Journal of Environmental Biology
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    • v.36 no.3
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    • pp.370-376
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    • 2018
  • It is important to consider interaction between species in understanding structure and function of the biological community. Current ecological issues such as climate change and habitat loss emphasize the significance of the concept of species interaction in that varying species' interaction across environmental gradients may lead to altered ecological function and services. However, most community studies have focused on species diversity through analysis of quantitative indices based on species composition and abundance data without considering species interactions in the community. 'Ecological network analysis' based on network theory enables exploration of structural and functional properties of ecosystems composed of various species and their interactions. In this paper, network analysis of Cheonggye stream as a case study was presented to promote uses of network analysis on ecological studies in Korea. Cheonggye stream has a simple biological structure with link density of 1.48, connectance 0.07, generality 4.43, and vulnerability 1.94. The ecological network analysis can be used to provide ecological interpretations of domestic long-term monitoring data and can contribute to conserving and managing species diversity in ecosystems.

The Effects of Agricultural Ecological Environment Programs (농업생태환경 프로그램의 효과분석)

  • Lee, Kwan-Ryul;NamGung, Yeong
    • Journal of Agricultural Extension & Community Development
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    • v.28 no.1
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    • pp.1-12
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    • 2021
  • This study aims to analyze the effects of the Agricultural Ecological Environment Program, the first agri-environmental policy in Korea. To this end, as Janghyeon in Boryeong City and Hwaam in Cheongyang County were set up as experimental group. And similar to these villages nearby, Hwangryong in Boryeong and Gideok in Cheongyang have been set up as the control group. It compared and analyzed the farms' level and structure of awareness. The main results of the study can be summarized as follows. First, the Agricultural Ecological Environment Program improved the awareness of safe agricultural product cultivation and agricultural ecological environment stabilize. However, the contribution to the formation of rural community has not been statistically significant. Second, it was found that the farms clearly distinguish and recognize the safe agricultural products cultivation, the agricultural ecological environment stabilize, and the formation of rural community. On the other hand, it was found that the control group that did not participate in the agricultural ecological and environmental program was confused on the recognition of three things or did not recognize them. To summarized, the future agri-environmental policy can be grafted onto regional development policy. So, the areas of agri-environmental policy should include both agriculture and rural. In addition, the scientific discipline and movement approach should be all used also in the method of approach.

The Awareness of an Ecocity and A Willingness to Move to an Ecocity (생태도시에 대한 인식과 이주의사)

  • 곽인숙;박정희
    • Journal of the Korean Home Economics Association
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    • v.38 no.12
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    • pp.177-188
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    • 2000
  • This study was performed to investigate the awareness of an ecological city and its related variables and the willingness to move to an ecological city and its related variables. Data were collected through a questionnaire survey given to 491 residents in Mokpo, Kwangju and Muan in Chollanam Province. Awareness of the ecotogical city was medium level, half of the respondents were not aware of the ecological city. Multiple regression analysis was conducted to estimate the effects of the variables on the awareness of the ecological city. The most significant variable was environmental knowledge. Next, experience in environmental education and homeownership effected on the awareness of the ecological city. Those who knew about environmental pollution and environmental disruption had a self-reported higher degree of awareness of the ecological city. Those who had experience in environmental education as well as those who lived in their own house were more aware of the ecological city. Other variables were not statistically significant. Half of the respondents were willing to move to the ecological city. Seven variables were related with willingness to move to the ecological city. Those who knew about the environmental pollution and environmental disruption preferred to move to the ecological city. Those who lived in multi-housing had more of a willingness to move to the ecological city. People with a higher education as well as the younger group preferred to move to the ecological city. Those who were more aware of the ecological city and had more ecological-oriented values had more willingness to move to the ecological city. Salaried men and professionals were more willing to move to the ecological city than non-employed people. Among those variables environmental knowledge was the only influential variables on willingness to move to the city.

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A Study of Comparison Between Green Building Certification Criteria and Ecological Area Rate System in Apartment Housing (공동주택을 중심으로 친환경 건축물 인증제도와 생태면적율 제도에 대한 비교연구)

  • Kim, Chul;Lim, Tae-Sub;Kim, Byung-Seon
    • Proceedings of the SAREK Conference
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    • 2008.06a
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    • pp.1291-1296
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    • 2008
  • Recently, ecological area rate system become effective due to enlargement of recognition and high intellectual standard and for ecological circulation in urban areas. Ecological area rate system is to control environmental quality of life what has grown worse in urban districts and corresponds to purposes of green building certification criteria for environmentally sound and sustainable development. Therefore, purposes of this study are to present suggestions through research of theory and comparison between ecological area rate system and green building certification criteria.

