• Title/Summary/Keyword: Ecological data

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Monitoring of Agro-Ecological Environments at Small Watershed (농업유역의 생태환경 모니터링 기법 연구)

  • 박승우;윤광식
    • Journal of Korean Society of Rural Planning
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    • v.2 no.2
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    • pp.91-102
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    • 1996
  • Monitoring techniques for afro-ecological environments were studied, Hydrologic and ecological components in conjunction with water quality were monitored in the Balkan watershed. The hydrologic monitoring program consists of four water level gauging stations along creeks and stream at the watershed having 26.5 km2. Stage - storage relationship of reservoir, rainfall amount of the watershed, and rating curve of the stream gauging stations were established. Soil type, land use, hydrologic soil group, population and economic activities within the watershed were surveyed. Water quality data from the streams were sampled weekly and chemical analysis was conducted. Temporal variations of water quality were investigated and water quality map of each reach of stream was made to identify spatial variations. Seasonal and spatial variations of vegetation densities along stream in the watershed were investigated using grid, Density variations of insect species such as arthropod, flying insect, spider spices, rice insects were also monitored to determine seansonal surveying density. These monitored data will be used to develop monitoring techi%ues and afro - ecological environment models.

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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 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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Landscape Planning and Design by Ecological Approach (생태적(生態的) 접근방법(接近方法)에 의한 조경계획(造景計劃) 및 설계(設計))

  • Lee, Ki-Eui;Jo, Hyun-Kil;Lee, Chang-Whan
    • Journal of Forest and Environmental Science
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    • v.6 no.1
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    • pp.18-28
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    • 1989
  • The purpose of this study is to emphasize the indispensability and generalization of ecological approach in landscape planning and design, by describing the main ecological principles and the process and method applying them to landscape planning and presenting the case study of ecological planning. Landscape architecture is the science dealing with nature and therefore ecological approach in it cannot be emphasized too much. The main ecological principles that must be considered in landscape planning and design are energy flow, food chains, biogeochemical cycles, limiting factors, carrying capacity and homeostasis, vegetational succession, ecotone and edge effect, ecological niche, etc.. The seven component factors of natural ecosystem are climate, geology, physiography, hydrology, soil, vegetation, wildlife. These seven factors are interrelated by the above mentioned ecological principles. In landscape planning and design process, it is necessary that landscape architect should interpret and assess not only the component factors of natural ecosystem but also the interrelationships and ecological principles immanent in them and apply the data to final plan.

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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.

An Introductory Research for Development of Soil Ecological Risk Assessment in Korea (토양생태 위해성평가 제도 국내 도입방안 연구)

  • An, Youn-Joo;Kim, Shin Woong;Moon, Jongmin;Jeong, Seung-Woo;Kim, Rog-Young;Yoon, Jeong-Ki;Kim, Tae-Seung
    • Journal of Korean Society of Environmental Engineers
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    • v.39 no.6
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    • pp.348-355
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    • 2017
  • Human activities have resulted in soil pollution problems to us. Human and ecological risk assessment have been suggested as an efficient environmental management strategy for protecting human and ecosystems from soil pollution. However, Korean environmental policy is currently focused on human protection, and fundamental researches for ecology protection are required for institutional frameworks. In this study, we developed a schematic frame of Korean soil ecological risk assessment, and suggested the basic information for its application. This study suggested a soil ecological risk assessment scheme consisting of 4 steps for derivation of Predicted-No-Effect-Concentration (PNEC): 1) ecotoxicity data collection and reliability determination, 2) data standardization, 3) evaluation of data completeness for PNEC calculation, and 4) determination of ecological-risk. The reliability determination of ecotoxicity data was performed using Reliability Index (RI), and the classification of domestic species, acute/chronic, toxicity endpoint, and soil properties was used for data cataloging. The PNEC calculation methodology was determined as low-reliability, middle-reliability, and high-reliability according to their quantitative and qualitative levels of ecotoxicity data. This study would be the introductory plan research for establishment of Korean soil ecological risk assessment, and it can be a fundamental framework to further develop guidelines of Korean environmental regulation.

Machine Learning Application to the Korean Freshwater Ecosystems

  • Jeong, Kwang-Seuk;Kim, Dong-Kyun;Chon, Tae-Soo;Joo, Gea-Jae
    • The Korean Journal of Ecology
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    • v.28 no.6
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    • pp.405-415
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    • 2005
  • This paper considers the advantage of Machine Learning (ML) implemented to freshwater ecosystem research. Currently, many studies have been carried out to find the patterns of environmental impact on dynamics of communities in aquatic ecosystems. Ecological models popularly adapted by many researchers have been a means of information processing in dealing with dynamics in various ecosystems. The up-to-date trend in ecological modelling partially turns to the application of ML to explain specific ecological events in complex ecosystems and to overcome the necessity of complicated data manipulation. This paper briefly introduces ML techniques applied to freshwater ecosystems in Korea. The manuscript provides promising information for the ecologists who utilize ML for elucidating complex ecological patterns and undertaking modelling of spatial and temporal dynamics of communities.

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.

Podospora leporina (Podosporaceae): An Unrecorded Endophytic Fungus Isolated from Cypripedium guttatum

  • Ju-Kyeong Eo;Juo Choi;Seung Won Lee;Nam Young Kim
    • The Korean Journal of Mycology
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    • v.50 no.4
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    • pp.361-365
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    • 2022
  • Here, Podospora leporina was isolated and cultured from Cypripedium guttatum Sw. (spotted lady's slipper), which was designated as an endangered wildlife class 1 by the Ministry of Environment. Further, Podospora sp., which is found in Calanthe discolor Lindl. (Japanese hardy orchid) root is recorded as an endophytic fungus in Jeju Island, Korea. However, there is no existing record of Podospora spp. Thus, in this study, we analyzed the morphological characteristics and two molecular markers, internal transcribed spacer (ITS) and large ribosomal subunit (LSU), of P. leporina and compared these data with other relative species. Consequently, this endophytic fungal species was confirmed as an unrecorded species in Korea, so we presented cultural characteristics and microstructures, such as the conidia of P. leporina.

Monitoring the Ecological Drought Condition of Vegetation during Meteorological Drought Using Remote Sensing Data (원격탐사자료를 활용한 기상학적 가뭄 시 식생의 생태학적 가뭄 상태 모니터링)

  • Won, Jeongeun;Jung, Haeun;Kang, Shinuk;Kim, Sangdan
    • Korean Journal of Remote Sensing
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    • v.38 no.5_3
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    • pp.887-899
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    • 2022
  • Drought caused by meteorological factors negatively affects vegetation in terrestrial ecosystems. In this study, the state in which meteorological drought affects vegetation was defined as the ecological drought of vegetation, and the ecological drought condition index of vegetation (EDCI-veg) was proposed to quantitatively monitor the degree of impact. EDCI-veg is derived from a copula-based bi-variate joint probability model between vegetation and meteorological drought information, and can be expressed numerically how affected the current vegetation condition was by the drought when the drought occurred. Comparing past meteorological drought events with their corresponding vegetation condition, the proposed index was examined, and it was confirmed that EDCI-veg could properly monitor the ecological drought of vegetation. In addition, it was possible to spatially identify ecological drought conditions by creating a high-resolution drought map using remote sensing data.