• 환경영향평가
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• 제7권2호
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• pp.53-64
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• 1998

This study was performed to build up the ecological guidelines to grasp the structure of the vegetation change which is due to river rehabilitation. Anyway, river ecosystem and function has been destroyed owing to river development. It is important that river vegetation supplies ecological corridor and biotope. Two survey sites(Wonsungcheon and Pungseocheon)were investigated in the aspect of plant ecosystem and structure to settle the practical concept of river ecosystem. Each survey site was subdivided to five plots. The site was surveyed through the belttransect method. Wonsungcheon gets more seriously polluted as it runs to the urban area. In other words, there are On the other hand, Pungseocheon has more naturality but its downstream is under the pressure of various wood plants in the upstream area, but downstream area is dominated by naturalized plants such as Bidens frondosa, Panicum dichotomiflorum, etc. Riverbank of downstream has been changed into farm and parking lot. development. It should be preserved definitely because it still has abundant naturality and wetland which formed a biotope. The objective of the research is to find out the river retrogression and maintenance methods based on the riparian vegetation structure. To manage the river ecologically, hydrophytes should be induced partly for natural purification after the riverside is rehabilitated. The vegetation should be induced step by step to restore natural river and steady monitoring and research are required.

• 한국환경복원기술학회지
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• 제17권1호
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• pp.173-184
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• 2014

Riparian areas are significant functional grounds for inhabiting ecological system on the river such as the self-regulation of the water quality and the foundation of important corridors. For such functional device to operate, consecutive land purchase scheme that prioritizes targeted areas with high pollutant load rate imposes sustainable development of the ecological riparian belt. The purpose of this study is focused on measuring the methodology for selecting land purchse order before establishing riparian belt in accordance with pollution loading estimation and the basin approach. The Yeongsan and Seomjin river which includes targeted areas of the land purchase have been classified into the large-medium-small(standard basin) influence areas based on their catchment rage, which than sub-divided the research area of Juam lake by 38 small basins and 223 units. Small basins with the high pollution load rates have been assessed as the first prioritized targets. For the second priority, the condition of the point pollutant sources, original area of the targets, original restored area were concerned. The final decision of the land purchase order targeted only those within 50 meter range from the basin. To validate the accumulated data, the on-site investigation went along the targeted zones, which the result shows that all prioritized areas included both point and non-point pollutant sources, and had not a small originally restored areas.

• 한국환경복원기술학회지
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• 제12권3호
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• pp.142-163
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• 2009

Taebaek city is located in the mountainous plateau area therefore the major industry was coal industry. According to dramatically declining of the major industry, Taebaek city is need to alternative industry which associated with considering the geographical characteristics of natural tourism resources for increasing the local economy. On the basis of these reasons, this study can be suggested ecological planning and mitigation of deterioration technique about the these study site. That is the reserved area for mountainous experience theme park. As the results of environmental ecology assessment are following as; The natural ecosystem areas, multi-layer structure forest such as forest of Pinus densiflora, forest of Quercus mongolica and deciduous forest have a high value of nature, diversity and potential. In addition, wild bird habitats were important area as a inhabitation, breeding, feeding and hiding. Therefore, on these areas should be preserved. Also, it needs to conserve on there such as more than three types of wild bird inhabitate areas, the fringe of high biological diversity, the wetland that have got good vegetation condition and the function of amphibia, reptiles crossing. In addition, inhabitation, the waterway of wetland form that have got wide waterside width needs to conserve. In conclusion, on the basis of analysis results such as conditions of plan, environment, ecological assessments, survey informations are able to suggest the connectivity of the axis of forest and management plan. Moreover, in the part of forest restoration plan, we suggest the plan of transplant for a compensation of damaged forest by land use.