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A study on the analysis of Korean eco-housing in Bang chon village (방촌마을의 생태주거단지 계획 분석에 관한 연구)

  • Choi, Yool
    • KIEAE Journal
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    • v.2 no.1
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    • pp.33-40
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    • 2002
  • The objective of this study is to interpret a typical Korean traditional settlement for searching for planning criteria of ecological friendly housing estates. The interpreting framework is five environmental ecological ideas as the adaptation to the exterior of village, the eco-space in village, the interior of house, the cycling of material and the reasonable energy system, prevention of environment pollution and reduction of wastes. Through the interpretation, it has been found out that Bang chon village has been developed to an environmental ecological rational setting and has the meaningful elements for environmental friendly housing estates. Particularly, the spatial components of Bang-chon are characterized by the concept of multi-function, and diversity, which are worth of being considered as important planning of ecological friendly housing estates.

Methodology of Climate-Ecological Priority Area Analysis for Air Corridor Planning - In the Case of Pan-Gyo Area - (바람통로 계획을 위한 기후생태적 우선지역 분석 및 설정 방법 - 성남 판교지역을 중심으로 -)

  • 송영배
    • Journal of the Korean Institute of Landscape Architecture
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    • v.31 no.3
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    • pp.58-73
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    • 2003
  • It is well known that urban environment affects climate, as we can see in the quality of bio-climate. However, climate has not been recognised properly in the urban planning process. The role it flays needs to be examined for better urban environment. The main objective of this study is to investigate the climate-ecological priority area which produces cold fresh air and thermal induced wind circulation between rural and urban areas. The objective is also to improve the quality of bio-climate and wind circulation at blocked urban areas. This paper uses the measurement and analysis method of wind direction and wind speed in order to investigate the climate-ecological priority area and cold fresh air corridor. In this study, local climate conditions i.e. wind speed, wind direction, temperature, humidity etc., were measured at nine fields and analyzed. On the basis of the climate measurement, the climate ecological priority areas were delineated; These will be assigned as climate-ecological conservation areas.

A Study on the Relationship between Spatial Distribution and External Factors of Anura Amphibians

  • Hae-In Jeong;Sun-Jib Kim
    • International Journal of Advanced Culture Technology
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    • v.11 no.1
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    • pp.356-362
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    • 2023
  • Identifying the distribution of species and specific factors related to it is very important because it is habitat conservation that is greatly linked not only to ecological research but also to human health. After all, protecting each one's habitat will protect wildlife and further maintain a healthy ecosystem. Therefore, in this study, data were collected, compared, and analyzed through existing studies and field-oriented surveys. The results of the survey confirmed high species diversity in agricultural areas and forest areas that can reduce moisture supply and moisture loss, and the non-segmental environment, that is, ecological connectivity, was largely influenced by amphibian species diversity. It was confirmed that the non-fragmented environment, that is, ecological connectivity, was greatly affected by amphibian species diversity. In addition, the three factors that affect amphibian survival are: It was identified as the effect of not establishing a buffer space, the effect on the ecological transformation around the habitat during the summer rainy season, and the effect on the disconnected ecological environment.

An Empirical Study on Interior Landscape Design Trends of High-rise Office Building (생태학적 개념을 도입한 실내조경 디자인에 관한 사례조사 연구 -고층 오피스 건물의 로비공간을 중심으로-)

  • Han, Hae-Ryon;Lee, Eun Jung;Park, young ki
    • KIEAE Journal
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    • v.5 no.4
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    • pp.41-50
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    • 2005
  • The phenomenon due to the abundance of material civilization, and the destruct of environment provokes the damage to the order of nature in the earth. To prevent the fact, the necessity of the ecology start to become influential an important issue. In an outlook on the world of the ecological concept, human evolves with an environment as the mutual interdependence eventually. The approaching of the ecological method to reform of the present environment is an essentiality. In a viewpoint, the interior landscape starts to distinguish as an ecological concept in interior environment. To recognize the necessity of an interior landscape, comparison and analysis have been carried out in the worldwide examples of the lobby space in high-rise office buildings. In the results, the interior landscape is an essential fact to create an ecological interior environment. As the perceiving of the importance in the composition of the ecological environment, it needs to recognize the imminence the introduction of the ecological concept in the human life.

The Green Mode of Parks and Green Space Construction -a Study on the Exemplary Type of Ecological Landscape-

  • Le Yang
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • no.2
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    • pp.32-38
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    • 2004
  • As for the green space construction of the modern parks, landscape design is not only for the aesthetics but its also to promote the spiritual connotation. The appearing of the exemplary type of ecological landscape reflects landscape architects have developed realization and wishes to improve the deteriorating environment and put them into practice. This paper introduces the basic intension of the exemplary type of ecological landscape, and discusses the relative background and ecological aesthetic foundation of the exemplary ecological landscape which appeared under the crisis of urban environment; lists the modern landscape designers practices of the exemplary ecological landscape; studies the developing trend of this practice which becomes multifold along with the reformation of city.

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