• Title/Summary/Keyword: Ecological analysis

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A Character Analysis of the Woodland in Cultivated Areas in point of Landscape Ecology (경작지 내 소규모 수림의 경관생태적 특성 분석)

  • Cho, Hyun-Ju;Ra, Jung-Hwa
    • Current Research on Agriculture and Life Sciences
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    • v.26
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    • pp.17-22
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    • 2008
  • This research put most emphasis on setting the guidelines for improvement through character analysis of landscape ecology to cope with ecological malfunction of the woodland surrounded in cultivated areas. The results are as follows. 1) As a result of character analysis of the woodland in cultivated area in point of landscape ecology in five case sites, the size of case site 3 is the largest as $3,000m^2$ and it is shown that a colony of pine trees which is valuable in terms of ecological, scientific, historic and cultural senses. 2) As a result of analysis on expansibility of woodland in cultivated area, case site 1 is 0.25, the lowest, flexibility is 4, the highest. In order to improve ecological function in woodland, it is regarded that maintaining curve form rather than straight one. 3) As a result of analysis of morphological diversity, case site 5 shows 1.3, the highest. However, the condition of vegetation and emergence frequency of species indicates low value degree. 4) Based on the result of analysis of landscape ecological character like above, the number of guidelines for the woodland in cultivated area is three and vegetation is four.

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Analysis of Isolation, Connection and Circulation with the Neighborhood park in Daegu

  • Ryu, Yeon-Su;Ra, Jung-Hwa;Cho, Hyun-Ju;Kim, Jin-Hyo;Kwon, Oh-Sung
    • Current Research on Agriculture and Life Sciences
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    • v.30 no.1
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    • pp.13-25
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    • 2012
  • Major and reckless development which have been continued during the last half century, have caused decrease and damage of urban green spaces in the point of qualitative and quantitative view. Particularly, it brought about reduction to urban neighborhood park which has taken the main role for landscape ecological value. Recently, neighborhood park planning based on the landscape ecological results has been increasing gradually. Most of all, diverse attempts such as the application of shape character analysis and the step of landscape ecological planning in urban park planning have been proposed. Today, we recognize the importance of comprehensive approach in urban green planning and neighborhood park planning, but landscape ecological approach which is analyzing character and making proposal with isolation, connection and circulation is still insufficient. Most of neighborhood parks in Korea are surrounded by buildings and isolated from adjacent green spaces. Besides, these parks have landscape ecological problems such as reduction of size, isolation from adjacent green spaces, decline of nature, and excessive pavement which we ignored during urban development process. We have sympathy for understanding landscape ecological characters and considering improvement proposals for neighborhood parks Therefore, the purpose of this study was to 1) select five neighborhood parks in Daegu, 2) analyze landscape ecological characters with isolation, connection and circulation, and 3) compare data. It is certain that these results should be the main data for the arrangement of improvement proposals which landscape ecological characters were appled to.

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Assessing conservation priorities of unexecuted urban parks in Seoul using ecological network and accessibility analyses (생태네트워크와 접근성 분석에 의한 서울시 미집행 도시공원의 보전 우선순위 평가)

  • Kang, Wan-Mo;Song, Young-Keun;Sung, Hyun-Chan;Lee, Dong-Kun
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.2
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    • pp.53-64
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    • 2018
  • This study aims to quantitatively evaluate the conservation priorities of unexecuted urban parks in Seoul both from an ecological and public perspective. To this end, two methodologies, ecological network analysis based on graph and circuit theory and accessibility analysis, were employed in order to assess ecological connectivity of and public accessibility to unexecuted parks, respectively. This study applied linkage-mapping methods (shortest path and current flow betweenness centrality) of connectivity analysis to an integrated map of landscape permeability. The population-weighted accessibility to unexecuted parks was measured based on a negative exponential distance decay function. As a result, for both ecological connectivity and accessibility, Gwanaksan, Suraksan, and Bulamsan urban natural parks are found to be the most important (rank 1-3) to be conserved. For these sites, inner park areas with conservation priorities for connectivity and accessibility were identified. The findings of the study can be used for giving conservation priority to the unexecuted urban parks in terms of long-term sustainable urban planning.

