• Title/Summary/Keyword: 두륜산

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Plant Community Structure of Evergreen Broad-Leaved Forest in Mt. Turyunsan, Korea (두륜산 상록활엽수림의 식물군집구조)

  • 오구균
    • Korean Journal of Environment and Ecology
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    • v.8 no.1
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    • pp.43-57
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    • 1994
  • The evergreen broad-leaved forest in Mt. Turyunsan was classified into four plant communities : Carpinus tschonoskii community, Carpinus tschonoskii - Quercus acute community, Quercus acuta community, Neolitisea sericea community. Quercus acuta, which had been appeared as a dominant species in most evergreen broad-leaved forest, was assumed to be succeed from Quercus serrata and Quercus variabilis through Carpinus tschonoskii, and would be succeed to Neolitsea serisea. Carpinus thschonoskii and Quercu serrata were assumed to be competitive with Quercus acuta, Camellia japonica, Neolitsea serisea and, Machilus thunbergii. It was assumed that Quercus acuta had a similiar ecological niche with Camellia japonica. Also it was assumed Neolitsea serisea had a similiar ecological niche with Lozoste lansifolia.

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조계산.두륜산도립공원후보지기본조사-도립공원지정을 위한 타당성

  • the National parks of Association of Korea
    • 공원문화
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    • s.10
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    • pp.31-32
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    • 1978
  • 한국국립공원협회는 경관자원이 수려풍부하고 탐방이용의 가치를 지니고 있는 전라남도의 조계산 두륜산일대의 공원자원의 보호와 국민보건 휴양 및 정서생할 향상에 기여하고 영구히 계승하기 위하여 도립공원지정 타당성 조사를 실시하였는데 그 개요를 소개한다.

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Diversity and Faunal Changes of the Macrolepidoptera in Mt. Duryunsan and Its Neighboring Area, Jeonnam, Korea (전남 두륜산 일대에 서식하는 대형나방종의 다양성 및 종 구성 변화)

  • Choi, Sei-Woong;Na, Sang-Duck
    • The Korean Journal of Ecology
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    • v.28 no.2
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    • pp.79-83
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    • 2005
  • We investigated the species richness of macrolepidoptera (including pyralid moths) in the evergreen broad-leaved forests of southwestern coast of Korea. The studied site was Mt. Duryunsan and its neighboring area, Haenam-gun, Jollanam-do and moths were identified and analyzed after collecting them with UV light traps from 2001 to 2004. A total number of species comprised 18 families and 489 species. We expected that the number of species would be increased when the species of microlepidoptera and butterflies were included. The family Noctuidae with 181 species was dominant in the area followed by Geometridae with 129 species and Pyralidae with 72 species. Based on number of collected individuals, Geometridae was the highest and followed by Noctuidae, Pyralidae and Drepanidae. Fifty-one percent of the total species consisted of less than two specimens in the collected sample. Monthly changes of numbers of species and individuals were examined and indices of Simpson's heterogeneity and evenness were also drawn. We briefly discussed the possibility of moth species or group of species as bioindicator for assessing the condition of forest after disturbance.

난온대 상록수림지역의 식생구조와 천이계열

  • 오구균;최송현
    • The Korean Journal of Ecology
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    • v.16 no.4
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    • pp.459-476
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    • 1993
  • Vegetational structure and successional sere were investigated for the evergreen and nearby deciduous broad-leaved forests in inland areas (Turyunsan, Pulgapsan) and south- western island areas (Hongdo, Chindo). The evergreen broad-leaved forests of the four areas showed a sera1 stage with an age structure mostly under fifty years old. Dominant evergreen broad-leaved species in canopy layer were Castanopsis cuspidata var. sieboldii, Machilus thunbergii, Quercus acuta, Q. stenophylla, Q. glauca, and Ncolitsea serzceu. Succession of the forest vegetation in the surveyed areas was proceeding from deciduous broad-leaved trees to evergreen broad-leaved trees. The species of climax stage were assumed to be Machilus thunbergii, iVeolitseu sericea and Dendropanax morbifera in canopy layer, Aucuba japonica and Machilus japonica in subtree and shrub layer.

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Notes on Korean Strobilomycetaceae (III) -On Austroboletus and the Key to Genera of the Strobilomycetaceae- (한국산 귀신그물버섯과에 대한 고찰(III) -남방그물버섯속과 귀신그물버섯과의 속 검색표-)

  • An, Yong-Hwan;Kim, Yang-Sup;Seok, Soon-Ja;Yoon, Kyung-Ha
    • The Korean Journal of Mycology
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    • v.26 no.2 s.85
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    • pp.230-238
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    • 1998
  • To study the species diversity of the genus Austroboletus in Korea, 12 specimens were collected from 1982 to 1996 at 5 locations including Odaesan. Collected specimens were observed and three species among them were identified and described by observing macroscopic and microscopic characters, one of which was confirmed new to Korea.: Austroboletus subvirens (Hongo) Wolfe. The three species are as follows; Austroboletus fusisporus (Kawam. ap. Imaze. & Hongo) Wolfe, A. gracilis (Peck) Wolfe and A. subvirens (Hongo) Wolfe and registered here with the key to Genera of the Strobilomycetaceae in Korea.

