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우보명,손두식 ( Bo Myeong Woo,Doo Sik Son ) 한국산림과학회 1980 한국산림과학회지 Vol.48 No.1
One of the most important basic problems for developing the new techniques in the field of road landscape planting practices in Korea, is to clarify, analyse, and evaluate the existing technical level through actua] field survey on the various kinds of planting techniques. This study is, therefore, aimed at the good grasp of detail essences of the existing level of road landscape planting techniques through field investigations of the executed sites. In this study, emphasized efforts are made to the detail analysis and systematic rearrangements of such main subjects as; 1) principles and functions of the road landscape planting techniques; 2) essential elements in planning of it; 3) advanced practices in execution of planting of it; 4) and improved methods in maintenance of plants and lands as an entire system of road landscape planting techniques. The road landscape planting techniques could be explained as the planting and landscaping practices to improve the road function through introduction of plants (green-environment) on and around the roads. The importances of these techniques have been recognized by the landscape architects and road engineers, and they also emphasize not on]y the establishment of road landscape features but also conservation of human`s life environment by planting of suitable trees, shrubs, and other vegetations around the roads. It is essentially required to improve the present p]anting practices for establishment of the beautiful road landscape features, specially in planning, design, execution, establishment, and maintenance of plantings of the environmental conservation belts, roadside trees, footpathes, median strips, traffic islands, interchanges, rest areas, and including the adjoining route roads.
안양지역에 있어서 호우에 의한 산사태발생에 관한 실태조사와 예방대책에 관한 연구
우보명,임경빈,이수욱 ( Bo Myeong Woo,Kyong Bin Yim,Soo Wook Lee ) 한국산림과학회 1978 한국산림과학회지 Vol.39 No.1
On July 8, 1977, 432㎜ of precipitation which is the largest daily storm in Korea fell on the city of Anyang where a nearby suburban community of Seoul. Average storm intensities of 90㎜ per hour were recorded during the period from 1900∼2200 hours on this date. Area of landslides triggered by this storm is about 96 hectares resulting from 1,876 places within about 12,600 hectares of the watershed studied. These hazards injured hundreds of human lives and took 122 human lives. Rail and highway systems were disrupted and about 30 hectares of rice paddies were washed away and hundreds of hectares were inundated. About 500 houses were destroyed. The objectives of this study are (a) to describe the problem areas, identifying critical factors causing the landslide hazards including earth and stone-debris avalanches, (b) suggest measures which might enhance the effectiveness of stabilization measures, and (c) also suggest the landslide and flood damage prevention methods from the point view of the upper-watershed conservation techniques in Anyang hoIlow-basin.
황폐산지에서의 산불이 삼림식생 (森林植生) 및 토양에 미치는 영향에 관한 연구 (Ⅱ)
우보명,권태호,마호섭,이헌호,이종학 ( Bo Myeong Woo,Tae Ho Kwon,Ho Seop Ma,Heon Ho Lee,Jong Hak Lee ) 한국산림과학회 1985 한국산림과학회지 Vol.68 No.1
The second year`s results of surface fire effects on forest vegetation and soil properties and fire tolerance of various tree species were investigated in Mt. Gwanak, Kyunggi-do, successively after the study of the first year`s effect in the same place. Soil moisture contents, organic matters, and most of soil nutrients including exchangeable bases had increased just after fire and went down to become somewhat constant. Available phosphorous at fired area decreased until it became similar to that at unfired area, while pH of subsoil was continuously increasing from just after fire till after 1 year. For Lespedeza and Weigela species, fire tolerance of tree crown was the lowest but reproductive capacity was the highest, And both of them were high for Rhododendron species. More exact classification into Increasers, Decreasers, Invaders and Neutral species was possible in the second year`s study. According to comparison of similarities, it was found that the vegetational structure at fired area is slowly restoring to original state as time goes.
우리나라 중부지역의 녹지자연도사정에 관한 연구 - 공주 · 연지군지역의 조사사례를 중심으로 -
우보명,권태호,마호섭,이헌호,이종학 ( Bo Myeong Woo,Tae Ho Kwon,Ho Seop Ma,Heon Ho Lee,Jong Hak Lee ) 한국산림과학회 1984 한국산림과학회지 Vol.64 No.1
As data basic to policy in nature conservation, the Degree of Green Naturality (DGN) survey was usually carried out. This also explains the impact of human interference to natural environment. Gongju gun and Yeongi gun were surveyed in the summer of 1983 to determine the DGN of these districts. Then, the surveyed DGN was compared to the existing standard. The results obtained appeared that the average DGN of these districts ranged about 5.1 to 5.9 and especially the ratio of DGN 7-graded area was high. Because of difficulties in applying the existing standard directly to middle part of Korea, further improvement on the existing standard for ranking or surveying the DGN should be reconsidered.
