• Title/Summary/Keyword: Afforestation vegetation

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Phytosociological Studies on the Vegetation of Odong Island, Yeosu (오동도식생에 대한 식물사회학적 연구)

  • Kim, Chul-Soo;Yoon-Seok Jang;Jang-Geun Oh
    • The Korean Journal of Ecology
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    • v.10 no.4
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    • pp.165-173
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    • 1987
  • Odong Island, Yeosu, is the one of the Hallyosudo National Marine Park. The vegetation of this island was surveed from July, 1986 through April, 1987. By the Braun-Blanquet's method, the vegetation of Odong Island was classified into 7 communities and 4 afforestations; that is, Pseudosasa japonica community and Phyllostachys bambusoides afforestation (bamboo stands), Mallotus japonicus, Quercus acutissima community, Prunus serrulata var. spontanes and Celtis sinenesis afforestation (deciduous forests), Pinus densiflora, Pinus thunbergii community, Chamaecyparis pisifera afforestation (evergreen needle-leaved forests), and Castanopsis cuspidata var. sieboldii-Camellia japonica and Machilus thunbergii-Camellia japonica community (evergreen broad-leaved forests). Based on the classification, the actual vegetation map of the island was prepared in scale 1:2,600. Judging by the DBH class distribution and many other informations, ww can expect that the coniferous forests area of the island will be replaced by evergreen broad-lea ed forests after a few future.

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The Ecological Diagnosis of the Vegetation in Urban Neighborhood Park -In case of Hwasan Park, Chonju- (도시근린공원 식생의 생태학적 진단 -전주화산공원을 중심으로-)

  • Kim, Chang-Hwan;Myung, Hyun
    • Journal of the Korean Institute of Landscape Architecture
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    • v.28 no.6
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    • pp.62-76
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    • 2001
  • This study is to offer the basic information and materials for the restoration of the urban forest and the ecologically healthy and continuous green belt through the investigation and the analysis on the vegetation in Hwasan Park, Chonju-City. The flora of Hwasan Neighborhood park was composed of 86 families 230 genera, 261 species, 35 varieties, 1 formae or 298 Taxa. Among them, calculation of Pte-Q Index represented 0.60, Fisher's Index. Some characteristics of the plants in this area have represented such as Th-D1-R5 type in biological type, erect form(64.6%) in growth type, 30 taxa in naturalized plants. The life form spectra investigated from Hwasan neighborhood park was recognized as the following M"17.4%, N:11.4%, E:0.3%, Ch:0%, H:29.8%, G:6.7%, HH:0%, Th:34.2%. By the Z-M method 5 plant communities and 3 afforestation were recognized; Quercus variabilis community, Q.acutissima community, Q.serrata community, Sorbus alnifolia community, Pinus densiflora community, P.rigida afforestation, Robinia pseudo-acacia afforestation and Larix leptolepis afforestation. The actual vegetation map constructed on the grounds of the communities classified and other data. The pattern of successional trend of tree species might be suggested: L. leptoleipis, P. rigida and P. densifloralongrightarrowQ.variabilis and Q.acutissimalongrightarrowS.alnifolia and Q.serratalongrightarrowCarpinus tschonoskii community. Three measurements of species diversity (richness index(SR), Shannon-Wiener index(H'), evenness index(J')) and their relationship with community type were studied in the surveyed plant communities. Q.serrata community was higher in SR, H', J' than the other communities, whereas R.pseduo-acacia afforestation was low. Finally, The vegetation of the Hwasan neighborhood park must not allowed any more. Nothing ca be better than native states in preserving the ecosystems.tems.

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Characteristics Analysis of Agricultural Reservoir Slope Vegetation for Judging the Leakage Zone (누수구역 판단을 위한 농업용 저수지 사면식생의 특성 분석)

  • Park, Seung Ki;Kim, Hyun Soo;Kim, Nam Ho;Lee, Jong Bo;Jung, Nam su
    • Journal of Korean Society of Rural Planning
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    • v.23 no.2
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    • pp.87-96
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    • 2017
  • This study is a basic research with the aim of developing the method of judging the leakage zone by grasping the habitat characteristic of agricultural reservoir slope in inhabiting characteristics appear differently according to natural inhabiting environment. To this end, this study is intending to investigate slope vegetation using a quadrat technique at Sinheung reservoir located at Gwangsi-myeon, Yesan-gun, Chungnam, and to perform the analysis of importance value using relative frequency and relative coverage, etc. Also, this study intended to present the necessity of having to consider the eco-system of the relevant region in time of a reservoir slope afforestation for the time to come by suggesting that the reservoir slope vegetation after a stable period becomes similar to the regional vegetation by comparing this study result with the existing research which carried out the analysis of importance value of forest vegetation for Yesan Region. The reservoir slope vegetation is similar to the indicator species which appear in the regional forest vegetation, so there was a need to select afforestation species in the light of this in time of slope afforestation. As a result of the analysis of the importance value, this study grasped that there was an emergence characteristic similar to the vegetation at a birthplace of a forest fires because growth and development of forest trees, and perennial plants were restricted by annually implemented brush-cutting work, etc.; however, indigo plant and bush clover, etc. were found to show the characteristic differing from this. Consequently, this study was able to confirm that there is the necessity of having to create the Importance Value Table suited for reservoir slopes by region through a lot more data construction in the near future.

