• 한국환경복원기술학회지
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• 제7권1호
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• pp.77-84
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• 2004

This study was conducted to suggest vegetation mat forming methods with native wildflowers, introduced wild flower, grasses and native herb plants which can be used for erosion control of the disturbed slopes. The main results are summarized as follows. In forming the vegetation mat at early stage, foreign grasses, native wild plants shows more effective than the other seed mixture types. But, after 12 weeks, using native wild flowers shows more effective than foreign grasses. Also, the mixture of the native grasses and kentucky bluegrasses (seed mixture type F) are the best in ground coverage among the seed mixtures types. In order to restore slopes more naturally, more diverse plants should be used. The native grasses such as Marrubium incisum Bentham, Lutos comiculatus L. var. japonicus Regel, and Artemisia princeps Pampan seems to be useful to forming the vegetation mat, also it will be more easy if mixing with foreign grasses such as Kentucky bluegrass. The mixture of native grasses and introduced wild flowers are not proper in forming the vegetation mat. Also, pot planting of the native grasses are not proper in forming the vegetation mat.

• Journal of the Korean Wood Science and Technology
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• 제42권1호
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• pp.27-33
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• 2014

거대억새에 폐목재 칩과 펄프슬러리를 첨가하여 제작한 식생기반재의 특성에 대해서 검토하였다. 공극률은 펄프슬러리의 첨가량 증가와 함께 증가하였지만, 목재칩과 펄라이트 첨가량 증가와 함께 다소 감소하였다. 투수계수는 각 다른 원료를 이용하여 혼합한 조건에서 거대억새 첨가량이 적을수록 낮게 나타났다. 토양경도는 거대억새 첨가비율이 낮을수록, 펄프슬러리, 목재 칩, 펄라이트의 첨가비율이 높아질수록 높게 나타났다. 박리강도는 모든 조건에서 거대억새 첨가량의 적을수록 낮았다. 수소이온농도(pH)는 전반적으로 약알칼리성으로 나타났다. 휨파괴계수는 전체적으로 각 조건별로 거대억새의 첨가율이 적을수록 높게 나타났다.

• 한국산학기술학회논문지
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• 제13권12호
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• pp.6151-6158
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• 2012

친환경 하천사업의 활성화로 식생매트의 사용은 증가하고 있으나 수리적 안정성에 대한 평가는 미흡한 실정이다. 본 연구는 호안용 식생매트 제품의 객관적인 수리안정성 시험 기법 개발을 위해 수행하였다. 이를 위해서 식생매트 2종에 대한 실규모 실험을 수행하여 수리량을 측정하고 분석하여 작용 소류력을 계산하였다. 1차원 부정류 모형을 이용하여 최적 조도계수를 결정하고 작용 소류력을 계산하였다. 각 유량의 시험 후에는 매트 표면 및 기반층의 변동 여부를 기록하여 평가하였으며 이에 따라 매트표면의 손상 유형 3가지 및 기반층의 손상 유형 2가지를 제시하였다. 본 연구에서는 식생매트의 표면 변동이 있더라도 하부 기반층의 유실이 발생하지 않는 경우에는 안정한 상태로 제안하였다. 이에 따라 실험체 2종의 허용소류력을 평가하였으며 철망으로 보강된 식생매트가 허용 소류력 측면에서 효과가 있는 것을 확인할 수 있었다.

• 한국물환경학회지
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• 제26권1호
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• pp.52-60
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• 2010

We investigated temporal changes of growth of hydrophytes, aquatic biota and absorption of nutrient depending on planting mat type (synthetic fiber, coconut fiber) of artificial vegetation island (AVI) through pilot test using AVI miniatures in Kyungan Stream area of Lake Paldang. There were not significant differences of the water quality parameters (DO, pH, conductivity, turbidity, temperature), phytoplankton and zooplankton abundance among AVI miniatures and control station. The benthic macroinvertebrates showed most individual numbers in the miniature which was made by synthetic fiber and planted with Phragmites australis. The average and maximum height of hydrophytes in AVI miniatures was similar except one miniature where Phragmites australis was planted in synthetic fiber mat and grew more slowly. The adsorbed amount of nutrients and microbes in coconut fiber mat were larger than those in synthetic fiber mat regardless of trophic state of installed waterbody. The continuous increase of adsorbed amount of nutrients and microbes of coconut fiber mat for 8 months in an oligotrophic lake indicates that coconut fiber mat is suitable for the planting mat of AVI in an oligotrophic lake where nutrients are limited for growth of hydrophytes.