• 농촌계획
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• 제13권3호
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• pp.61-72
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• 2007

Natural resource of the island and coastal regions is one of the most important element of ecological network system in Korea. Currently, there is trend that natural and biological resources such as fishing and tidal wetland have been used to local economic activation in island and coastal regions. According to the 5-days work in a week, island and coastal regions become important amenity resource of citizen's recreation area. Korea is peninsula surrounded by maritime. Especially, South and West Sea surrounded by many islands and tidal flat wetlands are emerging marine ecosystem and seascape in the world. Natural resource is limited, so we have to sustain those resource to current tourism. In this study, I would like to suggest that importance of cultural resource as well as natural resource for 'eco-cultural tourism' in order to keep both biological diversity and cultural diversity as amenity resource for future island economic activation in Korea.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2006년도 Proceedings of ISRS 2006 PORSEC Volume II
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• pp.764-767
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• 2006

It can be important framework data to monitor the change of land-use pattern of river boundary in design and management of river. This study analyzed the change of land-use pattern of Gab- and Yudeung River using time-series aerial images. To do this, we carried out radiation and geometric correction of image, and estimated land-use changes in inland and floodplain. As the analysis of inland, the ratio of residential, commercial, industrial, educational and public area, that is urbanized element, increases, but that of agricultural area shows a decline on the basis of 1990. Also, Minimum Distance Method, which is a kind of supervised classification method, is applied to extract water-body and sand bar layer in floodplain. As the analysis of land-use, the ratio of level-upped riverside land and water-body increases, but that of sand bar decreases. These time-series land use information can be important decision making data to evaluate the urbanization of river boundary, and especially it gives us goodness in river development project such as the composition of ecological habitat.

• 한국산림과학회지
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• 제19권1호
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• pp.25-31
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• 1973

1) 남서부(南西部) Mojave Desert의 식생관계(植生關係)를 동서남북(東西南北) 사면별(斜面別)로 1971년(年) 12월(月) 10일(日)부터 12일(日) 사이에 분석(分析) 비교(比較)하였다. 2) 조사지중(調査地中). Lycium andersonii가 우점종이고 다음으로 중요치(重要値)가 높은 종(種)들은 Larrea, Ephedra Franseria 등의 순서(順序)이었다. 3) 남사면(南斜面)에서의 Lycium의 중요치(重要値)는 다른 사면식물(斜面植物)보다 높아 약(約) 반(半)을 점유(占有)했다. 4) 식물상(植物相)은 지극(至極)히 단순(單純)하고 밀도(密度)가 낮아 35개(個) $1m^2$ 방형구(方形區) 중(中) 10종(種) 40개본(個本) 이내(以內)였다. 5) 사면별(斜面別) 식생(植生) 차이(差異)는 없었다. 6) 각(各) 사면별(斜面別) 중요치(重要値) 계수(係數)에 의한 군락계수(群落係數)의 비교(比較)에 의하면 87% 이상(以上)으로 거리(距離) 방향(方向)에 관계(關係)없이 이곳은 모두 같은 군총(群叢)에 속(屬)한다. 7) 본(本) 조사지(調査地)에서 공통(共通)으로 나타난 종(種)은 Lycium, Larrea, Ephedra, Franseria, Eriogonum, Yucca, Aster 등 7종(種)이다.

• 한국조경학회지
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• 제37권6호
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• pp.39-47
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• 2010

해안생태계 지역은 휴양이나 관광을 위한 기회 제공과 더불어 자연자원의 보전이라는 두 가지 가치가 상충하는 공간이다. 하지만 대부분 이러한 지역에서는 자연자원의 중요도를 높이 평가하여 관리전략을 세우다 보니 방문객의 만족도 면이 간과되고 있는 실정임에도 불구하고, 방문객들의 지속적인 증가로 1970년대 이후부터 이를 보완하기 위한 수단으로 중요도 만족도 분석이 실시되고 있다. 본 논문은 현재 기조성되어 있는 순천만 자연생태공원의 방문객을 대상으로 관리전략이 상충되는 주요 관리요소에 대한 중요도와 실제 방문객들이 느끼는 만족도 사이의 차이를 주중과 주말로 나누어 분석하였다. 분석 결과, 자연생태공원이나 시 차원에서 많은 관심과 투자를 기울이고 있었지만 홍보효과 측면에서 그 효용성이 떨어졌다. 따라서 안내시설이나 홍보교육을 위한 시설과 인력구축이 이루어져야 한다. 또한 주말과 주중의 방문객의 동반형태가 달라지기 때문에 차별화된프로그램이 필요하며, 연령대에 따른 정보 교육 통제를 위한 가이드투어 프로그램을 운영하여 시공간별 이용객 통제가 이루어져야 한다. 그리고 조류출현에 대한 만족도 부분에서는 조류 출현에 대한 사람들의 기대심리를 충족시켜줄 수 있도록 관찰 교육 전시를 위한 사육종 공간이 조성되어야 할 것이다. 방문객의 긍정적인 만족도는 제한된 지역에서의 관리전략 수립시 매우 중요한 결과물로 제공될 수 있다. 따라서 중요도 만족도가 상충하는 해안생태계지역의 관리우선순위를 통한 관리 전략의 필요성과 연관된 지침을 세우는데 기초 자료로 제공될 수 있을 것으로 사료된다.