The Relationship between Disturbances of Hydromorphological Structures and Naturalized Plants Ratio in Small and Mid-sized Streams (중·소하천에서 물리적 구조의 교란과 하안식생 귀화율의 관계)

  • Chun, Yeajun;Choi, Yun Eui;Hong, Sun Hee;Chon, Jinhyung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.1
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    • pp.207-225
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    • 2013
  • Current ecological stream restoration is focusing on recovery of physical characteristic and ecological functions of individual stream. For effective stream restoration, the relationship between stream environment and riparian flora should be investigated. The purpose of this study is to analyze the relationship between disturbance of hydromorphological structures and naturalized plants ratio in small to mid-sized streams. For the study sites, Gwanpyeong stream, Dongdal stream, and Yongchoo streams were chosen as 'reference stream' while, Gunnam stream, Anchang stream, and Hwa stream were chosen as 'damaged stream'. The hydromorphological structures of streams were evaluated with LAWA and flora of the streams were completely enumerated to calculate naturalized plants ratio. The result showed that there was a significant correlation between the outcome of LAWA and naturalized plants ratio(r=0.675, p<0.01). The result of factor analysis of LAWA identified three factors, 'River front and land use', 'River bed materials and structures', and 'Crossing structure and bar'. Among the factors of hydromorphological structures given by the result of factor analysis, 'river front and land use' and 'bed materials and structures' have statistically significant relationship with naturalized plants ratio($R^2$=0.470, p<0.01). Given this results, quantitative analysis on the relationship between disturbance of hydromorphological structures of streams and naturalized plants ratio could provide some essential information for stream restoration. Also, as this study figured out major factors of hydromorphological structures that affect naturalized plants ratio, it might help monitor ecological states and current problems of small and mid-sized streams.

Development and Applications of Ecological Data Portal Service (EcoBank) for Sharing Ecological Information of Korea (생태정보의 공유를 위한 생태정보 포털서비스 (EcoBank) 구축 및 활용 방안)

  • Sung, Sunyong;Kwon, Yong Su;Kim, Ki Dong
    • Korean Journal of Ecology and Environment
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    • v.51 no.3
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    • pp.212-220
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    • 2018
  • Ecological and ecosystem database is becoming very necessary to understand origins and relationship between human and nature and also to minimize disturbance caused by human activities. An ecological information portal can play important roles as a computing system to collect knowledge, distributed research findings and separated data from researchers. In this study, we designed and developed ecological information portal service (EcoBank 1.0) for collecting and providing ecological information for diverse classes of stakeholders. To reach the goal, we had reviewed related and comparable ecological database portals to design conceptual structure of EcoBank system including database management framework. Then, we developed some functions of ecosystem analysis for each stake-holders (researchers, general public and policy makers). As a result of this study, we successfully designed of EcoBank system covering the functions of Digital Object Identifier(DOI) publishing and data quality management process. Also, we (1) applied ecological indices for calculating biodiversity by administrative boundary for policy makers, (2) provided statistical information of econature map for general public and distribution characteristics of species for researchers. To make a successful establishment of EcoBank, we have to collect and build up related database and offer various and reliable ecological data consistently. We expect that the successful construction of EcoBank will help not only to accomplish sustainable development goals but also to raise the welfare of ecosystem in Korea.

A Case Study on the Composition Method of Environment-Friendly Architecture of the Educational Facilities -Focused on Ecological Environment Elements- (교육시설의 친환경건축 조성기법에 대한 사례 연구 -생태환경요소를 중심으로-)

  • Yang, Kum-Suek
    • Journal of the Korean Institute of Rural Architecture
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    • v.13 no.1
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    • pp.55-62
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    • 2011
  • The purpose of this study is to clarify the actual condition of real certification schools of environment-friendly architecture per ecological environment elements through extracting ecological environment elements which is possible to analyze in quantity certification standards of environment friendly architecture. As the method of this study, firstly, certification as an examination on certification system of environment-friendly architecture, summary of certification system of environment-friendly architecture and eco-school pilot model project, ecological environment elements which is possible for quantitative analysis of ecological environment certification standards were extracted. Secondly, actual condition of ecological environment elements per school grade by collecting actual data of certification schools environment-friendly architecture were analyzed. The average of ecological area ratio was 24.5 percent in case of this certification regardless of school grade and region and it was analyzed that the natural based green area ratio was 22.9 percent, bio-tope area ratio was 0.60 percent and ecological learning places area ratio was 0.39 percent.

A Study on the Characteristics of Ecological Design in Modern Architecture space (근대건축공간의 생태적 디자인 특성에 관한 연구)

