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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korea Society of Environmental Restoration Technology
Journal Basic Information
Journal DOI :
The Korea Society of Environmental Restoration Technology
Editor in Chief :
Volume & Issues
Volume 18, Issue 6 - Dec 2015
Volume 18, Issue 5 - Oct 2015
Volume 18, Issue 4 - Aug 2015
Volume 18, Issue 3 - Jun 2015
Volume 18, Issue 2 - Apr 2015
Volume 18, Issue 1 - Feb 2015
Selecting the target year
Regional Vulnerability Assessment of Invasive Alien Plants in Seoul and Gyeonggi Province
Park, Hyun-Chul ; Lee, Gwan-Gyu ; Lee, Jung-Hwan ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 1~13
DOI : 10.13087/kosert.2015.18.6.1
This study was conducted to develop an environmental index for assessing the vulnerability of areas with invasive alien plants. To that end, "Regional Vulnerability Numerical Index" (RVNI) was developed with a spatial statistical technique and applied to Seoul and Gyeonggi-do area first. The results are as follows. First, RVNI was high in stream areas. Second, RVNI was lowest in mountain areas. It indicates that stream areas are vulnerable to invasive alien plants. In terms of regions, Guri City is most vulnerable and Gapyeong-gun is the least vulnerable. To expand and manage the invasive alien plants, a control protocol should be developed by considering the physiology and ecology by invasive alien plant. Also, related policies should be pursued based on the results. Thus, the findings of this study can be used as baseline data for setting policies for invasive alien species management.
A Study on Monitoring to Investigate Dynamic Temperature Model by Sensible Heat Flux of Green Roof System
Park, Eun-hee ; Kim, Tae-han ; Park, Sang-yeon ; Jang, Seong-wan ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 15~25
DOI : 10.13087/kosert.2015.18.6.15
The growth of impermeable layers in the city center due to today's urban development is emerging as a major cause of urban heat island effects as well as recurring inland flood damages. In order to cope with such disasters caused by climatic changes, an artificial ground afforestation system is suggested as a fundamental solution that addresses both water environment and heat environment. For the afforestation system to replace the current disaster prevention facilities, quantitative performance verification through related numerical analysis models and actual survey monitoring is necessary. Therefore, this study seeks to propose the performance predication method for the heat environment of the afforestation system by looking into correlations between measurements by physical vegetation indicators such as LAI and FVC and forecasts from FASST, a vegetation canopy model used by US Corps of Engineers.
A Study on the Development of the Urban River Environment Evaluation Indexes Using Delphi Method
Park, Eun-Ha ; Kim, Jin-Won ; Oh, Choong-Hyeon ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 27~38
DOI : 10.13087/kosert.2015.18.6.27
This study is for deriving an evaluation system which fits to the domestic urban river. For this, two times of Delphi survey was conducted to various experts who are eminent for ecology, urban design, governance, landscape architecture, hydrology. The purpose was for analysing validity and getting extra opinion of evaluation items which were preferentially have chosen. Reflecting
survey's opinions as changing the word or explaining more details, the second survey was conducted, In this time, all evaluation items were analysed as valid and experts agreed with that. In conclusion, the evaluation items, "Amenity", "Biodiversity", "Ecosystem service", "Governance", "Management", which are for evaluating domestic urban river environment were derived.
Growth and Spatial Distribution Characteristics of Rhus javanica Populations Sowed on Cut-Slopes - Focusing on the Dae-Ji Mountain Case Study -
Lim, Chae-young ; Oh, Choong-Hyeon ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 39~49
DOI : 10.13087/kosert.2015.18.6.39
This study was to evaluate the growth and spatial distribution characteristics of Rhus javanica population. The study was conducted between 2015 January and July at the cut-slope revegetation site in Dae-Ji Mountain. Seeds of native species were sowed on the disturbed cut-slope in 2002. There were 119 vascular plant species 55 families and 94 genera on the cut-slope. Compositae, Rosaceae, and Leguminosae plants were dominant species, which are pioneer species in dry and barren site. Canopy of trees covered 44.1% total area, which was 8.3% increase from 2008. Rhus javanica, main species, dominated all DBH classes except DBH >24cm. Albizzia julibrissin showed high frequency in the 6~17cm DBH class and Salix koreensis was abundant at >12cm. Elaeagnus umbellata, Corylus heterophylla var. heterophylla, Alnus sibirica, and Acer pictum were not observed. Rhus javanica population was the most frequently observed on the south facing cut-slope. The average DBH of Rhus javanica was
and the average height of them was
. Annual average DBH growth was 7.9mm/yr and the maximum growth(12.0mm/yr) was the
year. It decreased after
years. Although Rhus javanica population in the Dae-Ji Mountain was a seed originated plantation, the forest had reverse J shape diameter frequency distribution. It indicated that the forest is uneven-aged forest. The Rhus javanica population was expected to sustain.