Afforestation Effect Analysis Using MODIS Imagery: Yulin, Shaanxi, China As a Case Study (MODIS 영상을 이용한 중국 산시성 위린시의 조림 효과 분석)

  • Jang, Hyo-Seon;Kim, Sang-Pil;Kim, Mi-Kyeong;Sohn, Hong-Gyoo
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.35 no.4
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    • pp.1007-1013
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    • 2015
  • Desertification in China, one of the source regions of yellow dust, has been worsen by industrialization and extreme land development, which increases the damage caused by yellow dust in Korea. Because the yellow dust from China affects not only their own country, but also neighboring countries, it is becoming an international problem, and China has been started afforestation projects to prevent excessive desertification with the help of the international community. However, it is only possible for identifying the results of afforestation projects to check afforestation result reports from National Bureau of Statistics of China, which makes it difficult to check out tangible results. Therefore, this study was conducted by using remote sensing technique for monitoring afforestation status of Yulin, shaanxi, China. in which an afforestation project has been carried out steadily. MODIS imagery was used as remote sensing data and it was confirmed that vegetation has been increased through vegetation indices from 2000 to 2014 and afforestation areas were estimated as same trend of ground reference data.

Case Study of Slope Protection Method using GeoComb (지오콤을 이용한 사면녹화공법의 현장적용 사례)

  • Oh, Young-In;Kim, Sung-Hwan;Yuu, Jung-Jo;Shim, Jin-Seap
    • Proceedings of the Korean Geotechical Society Conference
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    • 2008.10a
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    • pp.974-979
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    • 2008
  • The purpose of this study was to evaluate the effect of vegetation on the cutting slope applied by vegetation system in the whole land. The engineering characteristics of slopes were investigated using the face mapping and physical tests. From the statistical methods, a relationship between a geologic stratum and degree of covering was independent. Therefore, the afforestation of slope was affected more by condition of vegetation as direction and opening of joints, and a topsoil state than by conventional classification of layer. It was concluded that the adjustable vegetation on the slope considering condition of geometric shape of slope, joint data and spontaneous type could make useful early afforestation.

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Forest Vegetation Structure in Daedeok Science Town (대덕연구단지 산림식생 구조)

  • Song, Ho-Kyung;Lee, Kyoo-Seock;Yee, Sun;Ji, Yun-Ui;Lee, Mi-Jeong;Her, Seung-Nyung
    • The Korean Journal of Ecology
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    • v.24 no.3
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    • pp.169-180
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    • 2001
  • The forest vegetation in Daedeok Science Town were classified as second forest vegetation and afforestation vegetation. The second forest vegetation was classified into two communities such as Pinus densiflora community and Quercus acutissima community. Also, the afforestation vegetation was classified again as Robinia pseudoacacia community, Pinus rigida community, Pinus thunbergii community, and Castanea crenata community. In this study area, we found total 217 taxa. The average species of appearance in Pinus densiflora community, Quercus acutissima community, Robinia pseudoacacia community, Pinus rigida community, Pinus thunbergii community, and Castanea crenata community were 21, 20, 20, 21, 21, and 18, respectively. There was no difference in appearance species between second forest and afforestation vegetation. We found total 12 naturalized plants taxa of Commelina communis, Phytolacca americana, Erigeron annuus, and Ailanthus altissima in the plots and total 19 naturalized plants taxa of Dactylis glomerata, Bidens frondosa, Xanthium strumarium, and Soianum nigrum in the climbing roads and forest circumferences. And so, we found total 31 naturalized plants taxa in this study area.

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A Case Study on Vegetation System Applied on Cutting Slope (비탈면에 적용된 식생공법의 사례연구)

  • Lee, Cheo-Keun;Bae, Woo-Seok;Kim, Sang-Su;Han, Ju-Hee
    • Journal of the Korean GEO-environmental Society
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    • v.6 no.2
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    • pp.21-30
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    • 2005
  • The purpose of this study was to evaluate the effect of vegetation on the cutting slope applied by vegetation system in the whole land. The engineering characteristics of slopes were investigated using the face mapping and physical tests. From the statistical methods, a relationship between a geologic stratum and degree of covering was independent. Therefore, the afforestation of slope was affected more by condition of vegetation as direction and opening of joints, and a topsoil state than by conventional classification of layer. It was concluded that the adjustable vegetation on the slope considering condition of geometric shape of slope, joint data and spontaneous type could make useful early afforestation.