• Journal of Ecology and Environment
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• 제42권4호
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• pp.220-227
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• 2018

Background: To understand the ecological characteristics of floating mat in which endangered species of Iris laevigata and Menyanthes trifoliata inhabit, we surveyed the vegetation and water environments of a floating mat wetland and examined the relations between ecological characteristics of the mat. Results: Although Phragmites australis and Zizania latifolia were found at all experimental quadrats (n = 61) as the major vegetational components of the floating mat wetland, they showed relatively poor growth performances in terms of shoot height (< 2 m) and biomass production (<$300g/m^2$) compared with those in soil-based wetlands because of oligotrophic water condition. The competitiveness and distribution of P. australis and Z. latifolia seemed to be determined by water level difference by micro-topography rather than water chemistry. Conclusion: P. australis and endangered plant species mainly occurred in the area of relatively shallow water, whereas Z. latifolia and deep-water species such as Scirpus fluviatilis mostly inhabit in the area of deep water on the floating mat. Continuously maintained water level and oligotrophic water condition in the floating mat appeared to be important environments for endangered species such as I. laevigata and M. trifoliata.

• 한국환경과학회지
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• 제31권3호
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• pp.247-254
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• 2022

This study investigated the effect of vegetation mat on plant growth and salt reduction in the soil treated with high concentration deicing salt. In order to measure soil chemical characteristics and plant growth, three native groundcover plants (Dendranthema zawadskii var. latilobum, Dendranthema boreale, and Kalimeris yomena) were grown in each of the three plastic containers (50.0 cm width × 35.0 cm length × 8.5 cm deep) with a high concentration treatment of calcium chloride deicing salt. There were two treatments: control, and BVM that combines B (blanket) and VM (vegetation mat). 1,600 g of soil was placed on the top of the drainage layer with 290 g of perlite, 100 seeds each of the three native plants with three repetitions were sowed, and 10 g/L of calcium chloride deicing salt was added in the treatment. As a result of the chemical properties of soil, soil in control treatment was acidic and soil electrical conductivity in BVM was the lowest. Also, exchangeable cations (K⁺, Ca²⁺, Na⁺, and Mg²⁺) in soil and all the three plants were significantly decreased in the BVM treatment. Meanwhile, the germination rate of Dendranthema zawadskii var. latilobum was the highest under high concentration deicing salt in compared to the two plants. Overall, three native groundcover plant growth was higher in the BVM than control treatment significantly. These results suggest that the treatment of blanket vegetation mat has a positive effect on soil and plant growth in soil damaged by deicing salt.

• 한국물환경학회지
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• 제30권6호
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• pp.638-646
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• 2014

Soil erosion from agricultural fields leads to various environmental problems weakening the capabilities of flood control and ecosystem in water bodies. Regarding these problems, Ministry of Environment of South-Korea prepared various structural and non-structural best management practices (BMPs) to control soil erosion. However, a lot of efforts are required to monitor and develop BMPs. Thus, modeling techniques have been developed and utilized for these issues. This study estimated the effectiveness of BMPs which are a vegetation mat with infiltration roll and Roll type vegetation channel using Soil and Water Assessment Tool (SWAT) model through the adjustment of the conservation practice factors, P factors, for Universal Soil Loss Equation which were calculated by monitoring data collected at the segment plots. Each BMP was applied to the areas with slopes ranged from 7% to 13% in the Haeanmyeon watershed. As a result of simulation, the vegetation mat with infiltration roll and Roll type vegetation channel showed 55% and 59% efficiency of soil erosion reduction, respectively. Also, Vegetation mat with infiltration roll and Roll type vegetation channel showed each 11.2% and 11.8% efficiency in reduction of sediment discharge. These roll type vegetation channel showed greater efficiency of soil erosion reduction and sediment discharge. Based on these results, if roll type vegetation channel is widely used in agricultural fields, reduction of soil erosion and sediment discharge of greater efficiency would be expected.