Preliminary Analysis of Stabilization of Forest Road Surface Using Geosynthetics
Lee, Kwan-Hee ; Oh, Se-Wook ; Ko, Chi-Ung ; Kim, Dong-Geun ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 51~60
DOI : 10.13087/kosert.2015.18.6.51
This study conducted shear strength test and plate bearing test to look into the characteristics of bearing capacity using geosynthetics case on forest road surface. The shear strength test showed that the internal friction angle at the time when geosynthetics was used was measured larger on average than that in the unreinforced case. Therefore, using geosynthetics case produced more bearing capacity reinforcement effect. The result from the comparison test of internal friction angle by geosynthetics type revealed that the internal friction angle at the time when geotextile case was used was measured larger. That was attributable to the difference between the area of the total cross section of geotextile made in type of non-woven fabric and its material. Plate bearing test showed that the settlement at the time when geosynthetics was used was measured smaller than that in the unreinforced case. Therefore, using geosynthetics produced more bearing power reinforcement effect. The result from the comparison test showed that geogrid case was measured smaller than geotextile case. Henceforth, It is seemed that it will be necessary to keep studying the reinforcement engineering and process of forest road surface which fits the characteristics and conditions of geosynthetics to prevent forest road demage.
Ecoregional Characteristics of Korea for Application on Forest Landscape Restoration in North Korea
Yu, Jaeshim ; Kim, Kyoungmin ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 61~71
DOI : 10.13087/kosert.2015.18.6.61
The objectives of this study are to construct an ecoregion map and to extract ecological factors from each ecoregion to adapt FLR (Forest Landscape Restoration) of North Korea. An ecological map was constructed by PCA(Principal Component Analysis) and MGC(Multivatiate Geographical Clustering). An ANOVA test verified the differences among ecoregions, and post-hoc pair wise comparisons were performed to determine similarities between them. Factor analysis was conducted to extract ecoregional characteristics. Ecoregions were distributed into clusters reflecting differences of south and north and of east and west of their ecological factors. About 12% of land area in North Korea shared similar ecological factors with South Korea, but the remaining 88% was found to be ecologically different. The ANOVA test showed a p-value of 0.000, indicating significant differences between the regions. Post-hoc pair wise comparisons indicated statistically significant similarities in annual mean temperature between ecoregion D and G, precipitation seasonality between ecoregion H and O, and precipitation of the warmest quarter between ecoregion K and O. Because ecoregion A and N showed same in their soil water contents, they were assumed that the dense of forest cover in the Southern ecoregion A is similar to that in the Northern ecoregion N of Korean peninsular. Based on the results of this study, it is necessary to accommodate quantitative and spatial based planning, when South Korea aids forest restoration projects in North Korea. In addition, it is recommended for both South and North Korea to share on Forest Landscape Restoration methodologies with each other.
Spatio-Temporal Changes and Drivers of Deforestation and Forest Degradation in North Korea
Yu, Jaeshim ; Kim, Kyoungmin ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 73~83
DOI : 10.13087/kosert.2015.18.6.73
The objective of this study is to establish implications for forest restoration planning in North Korea by analyzing spatio-temporal forest changes and detecting bio-physical factors driving forest degraded. We measured the relationship and spatial distribution between shifting cultivation and sparse forest. We also analyzed between degraded forest land and ecological variables by binary logistic regression to find biophysical drivers of forest degradation and deforestation in North Korea. Between the sparse forest and the shifting cultivation, a positive relationship is found (r=0.91) and scattered discontinuously throughout the country (Moran's I = -1, Z score = -13.46 (p=0.000)). The sparse forest showed a negative relationship with the warmest month(bio 9), the coldest month(bio10), and the minimum of soil water contents (swc_min), while the shifting cultivation had a negative relationship with the warmest month(bio 9) and the minimum of soil water contents(swc_min). However, the most critical drivers convert forests into sloping farmland were the three months rainfall in summer(bio8) and the yearly mean of soil water contents. Such results reflect the growth period of crops which overlaps with the rainy season in North Korea and the recent land reclamation of uplands where the soil water contents are maintained with a dense forest. When South Korea aids forest restoration projects in North Korea, in consideration of food shortage due to North Korea's cropland deficiency, terrace farmlands where soil water contents can be maintained should be excluded from the priority restoration area. In addition, an evaluation method for selecting a potential restoration area must be modified and applied based on multiple criteria including altitude and socio-economic factors in the respective regions.