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A Study on Monitoring to Investigate Dynamic Temperature Model by Sensible Heat Flux of Green Roof System (옥상녹화시스템의 현열유동에 따른 동적온도모형 검증을 위한 모니터링 연구)

  • Park, Eun-hee;Kim, Tae-han;Park, Sang-yeon;Jang, Seong-wan
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.18 no.6
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    • pp.15-25
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    • 2015
  • 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.

Classification and Ordination Analyses of the Vegetation of Mt. Seondal, Korea

  • Kim, Young-Sik;Kim, Chang-Hwan;Kil, Bong-Seop
    • The Korean Journal of Ecology
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    • v.23 no.6
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    • pp.453-460
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    • 2000
  • The forest vegetation of Mt. seondal was classified into eight communities and one afforestation by the phytosocialogical method (Z-M method). In general, Quercus mongolica trees occupied most of the area, while afforestation forest was distributed on the lower slope, cultivated land, and at the vicinity of village. The vegetation on the top part of Mt. Seondal was comparatively well preserved, but that in the lower areas has been disturbed heavily by human activity and some had mixed forests composed of pine trees, oaks, ashes, and Rhododendron micrantum shrub. By cluster analysis method. nine groups were identified as follows : Quercus mongolica group, Q. mongolica - Pinus densiflora group, Q. mongolica - Rhododendron schlipen - bachii group, Q. mongolica - Symplocos chinensis for. pilosa group, P. densiflora group, Juglans mandshurica group, Fraxinus mandshurica group, Betula costata group and Larix leptolepis group. These groups showed differences in species composition, but Quercus mongolica, Q. mongolica - P. densiflora, Q. mongolica - R. schlippenbachii and Q. mongolica - S. chinensis for. pilosa groups among them showed very similar floristic composition to each other. In the relationship between polar ordination axes and environmental variables, altitude was the environmental factor determining variation in species composition along axis X and soil moisture was the environmental along axis Y. They were the main factors in determining forest vegetation. The result of cluster analysis and polar ordination for the forest vegetation were corresponded to those of phytosocialogical classification in classifying vegetation.

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Syntaxonomy of the Forest Vegetation and Surrounding Taegu, Korea (대구 인접지역에 대한 삼림식생의 군락분류)

  • Choung, Heung-Lak;Lee, Ho-Joon;Lee, Jae-Seok
    • The Korean Journal of Ecology
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    • v.23 no.5
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    • pp.407-421
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    • 2000
  • The forest vegetation surrounding Taegu area was investigated by the methodology of the ZM school of phytosociology, from September, 1994 to August, 1997. The forest vegetation was classified into 7 communities, 8 subcommunities and 5 afforestations as follows : Quercus mongolica community (Typical subcommunity, Carex siderosticta subcommunity), Quercus variabilis community, Quercus acutissima community, Quercus dentate community, Carpinus cordata-Acer mono community (Typical subcommunity, Quercus serrata subcommunity, Cornus controversa subcommunity), Pinus densiflora community (Typical subcommunity, Sanguisorba officinalis subcommunity, Rhododendron schlippenbachii subcommunity), Lespedeza maximowiczii-Rhododendron mucronulatum community , Robinia pseudo-acacia afforestation, Pinus rigida afforestation, Larix leptolepis afforestation, Pinus thunbergii afforestation, Pinus koraiensis afforestation. The differential species of the Quercus mongolica community were Quercus mongolica, Athyrium yokoscense, Rhododendron schlippenbachii, Fraxinus sieboldiana, Acer pseudo-sieboldianum, Symplocos chinensis for. pilosa, Astilbe chinensis var. davidii, Weigela subsessilis, and Melampyrum roseum, those of the Carpinus cordata-Acer mono community were Acer mono, Carpinus cordata, Carpinus laxiflora, and Staphylea bumalda, those of the Pinus densiflora community were Pinus densiflora, Quercus serrata, Cocculus trilobus, and Juniperus rigida. Constance degree of the Quercus serrate was especially high in shrub and herb layers of the Pinus densiflora community. The results of factor analysis by DCA showed that distribution pattern of the communities were similar to that by Z-M method and that communities were arranged according to soil moisture gradient. Rhododendron schlippenbachii subcommunity of the P. densiflora community and the Typical subcommunity of the Q. mongolica community were distributed in similar environments.

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