• Title/Summary/Keyword: TYPICAL COMMUNITY

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Phytosociological studies on the vegetation in kadok islet (加德島 植生의 植物社會學的 硏究)

  • Kim, In-Taek;Lee, Sang-Myung;Byun, Doo-Weon
    • The Korean Journal of Ecology
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    • v.15 no.1
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    • pp.81-102
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    • 1992
  • The forest of kadok islet was investigated from aug. 1 1990 through oct. 30, 1990. The results obtained are summarized as follow : a floristic community. Most of the investigated area is occupied by arable land and pinus thunbergii forest, quercus serrata forest with only small area of camellia japonica forest of the eastern units. pinus thunbergii community subunit : eurya japonica rhododendron mucronulatum var. ciliatum elaeagnus umbellata typical quercus serrata community subunit : stephanandra incisa rhus chinensis typical quercus autissima community camellia japonica community zelkova serrata-acer mono community carpinus coreana community

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Study of vascular hydrophyte vegetation and biomass in Bigumdo, Shinangun, Korea (신안군 비금도의 관속수생식물의 식생 및 생산량(Biomass)에 관한 연구)

  • Yang, Hyo-Sik
    • Journal of Wetlands Research
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    • v.8 no.2
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    • pp.65-74
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    • 2006
  • A study of the vascular hydrophyte communities and biomass was undertaken in the Bigumdo wetlands, Shinangun, from March to November, 2005. As a result, the vegetation was divided into 14 communities. Among them, emergent hydrophytes consisted of 6 communities, including Miscanthus sacchariflorus community, Phragmites communis community, Typha angustata community, Leersia japonica community, Paspalum disticum var. indutum community, and Persicaria thunbergii community, floating hydrophytes 5 communities including Hydrocharis dubia community, Nelumbo nucifera community, Euryale ferox community, Trapa japonica community and Nymphaea tetragona var. angusta community, free-floating hydrophytes 2 commuinties including Lemna paucicostata community and Spirodela polyrhiza community, and submergent hydrophyte 1 community, including Myriophyllum verticillatum community. Biomass was the highest at emergent hydrophytes and decreased along the life form, in the order like floating hydrophytes, submergent hydrophyte and free-floating hydrophytes. In addition, hydrophytes in the Bigumdo wetland showed the typical vertical zonation pattern like a natural swamp. These results were considered that the wetland of Bigumdo was characterized by the typical structure of aquatic plant ecosystem.

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Ecological Studies on the Vegetational Characteristics of the Abies koreana Forest (구상나무림(林)의 군락생태학적 연구)

  • Lee, Yoon Won;Hong, Sung Cheon
    • Journal of Korean Society of Forest Science
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    • v.84 no.2
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    • pp.247-257
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    • 1995
  • This research carried out forest community classification on the basis of the methods of ZM school, in order to furnish useful information needed for forest management, and for afforestation and preservations of Abies koreana forest which was Korean native species, and the research results could be summarized as follows. Abies koreana forest was divided into 10 vegetation units ; This forest was divided into Abies koreana-Quercus mongolica community and Abies koreana-Sasa quelpartensis community. Abies koreana-Quercus mongolica community was divided into Tripterygium regelii group, Patrinia saniculaefolia group, and Typical group, and Tripterygium regelii group seas divided into Typical subgroup. Pimpinella brachycarpa subgroup, and Hemirocallis fulva subgroup. Abies koreana-Sasa quelpartensis community was divided into Berberis koreana group, Trachelospermum asiaticum var. intermedium group, and Typical group. Berberis koreana group was divided into Typical subgroup and Hepatica asiatica subgroup, and Tranchelospermum asiaticum var. intermedium group was divided into Hepatica asiatica subgroup and Typical subgroup. According to the results of the analysis by coincidence method, Abies koreana-Quercus mongolica community represented in Mt. Chiri, Mt. Deokyu and Mt. Kaya which were located in the Sobaek mountains, Abies koreana-Sasa quelpartensis community represented in Mt. Hanla. Therefore it was thought that Abies koreana forest was classified by geographical position, and vegetation units of Abies koreana forest tended to be classified by the altitude and topography. As for DBH and height of Abies koreana, mean DBH and height of Abies koreana-Quercus mongolica community were each 28.4cm, 10.6m that were larger than mean DBH and mean height(each 23.6cm, 6.3m) of Sasa quelpartensis community. Among Abies koreana-Quercus mongolica community, Patrinia saniculae-folia group had the smallest mean DBH and mean height(20cm, 5m), and among Abies koreana-Sasa quelpartensis community, Typical group had the smallest mean DBH and mean height(4cm, 3m).