Follow-up Monitoring & Adaptive Management after Ecological Restoration for the Stream - Focused the Hakui Stream in Anyang City -
Choi, jungkwon ; Choi, mikyoung ; Choi, cheolbin ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 85~95
DOI : 10.13087/kosert.2015.18.6.85
Recent years, nationwide projects for ecological restoration are implemented with emerging issues on the stream ecosystem. In order to enhance effectiveness of the ecosystem restoration and reduce negative impact, the appraisal of effectiveness through the follow-up monitoring and the adaptive management process are executed in consecutive phase. In this study, planning phase, monitoring and adaptive management in Hakui stream which is part of An Yang stream restoration project is introduced as representative ongoing case of effective adaptive management. The aim of this study is to verify the adaptive management process and suggest direction of effective restoration. Restoration project of Hakui stream resulted in increasing number and diversity of species (vegetation, fish, bird, invertbrates, amphibian and reptilia) according to monitoring from 2004 to 2013, and enhancing natural river landscape by evaluation of river naturalness among 2001(before restoration), 2007 (after), 2015 (recent). However, excessive vegetation expansion or sediment deposition on channel over time caused unexpected results such as terrestrialization or degradation of habitats. Adaptive management action such as removing disturbance species (Humulus japonicus)(2007), coppicing willow (2007), release of march snail (2007), creation of wetland (2014) were implemented based on monitoring results. And then appraisal of management action was discussed.
A Study on Damage Factors and Causes of Natural Forest in Regional Ecological Network at Chungnam Province
Lee, Jong-Mun ; Cho, Yong-Hyeon ; Kim, Kwang Dong ; Lee, Minwoo ; Kim, Jinki ; Choi, Jung-Kwon ; Kim, Won-Tae ; Yun, Chung-Weon ; Kang, Hee-Kyoung ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 97~110
DOI : 10.13087/kosert.2015.18.6.97
This study aimed to classify damaged lands, to find what are the damage factors affecting the studied area, and to present a prescription in order to provide some benefit for the restoration of Regional Ecological Network at Chungnam province. Finally we classified damaged lands from 1st to 4th damaged lands according to relative intensity of damage. The main damage factors for the First Damage Lands were humus horizon, soil hardness and plant species richness. In the Second Damage Lands, those were soil hardness, plant species richness, number of plants and dominant plant species. In the Third Damage Lands, those were humus horizon, soil hardness, plant species richness, number of plants and dominant plant species. In the Fourth Damage Lands, those were humus horizon, organic matter, soil hardness, EC, T-N content, plant species richness, number of plants and dominant plant species. In every cases, the damage of soil and vegetation was originated due to development carried out by human being. The changes in soil condition were not big enough for it to affect plant growth, however, degradation of vegetation was still severe.
