보고서 정보
주관연구기관 |
경상대학교 GyeongSang National University |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 |
한국어
|
발행년월 | 2005-11 |
과제시작연도 |
2004 |
주관부처 |
농림부 Ministry of Agriculture and Forestry |
과제관리전문기관 |
농림기술관리센터 Agricultural Research & development Promotion Center |
등록번호 |
TRKO201400023198 |
과제고유번호 |
1380002458 |
사업명 |
농림기술개발 |
DB 구축일자 |
2014-11-14
|
초록
○ 연구결과
1. 녹화기반재인 배양토에 녹화수종을 혼합하여 미생물제재를 첨가하므로서 발아율과 활착율이 증대되어 조기녹화를 도모할 수 있었다.
2. 배양토를 담은 녹화화분을 채석지 잔벽면의 천공내에 넣으므로서 훼손된 암반 사면을 생태적․환경적․경제적으로 적절하게 조기에 복구ㆍ녹화할 수 있는 공법을 개발하였다.
Abstract
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1. Development of boring revegetation measures of quarry area in Gyeongsangnam-do
1) Selection of drilling method on rock slope
The rock drilling on rock slope was slightly drilled as about 5 degree for taking the water on rock slope with 80 to 90 degree. the shape of drilling was circle type,
1. Development of boring revegetation measures of quarry area in Gyeongsangnam-do
1) Selection of drilling method on rock slope
The rock drilling on rock slope was slightly drilled as about 5 degree for taking the water on rock slope with 80 to 90 degree. the shape of drilling was circle type, depth was drilled about 15 to 20cm. The part of joint or concave area on rock slope had an important role as taking the water. The revegetation plants of good conditons holding many water grewed at very well in the revegatation-pot.
2) Technical development of seed combination for revegetation plants
The rate of germination showed highly in order to topsoil of forest(D) with 15%, humus soil of forest(A) with 12.5%, mixture soil(C) with 11.1% and merchanted general soil(B) with 7.4%.
The growth of treatment plot with topsoil of forest(D) and mixture soil(C) gradually had a better tendency as time goes. The growth of treatment plot with humus soil of forest(A) and merchanted general soil(B) showed to very poor growth rather than those of D and C plot. Because the soil of revegatation-pot was splashed by water drop erosion and sowed-seed was buried by invasion of small rock debris falling from upper rock slope. The germination rate of Tall fesque and perenial raygrass, introduced species showed highly in order to topsoil of forest(D), humus soil of forest(A) mixture soil(C) and merchanted general soil(B).
In general, the rate of germination showed highly introduced species, Tall fesque and perenial raygrass, and then inland species showed highly in order to Lespedeza cyrtobotrya, Indigofera pseudo-tinctoria, Arundinella hirta, Chrysanthemum zawadskii. Especeally, planted Parthenocissus tricuspidata grewed very well on the rock slope, but leaves were wilted by shortage of water.
3) Technical development of seed combination by microorganism and multhing The rate of germination by microorganism showed highly in order to humus soil of forest(A), topsoil of forest(D), mixture soil(C) and merchanted general soil(B). The rate of germination by microorganism and multhing showed highly in order to microorganism + net plot, microorganism plot and control plot. It consider that the germination rate of treatment plot with microorganism +net had showed highly by the blocking of sunnny and control of water by net. The change of individual number showed highly in order to humus soil of forest(A), topsoil of forest(D), mixture soil(C) and merchanted general soil(B).
Especeally, individual number was increased in all cultivation soil type from April to June, but it was decreased in all cultivation soil type from July to september. individual number by microorganism and multhing showed highly in order to microorganism plot ,microorganism + net plot and control plot. And also, the change of growth showed highly in order to microorganism + net plot, microorganism plot and control plot. In species, it showed highly in order to perenial raygrass, Tall fesque, Digitaria sanguinalis, Chrysanthemum zawadskii, Indigofera pseudo-tinctoria, Lespedeza cyrtobotrya.
4) Current method of revegetation for the rock slope of quarry area is mainly hydro-seeding which is applied any slope without consideration of rock conditions. For this reason, it is hard to have a good result of stability and plantation effect when the hydro-seeding is applied on the rock slope. Therefore, it is needed a new plantation method on this kind of slope, it can enhance the efficiency of the point plantation on the rock slope of quarry area. so we have developed a boring revegation which can be used for dotted plantation on rock slope in quarry area.
