• 제목/요약/키워드: 완도

Search Result 350, Processing Time 0.021 seconds

Ilex × wandoensis C. F. Miller & M. Kim, a new hybrid species of Ilex (Aquifoliaceae) from Korea (감탕나무속(Ilex)의 신잡종, 완도호랑가시나무(I. × wandoensis C. F. Miller & M. Kim))

  • Miller, C.F.;Kim, Muyeol
    • Korean Journal of Plant Taxonomy
    • /
    • v.32 no.3
    • /
    • pp.293-299
    • /
    • 2002
  • A new taxon of Ilex is described from Wando Island, Province Jeonnam, Korea. Ilex x wandoensis C. F. Miller & M. Kim hybrid nov. originates from the natural hybridization of the parent species, I. cornuta Thunb. and I. integra Thunb. Leaves of the new taxon have smooth, spinose margins, a condition that is intermediate between the twisted, spinose leaf margins of I. cornuta and the smooth, entire margins of I. integra. The new hybrid species shares several characters with its two parents, including evergreen leaves, dioecy, and red drupes.

완도 관제구역 확대에 따른 고찰

  • Choe, Dae-Han;Ju, Sang-Jun;Go, Yeong-Sin
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • 2016.05a
    • /
    • pp.325-328
    • /
    • 2016
  • 현재 완도항 VTS의 현황을 통해 관제구역 확대의 필요성과 확대될 관제구역의 예상효과를 알아보고, 예상되는 문제점과 안전하고 효율적인 관제를 위한 대응방안 제안.

  • PDF

IWRAP에 의한 완도해역 충돌확률 분석

  • Kim, Gwang-Il;Choe, Un-Seong;Jeong, Jung-Sik
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
    • /
    • 2012.06a
    • /
    • pp.516-518
    • /
    • 2012
  • 해상에서 선박의 충돌확률을 평가하는 것은 해당해역의 잠재적인 해상교통 위험성을 평가하는데 있어 중요하다. 서남해권 해상교통에 중요한 요충지인 완도해역은 동서방향으로는 횡간수도 통과선박들이 항해를 하며, 남북방향으로는 완도항 입출항 선박과 다도해 섬들을 입출항하는 여객선들이 통항을 이루고 있다. IALA 정량적인 해상안전 평가방법인 IWRAP은 통항량, 선속, 길이, 선박의 통항분포로부터 해상에서 통항의 위험도를 평가하므로 인적, 지리적, 환경적 등 주관적인 요소들이 많은 정성적인 평가방법에 비해 적용이 간단하다. 본 연구에서는 VTS 섹터 관제의 관점에서 항로구간별 해상교통의 특징과 개선책을 세우기 위해 IWRAP을 활용하여 완도 해역의 충돌확률을 산출하고자 한다.

  • PDF

Resoures Plants Distributed in the Warm-temperature Zone of Jeonnam Province (전남지방에 분포하는 난대 자원식물 - 희귀특산 목본식물을 중심으로 -)

  • You, Han-Choon
    • Proceedings of the Plant Resources Society of Korea Conference
    • /
    • 2019.04a
    • /
    • pp.23-23
    • /
    • 2019
  • There are many island areas in Jeonnam Province and various plants are naturally grown due to their regional characteristics. Among them 217species were found to be Rare-Specialty plants in Jonnam Province. There are growing 35 species of Critically Endangered(CR), 37 species of Endangered Species(EN), 54 species of Vulnerable(VU) and 36 species of Least Concern(LC), many of which are native to islands far south or western of the sea. This report briefly describes the geographical distribution location and the state of reproduction among Rare-Specialty woody plants grown in the Warm-temperature Zone of Jeonnam Province. There are growing Michella compressa(Shinan-gun), Actinidia rufa(Wando-gun), Glochidion chodoense(Jindo-gun), Rhus ambigua(Yeosu), Wikstroemia ganpi (Goheung-gun, Yeosu) among of the 35 Critically Endangered species. Woody plants of Endangered Species(EN) are growing Albizia kalkora(Mokpo, Muan-gun), Daphne kiusiana(Shinan-gun), Marsdenia tomentosa(Wando-gun), Osmanthus insuralis(Yeosu, Shinan-gun). Woody plants of Vulnerable(VU) are growing Ardisia crenata(Wando-gun, Shinan-gun), Hibiscus hamabo(Wando-gun), Illicium anisatum (Jindo-gun), Koelreuteria paniculata(Wando-gun), Wikstroemia ganpi(Youngam-gun). Woody plants of Least Concern(LC) are Celtis choseniana(Yeosu), Chionanthus retusus(Wando-gun, Goheung-gun), Cinnamomum camphora(Wando-gun, Jindo-gun), Linder sericea(Boseong-gun).