A Study on the Management and Use of Plant Resources in Baekdudaegan Arboretum - Focused on Aboretum Core area, Munsu and Okseok Mountain -
Chung, Bo-Kwang ; Gang, Sin-Gu ; Bae, Jun-Gyu ; Kim, Jae-Hyeon ; Sung, Jeong-Won ; Kim, Gi-Song ; Lee, Sang-Yong ; Youn, Hong-Gyun ; Im, Jin-Hyeon ; Lee, Yeong-Su ; Jang, Jeong-Won ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 111~133
DOI : 10.13087/kosert.2015.18.6.111
This study was carried out to survey the vascular plants of Baekdudaegan Arboretum area. The results are as follows. The numbers of flora in this study area were summarized as 655 taxa including 95 families, 332 genera, 567 species, 5 subspecies, 72 varieties and 11 formas. The rare plants were 17 taxa including Parasenecio firmus, Rhododendron micranthum, Iris odaesanensis, Lysimachia coreana and so forth. The Korean endemic plants were 16 taxa including Weigela subsessilis, Heloniopsis koreana, Salix koriyanagi, Vicia chosenensis and so forth. Plants Adaptable to Climate Change were Northern plants 18 species, Southern plants 2 species, endemic plants 10 species. The naturalized plants were 44 taxa and ratios of naturalized index and urbanization index were estimated Core area 10.2% and 4.9%, Mt. Munsu 4.9% and 2.3% and Mt. Okseok 5.5% and 2.6%. The floristic regional indicator plants found in this area were 3taxa(2.5%) of grade V, 12taxa(11.0%) of grade IV, 22taxa(20.2%) of grade III, 35taxa(32.1%) of grade II. In life forms, hemicryptophytes were The most dominant. Next was a Therophytes. In addition, 492 taxa were categorized by usage into 8 groups, as follows: Edible 239taxa(36.5%), Fiber 10taxa(1.5%), Industrial 1taxon(0.2%), Miscellaneous 183taxa(27.9%), Ornamental 65taxa(9.9%), Pasturing 259taxa(39.5%), Siscellaneousg 14taxa(2.1%) and Timer 21taxa(3.2%).
A Detection of Novel Habitats of Abies Koreana by Using Species Distribution Models(SDMs) and Its Application for Plant Conservation
Kim, Nam-Shin ; Han, DongUk ; Cha, Jin-Yeol ; Park, Yong-Su ; Cho, Hyeun-Je ; Kwon, Hye-Jin ; Cho, Yong-Chan ; Oh, Seung-Hwan ; Lee, Chang-Seok ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 135~149
DOI : 10.13087/kosert.2015.18.6.135
Korean fir(Abies koreana E.H.Wilson 1920), endemic tree species of Korean peninsula, is considered as vulnerable and endangered species to recent rapid environmental changes such as land use and climate change. There are limited activities and efforts to find natural habitats of Korean fir for conservation of the species and habitats. In this study, by applying SDMs (Species Distribution Models) based on climate and topographic factors of Korean fir, we developed Korean fir's predicted distribution model and explored novel natural habitats. In Mt. Shinbulsan, Youngnam region and Mt. Songnisan, we could find korean fir's two novel habitat and the former was the warmest(
in annual mean temperature), the driest(1,200mm~1,600mm in annual rainfall) and relatively low altitude environment among Korean fir's habitats in Korea. The result of SDMs did not include mountain areas of Gangwon-do as habitats of A. nephrolepis, because there were different contributions of key habitat environment factors, summer rainfall, winter mean temperature and winter rainfall, between A. koreana and A. nephrolepis. Our results raise modification of other distribution models on Korean fir. Novel habitat of Korean fir in Mt. Shinbulsan revealed similar habitat affinity of the species, ridgy and rocky site, with other habitats in Korea. Our results also suggest potential areas for creation of Korea fir's alternative habitats through species reintroduction in landscape and ecosystem level.
A Study on Planning of Bird Habitat Preparation for Eco-friendly Development - Focusing on Ganseo Area in Busan -
Park, Yong-Su ; Han, Donguk ; Kim, Nam-Shin ; Cho, Dong-Gil ; Shim, Yun-Jin ; Cha, Jin-Yeol ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 151~165
DOI : 10.13087/kosert.2015.18.6.151
This study surveys and analyzes the ecology of Gangseo area to be developed near Nakdonggang River and West Nakdonggang River in Busan - before its development. With the result of the surveys as its basis, the study also finds ways to conserve the area's bird habitats in response to the planned development. According to the site surveys over four seasons, West Nakdonggang River which is near the targeted development area is a wintering ground for migratory birds. Some representative bird types in this area are ducks, geese, and other water birds. There are even six legally protected species. The average altitude of their flight is calculated to be
and the main purpose for the migration is determined to be for food. According to evalution of the conservation value of the area, Nakdonggang River and West Nakdonggang River turns out to have the highest conservation value. Other areas are developable as long as it was environmentally friendly. Therefore, this study suggests incorporation of ecological parks and biotopes within the targeted development area along with the proposal for spaces in the surroundings where the wintering birds can rest and feed. Especially for the wintering birds that rest at Nakdonggang River and West Nakdonggang River, their flight direction and pattern was examined to determine that their resting ground should be located 50~100m off of the river bank. Furthermore, this study proposes ways to maximize bird habitat by building ecological corridors between the agricultural channel and other small streams in the targeted development area and the habitats in the surroundings. Lastly, the study suggests the construction of low buildings, at most 20m in height, near Nakdonggang River and West Nakdonggang River considering the birds' flight altitude and direction.