It is necessary to use broadly the newly developed boring revegation at the field of quarry area.
2. Development of revegetation plant in Quarry area
1) Analysis of growing characteristics on bedrock slope
This study on vegetation and growing environment was carried out to provide basic data for revegetation and reasonable management of bedrock slopes.
o Vegetation analysis around bedrock slope
After quarrying, Pinus rigida, P. densiflora, Alnus hirsuta, A. firma, Lespedeza bicolor, Rhododendron mucronulatum, Betula schmidtii, Salix koreansis, S. gracilistyla, Robinia pseudo-acacia invaded naturally. Among these species, A. hirsuta showed fine adaption and growth. Growth of some species such as P. densiflora and Quercus mongolica were restrained by dust from quarry. Number of species appeared in all study sites were 12 species in upper layer, 15 species in middle layer and 47 species in lower layer. According to the importance value of each layer, Pinus densiflora had the highest importance value in upper and middle layer. L. bicolor, R. mucronulatum, R. yedoense var. poukhanense, Q, mongolica, Q. serrata, Rhus trichocarpa and Juniperus rigida in lower layer had higher importance value above 10. 56 species appeared in herbaceous layer and them included naturalized plants such as Erigeron canadensis, E. annuus and Oenothera odorata.
o Growing environment around bedrock slope
Soil particle size averaged 44.3% in silt, 28.8% in clay and 27.0% in sand, and showed similar distribution. Three phases of around bedrock slope averaged38.3% in solid phase, followed by 33.4% in gaseous phase and 28.4% in liquid phase.
Soil bulk density and particle density were 1.92 and 2.02g/㎤, respectively. Soil pH averaged 5.1 and ranged from 4.8 to 5.5. Soil moisture content averaged 21.1% in all study sites. Soil organic matter content ranged 2.8% to 4.1%, and averaged 3.6%. Contents of total nitrogen and available P ranged from 0.09% to 0.13% and 9.4ppm to 17.8ppm, respectively. The magnitude of exchangeable cations in forest soil around bedrock slope were Ca2+(1.22cmolc/kg)>Mg2+(0.62cmolc/kg)>K+(0.13cmolc/kg)>Na+(0.08cmolc/kg).
2. Study on Seed sowing and proper seed mixture of on bedrock slopes This study was conducted to investigated the growth and ground cover rate of the 7 native plants for the revegetation and rehabilitation of the bedrock slopes. Also. this study was conducted to suggest design criteria to select revegetation plants and to decide proper seed mixture for ecological restoration of the disturbed manmade bedrock slopes as a environmentally friendly construction.
o Analysis of seed sowing and facilitation of germination
Arundinella hirta, Centaurae cyanus, L. cyrtobotrya, L. cuneata, Alnus hirsuta, Albizzia julibrissin and R. pseudo-acacia were sowed around bedrock slopes for selection revegetation plants on May 2005. After 5 month of sowing, height of each plant was 32.9cm for L. cyrtobotrya, 29.7cm for L. cuneata, 19.8cm for A. hirsuta, 19.4cm for C. cyanus 16.7cm for R. pseudo-acacia and 15.4cm for A. julibrissin and A. hirta. Compared to growth rate of woody and haebaceous plant, A. hirsuta, A. julibrissin and R. pseudo-acacia showed slow height growth than that of A. hirta and C. cyanus. Ground cover rate by species had the highest in L. cyrtobotrya(52.4%), followed by L. cuneata(48.5%), C. cyanus(38.9%), A. hirta(36.9%), R. pseudo-acacia(24.5%), A. hirsuta (21.6%) and A. julibrissin(19.8%). Height growth and ground cover rate showed similar patterns by species.