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Synecology of the Forest Vegetation in Namhae-gun (남해군 삼림식생의 군락생태)

  • Lee, Ji-Hoon;Kim, In-Taek
    • The Korean Journal of Ecology
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    • v.28 no.2
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    • pp.69-77
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    • 2005
  • The forest vegetation of Namhae-gun was investigated using the methodology of the Z.-M. school of phytosociology from March, 1998 to September, 2003. The forest vegetation was classified into 12 communities, 11 subcommunities, 5 afforestations as follows : Quercus mongolica community(typical subcommunity, Rhododendron schlippenbachii subcommunity), Ouercus serrata community(typical subcommunity, Acer pseudo-sieboldianum subcommunity), Ouercus variablis community(typical subcommunity, Platycarya strobilacea subcommunity), Quercus acutissima community, Carpinus laxiflora community, Carpinus coreans community, Styrax japonica community, Zelkova serrata community, Corylopsis coreana community, Pinus densiflora community(typical subcommunity, Rhododendron mucronulatum subcommunity, Carpinus laxiflora subcommunity), Pinus thunbergii community(typical subcommunity, Eurya Japonica subcommunity), Rhododendron yedoense var. poukhanense community, Chamaecyparis obtusa afforestation, Alnus firma afforestation, Pinus rigida afforestation, Robinia pseudo-acacia afforestation, Cryptomeria japonica afforestation. The soil pH of the study area was ranged from 4.2 to 5.4, and soil moisture content was strongly related to organic matter content. The Corylopsis coreana community contained the highest soil moisture content, whereas Pinus densiflora community contained the lowest one. The content of organic matter were $15.8\sim19.1%$ in the Quercus mongolica, Carpinus coreans and Ouercus serrata communities, $3.3\sim5.4%$ in the Quercus acutissima, Corylopsis coreana and Pinus thunbergii communities, and $2.8\sim5.6%$ in the Pinus rigida and Cryptomeria japonica afforestation. There is significant correlation among the contents of cations($K^+$, $Ca^{2+}$ and $Mg^{2+}$).

A Comparative Study on the Mother's Attachment, Self-concept, Daily Stress, Depression of Children from Multicultural and Typical Korean Families (다문화가족과 한국인 부모 아동의 모애착, 자아개념, 일상적 스트레스, 우울 비교)

  • Nam, Yun-Ju;Lee, Sook
    • The Korean Journal of Community Living Science
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    • v.20 no.3
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    • pp.357-367
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    • 2009
  • This research examined the psychological characteristics of children, such as children's attachment to their mothers, self-concept, daily stress, and depression, in both multicultural and typical Korean families. Elementary school children in 3rd to 6th grade were surveyed in Chunnam province. 158 cases of multicultural families and 181 cases of typical Korean families were analyzed by the methods of Cronbach's a coefficient and independent t-test using SPSS program. Children from multicultural families had less attachment to their mothers and self respect than those from typical Korean families. Regarding daily stress, children from multicultural families highly recognize the economic and physical environments, whereas children from typical Korean families highly recognize the academic achievements and the relationships with their teachers. Children from multicultural families were highly prone to depression compared to the children from typical Korean families.