  • PDF

Studies on Anion, Element, Chromaticity and Antioxidant Activities of Commercial Dried Lavers (Porphyra yezoensis) Cultivated in Korea (시판 건조김의 음이온, 원소, 색도 및 항산화 활성)

  • Park, Wook-Min;Kim, Kee-Woong;Kang, Dong-Soo;Bae, Tae-Jin
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.43 no.2
    • /
    • pp.323-327
    • /
    • 2014
  • This study was carried out to provide basic data on the anion, element, chromatic and antioxidant activities of commercial dried lavers cultivated from Seocheon, Wando, Goheung and Busan in Korea. The highest concentrations of several anions ($Cl^-$, $NO_3{^-}$, $SO_4{^2-}$, and $PO_4{^3-}$ per 100 g of dried laver) were 412.00 mg in Wando, 545.90 mg in Goheung, 297.35 mg in Seocheon, and 79.70 mg in Wando, respectively. The highest concentrations of N, C, and S were 6.40%, 41.36%, and 0.98%, respectively, in dried laver cultivated from Wando. Hunter's color values were significantly high in the order of Seocheon < Goheung < Busan < Wando for lightness, Wando < Busan < Goheung < Seocheon for redness, and Goheung < Seocheon < Busan < Wando for yellowness in the dried lavers. Total phenolic content and DPPH (1,1-diphenyl-2-picryl-hydrazyl) radical scavenging activities showed highest values of 166.10 mg/100 g and 28.48%, respectively, in dried laver cultivated from Wando.

Macrobenthos Assemblages on the Rocky Shores of Wando and Jodo islands in Dadohaehaesang National Park in Summer (다도해해상국립공원 완도·조도 암반조간대 하계에 출현한 대형저서무척추동물)

  • Lee, Changil;Yang, Sehee;Gang, Sunhwa;Seo, Chonghyun
    • Journal of the Korean Society of Marine Environment & Safety
    • /
    • v.28 no.6
    • /
    • pp.843-852
    • /
    • 2022
  • To determine the composition of benthic species on the southwest coast, a macrobenthos study was conducted at 18 sites on the islands of Wando and Jodo for seven summers (2014-2021) from June to September. Two hundred and twenty species(645 ind./m2) were collected on the rocky shores of Wando and Jodo. A similar number of species was observed in Wando (165 species) and Jodo (167 species). The mean density was higher in Wando (726 ind./m2) than in Jodo (564 ind./m2). The number of species was the highest at Site 15 (116 species), and the density was highest at Site 7 (1,664 ind/m2). The dominant species were Nodilittorina radiata with 175 ind./m2 (27.1%), Littorina brevicula with 97 ind./m2 (15.1%), and Heminerita japonica with 41 ind./m2 (6.3%). The climate change indicator species, Tetraclita japonca, appeared in 15 sites, and the endemic species, Ptilohyale bisaeta, appeared in some sites. Fusinus spectrum, which appears on the Red List as a Near Threatened (NT) species, the lowest level of extinction risk, appeared in Jodo. The macrobenthos of Wando and Jodo demonstrated the general characteristics of rocky shores in Korea. Based on the tides and substrate, the rocky shores revealed a vertical distribution trend where Nodilittorina radiata, Littorina brevicula, Chthamalus challengeri, and Reishia clavigera were dominant. Wando and Jodo exhibited similar habitat distribution patterns.