• 한국환경복원기술학회지
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• 제6권2호
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• pp.78-88
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• 2003

This study was conducted to develop the plant-mat for ecological restoration which was formed as the thin multi-layers of woven nets, soil media, seeds, etc. The experimental site was selected at a slope of 240$m^2$ at the rear of Design College of Sangmyung University and divided into 8 sub-experimental plots (20$m^2$ each) according to mat types. (forest-type and grass-type mats with and without seed attachment, respectively) Also, the existing vegetation plot and the no-treatment plot were included in this experiment for comparison. The experiment construction was conducted on September 3, 2002. Mat covered plots regardless of seed attachment showed nearly no signs of erosion even if rainy season in summer compared to the no-treatment plot. Vegetation monitoring result showed that germination rates were somewhat high in both forest and grass-type mats without seed attachment in the initial germination stage. Although germination rates of seed attached mats were somewhat slower than non-seed attached mats in the germination stage, but over time, it showed a good rooting and shooting environment for germinated tree and grass species because of soil media existence within the mat. This indicates that while non seed-attached mats require follow-up maintenance, seed-attached mats does not require maintenance after rooting and germination.

• 한국습지학회지
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• 제12권2호
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• pp.75-89
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• 2010

본 연구의 목적은 고수호안 식생매트공법의 수리적 안정성을 검토하는 것이다. 최근 들어 치수 기능만을 위한 공학적 효율 위주의 하천관리 정책에서 벗어나 하천의 환경적 기능의 개선을 위한 생태하천으로의 복원사업이 이루어지고 있다. 치수 안정성 확보를 위해 기 설치된 콘크리트 호안을 철거하는 대신 복토 후 식생매트를 덮어주는 공법인 식생매트 공법은 다양한 복토공법 중 하나이다. 그러나 이와 같은 복토공법의 적절한 수리학적 기준이 제시되지 않아 홍수기 때 유실로 인한 경제적 손실이 자주 발생하고 있다. 본 연구에서는 고수호안의 복토공법에 대한 수리실험을 통해 수리학적 조건에 따른 토양의 유실율을 평가하고, 식생매트 설치여부에 따른 토양유실율의 비교를 통해 수리적 안정성을 평가하였다. 또한 복토공법의 수리학적 안정성을 확보하기 위한 고수호안 주변의 유속 구조에 대하여 실험과 수치해석을 통해 분석하였다.

• 한국환경생태학회지
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• 제24권3호
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• pp.302-317
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• 2010

본 연구는 탄천내 기존 콘크리트 호안블럭을 제거하지 않고 호안녹화용 매트를 적용하여 경관개선 및 생물서식기반을 조성하고자 하는 지역의 복원 효과 확인 및 관리방안을 제안하고자 하였다. 모니터링 결과 식물상은 2006년 18과 38종 3변종 총 41종류, 2007년 19과 56종 3변종 총 59종류, 2008년 29과 59종 8변종 총 64종류로 매년 식물종이 증가하고 있었다. 식물상 분포의 특징은 공법 적용지를 중심으로 식재한 물억새, 수크령 등이 세력을 형성하고 있었으며 범람시 토사 퇴적으로 자생종 중심의 다양한 종이 출현하고 있어 생태적으로 양호한 상태이었다. 현재는 자생종이 우점하고 있었으나 주기적인 범람에 의한 교란 유발 종과 외래종의 증가가 예상되므로 장기모니터링을 통해 관리가 이루어져야 양호한 수변생태계가 형성될 수 있을 것이다. 결국 하천천이 초기식생과 교란지 식생이 혼재되어 나타나는 생육양상이었다. 이와 같은 호안 녹화용 식생매트 공법은 콘크리트를 제거하지 않고 상부에 코이어 매트를 포설하여 불량경관을 개선할 수 있을 뿐만 아니라 식물생육의 기반을 제공하여 계속적인 식물종의 증가에 따른 종다양성을 확보하는데 효과가 있는 것으로 분석되었다.