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Classification of Forest Vegetation of Seonunsan Area, Southweatern Korea (Z-M 방식에 의한 선운산지역의 삼림군집 분류)

  • Kim, Jeong-Un;Yang-Jai Yim
    • The Korean Journal of Ecology
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    • v.9 no.4
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    • pp.209-223
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    • 1986
  • The forest stands of Seonusan area, South-western Korea, were classified into three alliances and nine communities by the Z-M school scheme. Of these one alliance and four association were recognized in this study, that is, an alliance, Carpinion laxiflorae and four associations, Casrpinetum tschonoskii, Quercetum variabilis, Carpinetum laxiflorae and Rhododendro mucronulati-Pinetum densiflorae. Hierachy of Seonunsan area forest vegetation by Z-M scheme was as fallows: Pinion densiflorae Suz.-Tok. 1966. 1. Rhododendro mucronlati-Pinetum densiflorae ass.l nov., 2. Pinus thunbergii community. Carpinion laxiflorae all. nov., 1. Quercus serrata-Carpinus tschonoskii community, 2. Quercus aliena-Carpinus tschonoskii community, 3, Carp inetum tschonoskii ass. nov., a. Typical subass., b. Sasa borealis subass. 4. Quercetum variabilis ass. nov., a Sasa borealis subass. b. Typical subass, 5. Carpinetum laxiflorae ass. nov., Zelkovion serratae Miyawaki et al., 1977., 1. Orixo-Zelk ovetum serratae Miyawaki et H. Tohma 1975., a Typical subass., b. Thea sinensis facies, 2. Thea sinensis-Camellia japonica community.

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Studies on Moor Vegetation of Mt. Daeam, East-Central Korea (대암산 습원의 식생)

  • Choi, Ki-Ryong;Koh, Jae-Kee
    • The Korean Journal of Ecology
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    • v.12 no.4
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    • pp.237-244
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    • 1989
  • The moor vegetation of Daeryong-po on Mt. Daeam, east-central Korea was investigated in July 26th-29th, 1989, It was classified into I community group, 4 communities and 5 subcommunities; Sanguisorba tenuifolia var. alba community group, Sphagnum palustre community. Typical subcommunity, Eleocharis mamillata var. cyclocarpa subcommunity, Carex canescense subcommunity, Carex dispalata community, Spiraea salicifolia community, Geranium eriiostemon var. megalanthum community, Arundinella hirta-Phragmites communis subcommunity, Angelica purpuraefolia subcommunity. According to this classification, the actual vegetation map was made. The distribution of vegetation in this moor was divided characteristically into two areas. One was a typical oligotrophic area characterized by S. palustre community. The other was an area having mesotrophic or eutrophic conditions where its original state was disturbed by inflow of soil particles and removal of peat. It this disturbed area, C. dispalata, S. sibiricus, G. eriostemon var. megalanthum, were invaded.

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Characteristics of the Vegetation in the Coastal Dunes near the Swimming Beaches on the East Sea Coast, South Korea (동해안 해수욕장 주변의 해안사구 식생 특성)

  • Cho, Woo;Song, Hong-Seon;Hong, Sung-Chul;Choi, Deog-Cheon
    • Korean Journal of Environment and Ecology
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    • v.23 no.6
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    • pp.499-505
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    • 2009
  • This study was carried out to investigate and evaluate the vegetations in the coastal dunes in the vicinity of swimming beaches on the East Sea, South Korea, and the vegetations that were investigated are as follows: Carex pumila community, Cynodon dactylon community, Zoysia macrostachya community, Rosa rugosa community, Vitex rotundifolia community and Carex kobomugi typical community. Some of these vegetations, such as Carex kobomugi, Calystegia soldanella, Ixeris repens, Elymus mollis, Lathyrus japonica, and Glehnia littoralis were found to be differential species which belongs to Caricion kobomugi of Glehnietea littoralis. It was also discovered that Vitex rotundifolia community was the most heterogeneous among vegetation communities of the coastal dunes surrounding swimming beaches, and Zoysia macrostachya community was most closely linked to the typical coastal dune vegetation community. Finally, Rosa rugosa community and Vitex rotundifolia community seemed to have formed near the hinterland of coastal dunes and swimming beaches respectively because of certain unnatural disturbances such as construction of buildings and facilities or natural disasters.