A Study on Development of Village Wetlands Inventory Using GIS and Establishment of Management Methods in Asan City, Korea
Park, Mi Ok ; Yang, Seung Bin ; Koo, Bon Hak ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 167~177
DOI : 10.13087/kosert.2015.18.6.167
This study was conducted to establish an inventory and propose conservation strategies for 'village wetlands' in Asan city, Korea, using GIS. As results, the village wetlands are defined as such places as 'palustrine' wetland, village embankment, agricultural reservoir or small reservoirs located in or near the village and related to everyday life or farming. Firstly 807 provisional village wetlands(draft) were identified in Asan by using Arc-GIS 10.1, then 196 wetlands(final) were defined finally as village wetlands and listed the inventory of Asan Village Wetlands after being validated through office works and field survey. The office works analyzed minimum area(greater than
), satellite images, the Korea Land Information System, land use map and land coverage map. To evaluate the function and conservation values, the 37 wetlands were selected for detailed surveying and function assessment based on the following criteria : 1) doubled code both wetland and reservoir at digital map, 2) located less than 100m from village and 3) ecologically connected to such ecological resources as seaside mudflats, mountains and green area and ecological passages for small size wildlifes. As the result of the wetland function assessments by the RAM method, 7 wetlands were found to have 'high' wetland function (conservation) 18 wetlands were 'medium' (enhancement) and 12 wetlands were 'low' (restoration or enhancement). Enhancing biodiversity and ecosystem services through ecological management of wetlands in Asan and connecting with the Ecological Natural Degree were proposed.
A Study on Geotop Classification and Geodiversity in Mt. Jeombong Experimental Forest
Kim, Nam-Shin ; Han, DongUk ; Cha, Jin-Yeol ; Kwon, Hye-Jin ; Cho, Yong-Chan ; Oh, Seung-Hwan ; Yoo, Seung-Hwa ; Yu, Dong-Su ; Park, Yong-Su ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 179~190
DOI : 10.13087/kosert.2015.18.6.179
This study was carried out to suggest fundamental concepts and data ideas for biodiversity and confrontation strategy on global environmental changes by analyzing geomorphic milieu and geotop in Mt. Jeombong experimental forest. Elements of landform were classified as landform sets by scale. Scale for classification could be decide on four categories. We could classify landforms which scale zero is seven elements, scale one is twelve elements, scale two is fifteen elements, scale three is twenty nine elements. Especially mountain wetlands were classed as valley and channel types in Mt. Jeombong. Geotop by clustering methods could be four spatial units as 2, 3, 5, and 7 classes, and analyzed geodiversity as landform sets for explanation of vegetation distribution. Rate of rise of temperature was
per year, change ratio was increased
, and also precipitation was increased 320mm during forty year(from year 1973 to year 2012). The result of this research can be affordable to provide information for forest management of mountainous areas.
Evaluation on MUSLE Runoff Energy Coefficient in Small Forest Watershed
Kim, Jaehoon ; Choi, Hyung Tae ; Lim, Hong-geun ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 191~200
DOI : 10.13087/kosert.2015.18.6.191
This study was carried out to investigate coefficient and exponent of runoff energy in MUSLE for small forest watershed, Hwachoen watershed in Gangwon-do. For 15 rainfall events, runoff volume, peak discharge and sediment yield were measured and these data were used to calculate coefficient and exponent of runoff energy. The results of this study showed that
factors of MUSLE were affected by slope steepness. The coefficient and exponent of runoff energy were validated with coefficient of efficiency of 0.92 and these values were suggested to 0.002 and 0.81 respectively. The comparison of the coefficients and exponents between Hwacheon and other forest watersheds showed that these values would reflect the effect of forest management within watershed.