황폐산지에서의 산불이 삼림식생 (森林植生) 및 토양에 미치는 영향에 관한 연구 (Ⅰ) - 관악산 뱀골계곡에서의 초기영향 -
우보명,권태호 ( Bo Myeong Woo,Tae Ho Kwon ) 한국산림과학회 1983 한국산림과학회지 Vol.62 No.1
The purpose of this study was to measure the changes in soil properties and forest vegetation after surface fire, which had occured on June 5, 1983 in Mt. Gwanag, Kyunggi-do. Moisture content, organic matter and acidity of soil increased just after the fire and then dropped down up to those of unfired areas as time goes. Also total nitrogen, available phosphorous exchangeable base had the similar trend to moisture, organic matter and acidity. Most of the exchangeable bases in surface soil except for sodium were higher than those in sub-soil. No changes in soil texture by the fire were found. Increasers, decreasers, invaders and neutral species could be classified according to the relative importance value of each species. Species diversity was reduced just after the fire and increased gradually afterward. Diversity in the southeast slope was higher than that in the southwest slope. Due to the fire, evenness of woody plants decreased continuously while that of herbs increased. Species similarity was shown greater at fired areas than at unfired areas.
암절취 훼손비탈면에 대한 환경생태적으로 안정된 녹화공법에 관한 연구 (2) - 산립표층토를 이용한 종비토뿜어붙이기공법의 시공효과 분석 -
우보명,김경훈 ( Bo Myeong Woo,Kyung Hoon Kim ) 한국산림과학회 1998 한국산림과학회지 Vol.87 No.3
The purpose of this study was to evaluate the effect of new materials with forest topsoil far hydroseeding measures that is environmentally and ecologically stable revegetation measures on rock cut-slopes. Field hydroseeding experiment was used with a completely randomized design at highway rock cut-slopes in April, 1997. Results obtained in this study were summarized as follows: Particle size distribution of 3 mixed-soil materials that consisted of forest topsoil, decomposed granite soil, compost, sludge, and bottom ash did not show a significant difference. As appending the amount of forest topsoil, soil bulk density was increased. Soil hardness was slightly increased in early period, and then decreased with the flourishing of plants. The number of individuals increased, more than 3,000 seedlings/㎡, after 1 month, and it was decreased as time passes because of competition between the seeded species and the naturally emerged species. In addition to the seeded species, seeding plot has more than 6 species (Rubus crataegifalius, Eleusine indica, Erigeron canadensis, Lycopersicon esculentum var. cerasiforme, etc.) per ㎡ were naturally appeared in the first year. From the viewpoint of species diversity promotion, the capability of using forest topsoil as seed bank sources was high. In order to apply in the field, the investigation and analysis of topsoil availability (quantity and quality of seed source, soil texture and organic composition) should be carried out beforehand.
실험적 답압처리에 (踏壓處理) 의한 임상환경변화 (林床環境變化) (Ⅰ)
우보명,오구균,윤호중 ( Bo Myeong Woo,Koo Kyoon Oh,Ho Joong Youn ) 한국산림과학회 1988 한국산림과학회지 Vol.77 No.1
This study was conducted to examine the effects of trampling intensity and frequency on the change of forest bed soil and vegetation by experimental trampling. 23 experimental lanes(0.3 × 5.0m) were established at non-trampled Quercus acutissima stand in Suweon, Gyunggi-Do, Korea. And soil compaction and ground vegetation were examined during and after 4 weeks trampling. Increasing in trampling intensity resulted in decreasing increment rate of soil compaction and after 400 passes of trampling, soil hardness showed 11.32㎏·㎝^(-2), (23.8㎜) which affected root growth badly. At the same trampling intensity, soil compaction was high where trampling was spread over a longer period of time. The difference of soil compaction by trampling frequency was not significant below 200 passes, but 16X(every other day trampling) type resulted in the highest soil compaction over 400 passes of trampling intensity. The relative coverage of vegetation was more severely decreased than the relative density by trampling, 16X type of Trampling frequency resulted in most servere vegetational change and difference among trampling frequencies showed significance in case of 200 passes, contrasting to soil compaction.