o Study of mixture ratio of seed by plant species and type
To compare growth of plants on bedrock slope, mixture of seed by plant species and type were mixture for early revegetation(Robinia pseudo-acacia, Albizzia julibrissin, Indigofera pseudo-tinctoria, Lespedeza cyrtobotrya and L. cuneata) mixture for landscape revegetation(Vitex negundo var. incisa, Sorbaria sorbifolia var. stellipila, Rosa multiflora, P. densiflora, P. rigida), mixture for early and landscape revegetation(L. cyrtobotrya, L. cuneata, R. pseudo-acacia, Alnus firma and A. julibrissin) and of mixture native plants(Dianthus sinensis, Platycodon grandflorum, Chrysanthemum zawadskii var. latilobum and Artemisia princeps var. orientalis). Among these mixture of seed, ground cover rate was the highest in mixture for earlt revegetation, followed by mixture for early and landscape revegetation
3. Selection of revegetation plants available on bedrock slopes
o Analysis of landscape ecology
Most quarry in Gyeongnam Province had above 80m in height and structure with almost perpendicular to the ground. Therefore, it could not be expected natural revegetation on bedrock slopes. Plants growing on apertures of bedrock slopes were Arundinella hirta, Artemisia princeps var. orientalis, Asparagus schoberioides and Lespedeza cuneata. However, growth of these species were hampered by dust from quarry. Plant species in forest around quarry were also affected by dust from quarry. From the viewpoint of landscape, bedrock slopes with almost perpendicular to the ground need to devide slopes into stepped slopes, which could be expected early revegetation on bedrock slopes and minimize of landscape damage.
o Selection of revegetation plants
From these experiment, it was recommended that Lespedeza crybotrya, Alnus hirsuta, Albizzia julibrissin and Robinia pseudo-acacia should be used for revegetation on bedrock slopes. Also, invaded species such as Rhus trichocarpa and Wisteria floribunda were considered with proper species for revegetation on bedrock slopes. In mixture for early revegetation, and early and landscape revegetation, Indigofera pseudo-tinctoria, L. cuneata Lespedeza cyrtobotrya and Alnus firma showed fine growth around bedrock slopes, which them could be used on bedrock slopes. To recover the bedrock slopes quickly and ecologically, increasing the ratio of native species was recommended.
목차 Contents
- 표지 ... 1
- 제출문 ... 2
- 요약문 ... 3
- SUMMARY ... 13
- CONTENTS ... 19
- 목차 ... 21
- 제1장 연구개발과제의 개요 ... 23
- 제1절. 연구개발의 목적 ... 23
- 제2절. 연구개발의 필요성 ... 24
- 1. 기술적 측면 ... 24
- 2. 경제·산업적 측면 ... 25
- 3. 사회·문화적 측면 ... 26
- 제3절 연구개발의 범위 ... 27
- 1. 경남지역 암반사면의 천공녹화 공법 개발 ... 27
- 2. 암반사면 녹화식물의 개발 ... 28
- 제2장 국내외 기술개발 현황 ... 30
- 제1절. 경남지역 암반사면의 천공녹화 공법 개발 ... 30
- 제2절. 암반사면 녹화식물의 개발 ... 31
- 제3장. 연구개발 수행 내용 및 결과 ... 33
- 제1절. 경남지역 암반사면의 천공녹화 공법 개발 ... 33
- 1. 암반사면 입지환경 조사 및 녹화기반재 개발 ... 33
- 2. 암반사면 천공녹화공법 개발 ... 47
- 3. 암반사면 천공녹화공법의 특성 분석 ... 73
- 제2절. 암반사면 녹화식물의 개발 ... 106
- 1. 암반사면 식물의 생육특성 분석 ... 106
- 2. 암반사면의 파종 및 종자배합기술 개발 ... 120
- 3. 암반사면의 녹화식물 선발 ... 132
- 제4장. 목표 달성도 및 관련분야에의 기여도 ... 140
- 제1절. 석산개발 지역의 환경친화적 천공녹화공법의 개발 ... 140
- 제2절. 암반사면의 녹화식물 개발 ... 142
- 제5장. 연구개발결과의 활용계획 ... 144
- 제1절. 경남지역 암반사면의 천공녹화 공법 개발 ... 144
- 제2절. 암반사면 녹화식물의 개발 ... 146
- 제6장. 연구개발과정에서 수집한 해외과학기술정보 ... 147
- 제7장. 참고문헌 ... 148
- 끝페이지 ... 152
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