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Studies of Vegetation Structure Analysis and Anticipation of Vegetation Change due to Global Warming on Secondary Forest in Ecotone (추이대 2차림의 식생구조 분석과 온난화에 따른 식생의 변화 예측에 대한 연구 - 두륜산을 중심으로 -)

  • Lee, Sung-Je;Ahn, Young-Hee
    • Korean Journal of Environment and Ecology
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    • v.25 no.3
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    • pp.365-377
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    • 2011
  • This study aims at classifying and interpreting on the second forest vegetation located in Mt. Duryun affiliated to the ecotone in southern part of Korea, and foreseeing vegetation change based on component species and dominant species on canopy. The second forest vegetation is classified into 3 community units as Quercus serrata-Quercus variabilis community, Dendropanax morbiferus-Quercus acuta community and Chamaecyparis obtusa plantation. This research is also expatiated on the relationship between the distribution of communities and the environmental conditions. Quercus serrata-Quercus variabilis community will be succession horizontally and gradually from the part where Quercus variabilis is dominated relatively at first to the other part in the community, according to the component species of deciduous broad-leaved forest in the warm-temperate zone and evergreen broad-leaved forest as Camellietea japonicae.

Assessment of Natural Environment - II. Based on the Plant Taxa of the Natural Parks and Ulleung island- (자연환경 평가 -II. 국내 자연공원과 울릉도의 식물군을 이용하여-)

  • 김철환;이희천
    • Korean Journal of Environmental Biology
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    • v.19 no.1
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    • pp.49-58
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    • 2001
  • This study aims to compare and analyze the environment of natural parks and Ulleung island using the plant taxa classified by five degrees based on their distributional ranges. The scores differentially given based on the importance of each degree; taxa belonging to the fifth degree are given to 20 scores each, fourth 10, third 5, second 3.3, and first 2.5, respectively. The total assessed scores were ranked as Mt. Halla, Seorak, Jiri, Deokyu, Is. Ulleung, Mt. Sobaek, Odae, Palgong, Chink, Taebaek, Songni, Juwang, Gaya, Duryun, Gaeryong, Bukhan, Naebyeon, Worak, Naejang, Cheongryang, Naeyeon, Myeongii, Jokye, Mudeung, Wolchul, Geumo, Juheul, Biseul, Hwangmae, Jangan, Seonun, Moak, Seonam, Chilgap, and Gibaek, in order, respectively. It is suggested that the natural environments assessing more than 1,000 of total scores such as Mt. Halla and Mt. Deokyu are regarded as the most excellent ones, and those between 700 to 1,000 of total scores such as Is. Ulleung and Mt. Odae are regarded as relatively excellent ones. Natural parks scored between 500 to 700 such as Mt. Palgong and Mt. Gaya are regarded as good ones and parks scored between 300 to 500 such as Mt. Duryun and Mt. Mudeung are regarded as normal ones. The area assessed less than 300 of total scores such as Mt. Wolchul and Mt. Gibaek are regarded as the most inferior ones. The total scores of the national parks are generally higher than those of the provincial and county parks. In addition, Ulleung island has a total of 882.9 scores. Therefore, according to the IUCN the Ulleung island should be included in the criterion of the preservative model of natural ecosystem, suggested by Ministry of Environment. At the same time, Ulleung island should be included to the superior model of natural scenery resources by its uniqueness of topography, geography and natural environments. Ulleung island is assessed as having relatively excellent natural environments as compared with other national parks, suggesting that the island should be designated as a new national park.

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Analysis of hybridity of Asplenium castaneo-viride Baker (거미꼬리고사리의 잡종성 분석)

  • Kwon, Yong Ju;Kim, Chul Hwan;Ahn, Jin Kap;Sun, Byung-Yun
    • Korean Journal of Plant Taxonomy
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    • v.39 no.1
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    • pp.12-23
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    • 2009
  • To verify hybridity of Asplenium castaneo-viride, external morphology, spore morphology, anatomy and chromosomes of the species and of the two presumed parental species, A. incisum and A. ruprechtii, were examined. A. castaneo-viride usually had 1-pinnately divided frond. However, some individuals had almost simple fronds with pinnatisect basal parts similar to A. ruprechtii, while others had fronds similar to A. incisum in having oblanceolate blades and basal pinnae with triangular, 2-3 lobed apices. On the surface of the spores, sculpturing consisted of folds that were usually prominent; forming long wings, and irregular or incomplete reticulation. However, reticulation patterns varied among species. A. castaneo-viride showed a wide range of variation from sparse to dense patterns, whereas A. incisum showed only from sparse to intermediate patterns. A. ruprechtii showed from intermediate to dense patterns. The spore size of A. castaneo-viride was $54.63{\mu}m$, larger than other two species ($47.81{\mu}m$ in A. incisum and $44.22{\mu}m$ in A. ruprechtii). The level of undulation of epidermal cell wall was also different. A. incisum had the most shallowly undulated wall, and A. castaneo-viride had a pattern intermediate between the two presumed parental species. This same patterns was recognized in the density of stomata. The density of $45.91/mm^2$ in A. castaneo-viride was intermediate between the two presumed parental species ($67.00/mm^2$ in A. incisum, and $37.86/mm^2$ in A. ruprechtii). Chromosome number was constant (2x =2n = 72) as in A. incisum and A. ruprechtii. However, A. castaneo-viride showed a different ploidy level. The populations of Mt. Mai (Jeonbuk province) and Mt. Duryun (Jeonnam province) were diploid (2n = 72) which is a new record for this taxon, whereas the population of Mt. Buram (Seoul) was tetraploid (2n = 144). Conclusively, A. castaneo-viride was revealed to be a hybrid of A. ruprechtii and A. incisum based on evidence involving leaves, spores, epidermal cells, stomata and chromosome number.