A Study on Characteristic of Forest Vegetation and Site in Mt. Odae(I) -Classification of Plant Community in Tongdaesan- (오대산(五臺山)의 산림식생(山林植生)과 입지특성(立地特性)에 관한 연구(硏究)(I) - 동대산지역(東臺山地域)의 식물군락분류(植物群落分類) -)

  • Lee, Sun
    • Journal of Korean Society of Forest Science
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    • v.89 no.2
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    • pp.173-184
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    • 2000
  • The aim of this study was to characterize the forest vegetation and site of Tongdaesan(Odaesan National Park) for ecological forest management. The deciduous forests of Tongdaesan are the result of cool, temperate climate. Direction and slope morphology contribute to differences in species composition and vegetaion structure. Based on the BRAUN-BLANQUET-approach, 242 releves were recorded and subsequently classified. The vegetation could be divided into two forest community groups, seven forest communities, and several groups. South exposed, dry slopes were covered with forests of the Quercus mongolica-Acer pseudo-sieboldianum community group. Differential species included grasses and sedges, e.g., Calamagrostis langsdorfii, Carex humilis and C. lanceolata. Quercus mongolica-Acer pseudo-sieboldianum community group could be subdivided into Rhododendron mucronulatum var. ciliatum community, Lespedeza${\times}$tomentella community, Carex humilis-Maackia amurensis community, Quercus mongolica-Acer pseudosieboldianum typical community and Pimpinella brachycarpa community. Carex humilis-Maackia amurensis community was divided into Galium kinuta subcommunity and typical subcommunity. Pimpinella brachycarpa community was divided into Vicia venosa var. cuspidata subcommunity and typical subcommunity. On north exposed, more humid and moist sites, forests of the Dryopteris crassirhizoma-Cornus controversa community group were found. This group was subdivided into Acer tschonoskii var. rubripes-Acer tegmentosum community and Deutzia glabrata-Ulmus laciniata community. Deutzia glabrata-Ulmus laciniata community was divided into Acer tegmentosum subcommunity, Saxifraga punctata subcommunity and typical subcommunity.

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Community Classification for Actual Vegetation of Anmyeon Island in Chungcheongnam-do Province, Korea (안면도 현존식생에 대한 군락분류)

  • Shin, Jae-Kwon;Yun, Chung-Weon;Yang, Hee-Moon
    • Journal of Environmental Science International
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    • v.18 no.12
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    • pp.1427-1436
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    • 2009
  • The purpose of this study was to explain community structure for actual vegetation and their environment variables in Anmyeon Island. Samples were collected for 106 plots using ZM phytosociology method and coincidence method. Actual vegetation were classified into three vegetations types(forest vegetation type, maritime vegetation type, lake vegetation type) and eleven community units. Pourthiaea villosa community in forest vegetation type was divided into 5 groups such as Carpinus coreana group, Pinus rigida group, Chamaecyparis obtusa group, Castanea crenata group and Typical group. Maritime vegetation type was divided into 3 communities, such as Vitex rotundifolia community, Koelreuteria paniculata community and Suaeda japonica community. V. rotundifolia community was subdivided into 2 groups, Rosa rugosa group and Diodia teres group. K. paniculata community was subdivided into 2 groups, Grewia biloba var. parviflora group and Typical group. Lake vegetation type was divided into 1 community, Nelumbo nucifera community. And it was entirely classified into 11 community units.