  • Rhee Youn-Hee
    • Korean Institute of Interior Design Journal
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    • v.14 no.5 s.52
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    • pp.52-61
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    • 2005
  • Ecological traces appearing in contemporary architecture are based on modern architecture and most aspects on the contemporary architecture are related with the successive trend or break of the modern architecture. The concept of environment in the modern age has established clear destination, as it has been considered as nature. The architecture under a mechanical world view in the modem age has sustained the opposing connection with nature as environment. However, there have been architects maintaining the sympathy with nature in that vortex. This trend has been regarded as same context as ecological architecture and estimated to the outpost of ecological characteristics appearing in the contemporary architecture. This study is to make it clear that the ecological manifestation in the contemporary architecture is based on the ecology in the modem architecture through considering ecological ideals of architects in the modern architecture and considering space composition and structural properties in the modern architecture of ecological paradigm. The scope of this study contains spacial analysis, design strategy, and design types of organic architecture in nature, which has appeared from the modern age. First, the division into period is carried out according to the organic tendency of non-mainstream in the modern architecture: Arts and Crafts Movement, Art Nouveau, Sezession, Expressionism, Organic Architecture, Regionalism, Internationalism. Therefore, this study is significant to be on the search for a start to suggest ecological point of view to architectural space in modern architecture and is search organic characteristics for ecological characteristics in modern architecture; organic relation, thermal buffer space, regionalism, multi-layer, energy efficiency.

A Case Study on the Actual Condition and Composition Method of Environment-Friendly Architecture of the School Facilities -Focused on Ecological Environment- (학교시설의 친환경건축 조성기법과 실태에 관한 사례 연구 -생태환경부분을 중심으로-)

  • Yang, Kum-Suek
    • Journal of the Korean Institute of Rural Architecture
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    • v.11 no.4
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    • pp.9-16
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    • 2009
  • The purpose of this study is to clarify the actual condition of certification schools of environment-friendly architecture and general school per ecological environment elements through extracting ecological environment elements which is possible to analyze in quantity certification standards of environment-friendly architecture. As the method of the study, first, certification as an examination on certification system of environment-friendly architecture, summary of certification system of environment-friendly architecture and eco-school pilot model project in japan, ecological environment elements which is possible for quantitative analysis of ecological environment certification standards were extracted. Second, actual condition of ecological environment elements per school grade(middle school of environment-friendly architecture and general middle school) by collecting actual data of certification schools environment friendly architecture were analyzed and the results are as the follows. The average of ecological area ratio was 28.3 percent in case of this certification regardless of school grade and region and it was analyzed that the natural based green area ratio was 26.5 percent, bio-tope area ratio was 0.4 percent and ecological learning places area ratio was 0.45 percent.

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The Study Characteristics of Korean Traditional Space from an Ecological and Aesthetic (생태미학적 관점에서 본 한국 전통공간의 특성에 관한 연구)

  • Yang, Eun-Jee;Kim, Kai-Chun
    • Korean Institute of Interior Design Journal
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    • v.19 no.3
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    • pp.57-66
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    • 2010
  • Currently, the nature and ecosystem's destruction by human beings and science is appearing as a serious problem. The possibility of ecological aesthetics is being sought as one of operations for new society in the contemporary society that the nature and ecosystem are getting attention, The present research aims to examine the characteristics and its expression method by setting the ecological aesthetics as an alternative of the future design. The history, meaning, mental image and image of Korean traditional Space forming the balance and harmony with the Nature, etc., which are important design concepts, were deduced as the beauty of emptiness, the beauty of a gap, the beauty of harmony and the beauty of changing and the beauty of simplicity as characteristics of experiencing space. If the deduced expression is examined through a case analysis of traditional housing, the characteristics trying to unite with the Nature while seeing ecology and aesthetics as one root, which the ecological aesthetics regarding as a root. The ecological arts based on the ecological aesthetics enters inside the universal life of human beings by examining the ecological and aesthetic characteristics appearing in Korean traditional Space, and the arts will move forward in a direction that its function and role link with maintenance of total ecosystem. The space application possibility and expression characteristics of ecological aesthetics should be continuously researched.

A Study on the Actual condition and Composition Method of Environment-Friendly Architecture of the Elementary School Facilities -Focused on Ecological Environment- (초등학교시설의 친환경건축 조성기법과 실태 연구 -생태환경을 중심으로-)

  • Yang, Kum-Suek
    • Journal of the Korean Institute of Rural Architecture
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    • v.12 no.4
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    • pp.69-76
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    • 2010
  • The purpose of this study is to clarify the actual condition of real certification schools of environment-friendly architecture per ecological environment elements through extracting ecological environment elements which is possible to analyze in quantity certification standards of environment friendly architecture. As the method of this study, firstly, certification as an examination on certification system of environment-friendly architecture, summary of certification system of environment-friendly architecture and eco-school pilot model project, ecological environment elements which is possible for quantitative analysis of ecological environment certification standards were extracted. Secondly, actual condition of ecological environment elements per school grade by collecting actual data of certification schools environment-friendly architecture were analyzed. The average of ecological area ratio was 23.3 percent in case of this certification regardless of school grade and region and it was analyzed that the natural based green area ratio was 20.6 percent, bio-tope area ratio was 0.73 percent and ecological learning places area ratio was 0.43 percent.