Restoration Model of Evergreen Broad-leaved forests in Warm Temperate Region(V) - Restoration Strategies of the Case Study Areas - (난대 기후대의 상록활엽수림 복원 모형(V) - 사례지의 복원전략 -)

  • 오구균;김용식
    • Korean Journal of Environment and Ecology
    • /
    • v.11 no.3
    • /
    • pp.352-365
    • /
    • 1997
  • As a serials of researches for the restoration model of evergreen broad-leaved forests, the restoration strategies of the case study areas were proposed. Restoration type of vegetation were classified into an improvement type and a reconstruction type and a reconstruction type for Wando(Island). Improvement type of restoration was suggested for Mokdo(Island). Quercus acuta community, Q. salicina community, Neolitsea sericea community, Castanopsis cuspidata var. sieboldii community, Machilus thunbergii community, Cinnamomum japonicum community, etc. were suggested as a restoration goal of vegetation for Sando(Island). Machlus thunvergii community was suggested as a restoration goal of vegetation for Mokdo(Island). Also the species restoration olan of the Wando(Island) was prepared for Quercus salicina of Fagaceae and Ostrya japonica of Betulaceae those which the natural distribution and population size were very limited. There was no species which needed for species restoration urgently at Mokdo(Island).

  • PDF

Effects of Transplantation on Selected Local Populations for Hizikia Cultivation (톳 양식에 있어서 지역종들의 이식효과)

  • 노경환;황은경;손철현
    • Journal of Aquaculture
    • /
    • v.13 no.2
    • /
    • pp.101-105
    • /
    • 2000
  • To select a suitable seed for aquaculture, four strains of Hizikia fusiformis, collected from Haenam, Wando, Yosu, Chungmu and Pusan, were cultured under similar conditions at Wando, southern coast of Korea from December, 1993 to July, 1994. A comparative study on the monthly growth rate of these plants indicated that the maximum growth was attained by Yosu strain in May but the others in June-July. At the harvest time in May, Yosu strain yielded a maximum of 15.8 kg/$m^2$ of culture rope, while that of Pusan a minimum of 1.5 kg/$m^2$.

  • PDF

A study on historical changes of landforms and habitat structures in the mid-stream of the Mangyeong River by weirs (보 설치로 인한 만경강 중류의 하천지형과 서식처 구조 변화에 관한 연구)

  • Choi, Mikyoung;Kim, Ji-sung;Ock, Giyoung;Jung, Kwansue
    • Journal of Korea Water Resources Association
    • /
    • v.52 no.spc2
    • /
    • pp.791-799
    • /
    • 2019
  • This study explained the historical changes in the habitat structures based on the aerial photographs (1948, 1967, 1973, 1989 and 2010) of the mid-stream reach of the Mangyeong River. The habitat structure was divided into landforms and aquatic habitats. The landform was classified into bare land, vegetated land, water surface, farmland and artificial land. The aquatic habitat was classified into natural riffle, artificial riffle, run, head wando, tail wando, mid wando, pond and chute channel. The ratio of bareland decreased, and water surface and vegetated land increased after the excavation in 1970s and since the construction of weir in 1980s. As historical changes of aquatic habitat, ratio of run decreased sharply while mid wando increased sharply. aquatic habitats such as head wando, tail wando, and pond located on bars decreased dramatically.

Stachyurus praecox (Stachyuraceae), first report in Korea (한국 미기록종 식물: 완도술꽃나무 (완도술꽃나무과))

  • OH, Chan-Jin;SHIN, Soon-Ho;CHO, Ji-Woong;KIM, Hyoun-Woo;HAN, Sang-Sub;KIM, Ji-Won;CHUNG, Jae-Min
    • Korean Journal of Plant Taxonomy
    • /
    • v.51 no.4
    • /
    • pp.372-377
    • /
    • 2021
  • We report a previously unrecorded woody species, Stachyurus praecox Siebold & Zucc. (Stachyuraceae), in Korea. This species is considered to be endemic to Japan. Stachyurus praecox was collected for the first time in an evergreen forest on an uninhabited island of Bongsun-ri, Saengil-myeon, Wando-gun, Jeollanam-do in Korea. The inflorescence of the species was racemose and pendulous on the axils of the previous year's branches. Flowers bloomed from March to April. They were functionally dioecy but morphologically hermaphrodite. This woody species was named 'Wan-do-sul-kkot-na-mu' in Korean based on the shape of its inflorescence. Morphological characteristics and illustrations of this woody species have been provided with a distribution map and photographs of the natural habitat.