The Study on the Utilization of Soil Seed Bank for the Restoration of Original Vegetation
Kim, Nam-Choon ; Kim, Hoyeon ; Choi, Mi Yeon ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 201~214
DOI : 10.13087/kosert.2015.18.6.201
This study was conducted to identify forest topsoil's usefulness from July 2013 to Oct 2014. Generally, there are abundant seeds in topsoils and it can be used at restoration works. Mt. GARIWANG is famous for biodiversity in Korea. This study was aimed to find out the suitable utilization methods of natural topsoils for restoration works at sky-slopes construction sites. Test beds was made to identify suitable collecting times and suitable topsoil thickness. The main results are summarized as follows. First, Mt. GARIWANG have diverse species and in topsoils we can find lots of burried seeds which can be used at restoration works. Second, according to indoor experiment, as the depth of topsoil used thicker, the number of plants and coverage rates were increased. Also, there were no distinct differences in coverage rates between 5cm and 8cm thick topsoil plots and it can be possible to use at least 3cm thick topsoils even thou lower coverage rates. Third, as the results of research about indoor and outdoor experimental plots, there were difference in plant emergency. If we use the stabilizer to protect soil erosion, then we can get more increased results at sloped outdoor experimental plots. Fourth, based on environmental impact assessment, there was 389 species in whole region of Mt. GARIWANG. Through this seed bank experiments, we can find 23 varieties, including 4 tree varieties and 19 herbaceous varieties. We can find lots of native herbaceous species from topsoils. Fifth, this research was done at the specific area of Mt. GARIWANG and used limited topsoils. But we monitoring more longer periods, then there will be more useful outcomes. Finally by researching topsoils of Mt. GARIWANG, we can find diverse native plants. Thus, we must reuse natural topsoils of Mt. Gariwang for restoration of original vegetation.
A Study on the Mixing Ratio of Food Waste on Slope Re-vegetation Base Materials
Cho, Dong-Gil ; Jeon, Gi-Seong ; Shim, Yun-Jin ; Kim, Duck-Ho ; Do, Jong-Nam ; Park, Mi-Young ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 215~226
DOI : 10.13087/kosert.2015.18.6.215
This study introduced food waste into re-vegetation base materials for surface loss recovery of carry-away highway cut slope. The object of this study is to derive the mixing ratio of food waste by conducting a test installation, monitoring, analysis and evaluation for recovery of carry-away highway cut slope. The following items were investigated and analyzed each experimental zone to draw mixing ratio of re-vegetation base materials and food waste : the physical and chemical properties of the vegetation base materials, soil-hardness, soil-humidity, left out and the collapsed point, established number of trees, species richness of grass species and tree species, coverage, pest status, and invasion of disturbance species. The re-vegetation method was evaluated by each experiment zone which has different mixing ratio. As a result, experiment zone A was rated 45 points out of 60 rating points as the best re-vegetation method. However, this study result has been derived from one construction and short-term monitoring. In order to derive the suitable and dependable mixing ratio, conducting an objective re-vegetation method evaluation and long-term experiment and monitoring is required.
The Study on Test for Control of Weeds Invasion in Constructed on Upper Embankment in the Shoulder of a Expressway
Jeon, Gi-seong ;
Journal of the Korea Society of Environmental Restoration Technology, volume 18, issue 6, 2015, Pages 227~237
DOI : 10.13087/kosert.2015.18.6.227
From January 2013 to October 2015, weed invasion control techniques was tested in the test road of Jungbunaeryuk expressway so as to collect preliminary data for the management methods of the upper exterior banking of expressway shoulders. Then, monitoring was conducted and its results are as follows. Mat (sheet), solidifying agent, and mulching (wood chips) were applied for the test and their initial effects of preventing weed invasion were all excellent. It was found that the homogeneity of the wood chip mulching method needs to improve. In the mat method and the mulching method were found to have the most excellent economic feasibility and aesthetics, respectively. The covering degree was found to be the highest at 80% in the control site, followed by the wood chip site at 20% and the solidifying agent site and the non-woven fabric site at 5% each. As for species diversity, the control had the largest variety of species. Two years after the construction, many different species of plants invaded and were growing. Plants including weed didn't tend to invade the slopes applied with non-woven fabric. In addition, weed didn't invade the solidifying agent site and the aesthetics of the upper exterior banking of expressway shoulders was found to be excellent. The wood chip site was found to require consistent management for preventing weed invasion. The mat (sheet) site, the solidifying agent site, and the wood chip mulching site were found to have excellent weed prevention effects. As time passed, the mat (sheet) site and the solidifying agent site showed better weed prevention effects. However, they need consistent monitoring for further application.