• 한국환경복원기술학회지
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• 제26권5호
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• pp.47-56
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• 2023

The Quercus variabilis and Quercus dentata, which are said to be relatively drought tolerant among the important genus Quercus that represent deciduous broad-leaved forests in Korea. These two species are widely distributed worldwide in Korea, Japan and China (northern, central, western and eastern subtropical regions). This study compared the ecological niche breadth and overlap according to growth response in 4 soil moisture gradients for the two species and tried to reveal degree of competition and ecological niche characteristics. The ecological niche breadth was 0.977±0.020 for Q. variabilis and 0.979±0.014 for Q. dentata, the latter being slightly wider. And they were similar in 5 traits (stem length, leaf lamina length, leaf width length, stem weight, leaf petiole weight), Q. variabilis was more dominant in 4 traits (leaves number, stem diameter, leaf area, leaf petiole length), and Q. dentata was more dominant in 7 traits (root length, shoot length, plant weight, root weight, shoot weight, leaf weight, leaf petiole weight). The ecological niche overlap for soil moisture between the two species overlapped most in plant structure-related traits and least in photosynthetic organ-related traits such as petiole length. As a result of principal component analysis, degree of competition between the two species for soil moisture was more severe when the soil moisture condition was low than high. Among the measured traits that affect the two-dimensional distribution, 8 traits (Leaves number, Shoot length, Stem length, Plant weight, Root weight, Shoot weight, Stem weight, Leaves weight) were correlated with the factor 1, and 2 traits (Leaf width length, Leaf petiole weight) were correlated with the factor 2 (r>0.5). These results show that the ecological response of the two species to soil moisture is not a few traits involved, but several traits are involved simultaneously.

• 한국환경복원기술학회지
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• 제26권6호
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• pp.117-133
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• 2023

This study assessed the ecological health of border areas using the ecological health index and suggested Indicators for maintaining and promoting ecological values. We analyzed the change trends, pressures, and resilience of ecosystems and services in border areas, and identified their current status and sustainability. The main findings were: (1) ecological assets and ecosystem services in border areas could be compared through ecosystem health assessment; (2) it can be used to set priorities for management and conservation by identifying the relative importance and vulnerability of ecosystems and ecosystem services in each border area; and (3) the index presented in this study can be judged to have explanatory power for the characteristics of border areas and ecosystem health when compared to previous studies. Limitations of this study include the lack of literature and statistical data at the local government level and the resulting limited application of evaluation methods, which limited direct regional comparisons. To overcome the research limitations, further studies are needed, such as establishing ecological information in border areas, mapping and assessment of ecosystem services, and developing and applying assessments that reflect the opinions and participation of various stakeholders. This study was the first attempt to assess the health of ecosystems and ecosystem services in border areas and provided an important baseline for future changes in border areas. In the future, it will be helpful in national and local government policies and ecological assetecosystem management by supplementing insufficient information and presenting clear goals.

• The Korean Journal of Ecology
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• 제8권4호
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• pp.205-214
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• 1985

At the Changnyeung natural bod, the flood in the freshwater wetland and the adaptation of the insect at this area were investigated by the species diversity index and the cluster analysis. Most dominant species was Diplonychus esakii collected at the site of the water edge and its dominance index was 0.797. This area had lower species diversity indices with the value of 0.340 to 1.712 than that of the grassland and water stream. The number of the species in this area was not rich. Some ground beetles inhabited at the flooded or wet area were important species for the pair group between the sites by the cluster analysis. The composition of the insect species at this natural wetland affected by the irregular flood was very simple and specific.