• Title/Summary/Keyword: RARE SPECIES

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A Study on the Flora Mt. Hyangro-Bong (향로봉지역(香爐峰地域)의 식물상(植物相) 연구(硏究))

  • Park, Wan-Geun;Yoo, Seok-In;Park, Kwang-Seo
    • Journal of Forest and Environmental Science
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    • v.15 no.1
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    • pp.44-64
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    • 1999
  • The flora of vascular plants investigated in Mt. Hyangro-Bong was 450 taxa belonging to 86 families, 254 genera, 393 species, 2 subspecies, 51 varieties, 4 formae. Among the investigated vascular plants, Korean endemic plants (Carex okamotoi, Salix koriyanagi, Clematis chisanensis, Aconitum pseudo-laeve var. erectum, Viola diamantiaca, Sanguisorba hakusanensis, Vicia venosissima, Patrinia saniculaefolia, Hanabusaya asiatica, H. asiatica for. alba etc.) were 23 taxa; rare and endangered plants(Disporum ovale, Lilium distichum, Trillium kamtschaticum, Gastrodia elata. Clematis chisanensis, Rodgersia podophylla, Rosa marretii, Viola diamantiaca, Syringa wolfii, Hanabusaya asiatica etc.) were 17 taxa; naturalized plants(Dactylis glomerata. Poa pratensis, Rumex acetosella, Gypsophila oldhamiana, Lepidium apetalum, Oenothera odorata, Aster pilosus, Carduus crispus, Erigeron annuus, Taraxacum officinale etc.) were 14 taxa.

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Distribution of Vascular Plants in Youngjongdo and Yongyudo (영종도와 용유도 일대의 식물상)

  • Lee, Hye-Jeong;Park, Su-Hyun;Ha, Sang-Gyo;Hwang, Hee-Suk;Chang, Kae-Sun;Lee, You-Mi
    • Korean Journal of Environment and Ecology
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    • v.26 no.6
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    • pp.839-867
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    • 2012
  • Vascular plant surveys in Iss. Youngjongdo and Yongyudo, Incheon were conducted 6 times from May to October 2009 and July 2011. The vascular plants inventoried during the surveys were 644 taxa in total; 11 formas, 73 varieties, 4 subspecies, 556 species, 352 genera and 98 families. Among them, 250 taxa were newly found from the survey areas, including Cnidium japonicum Miq., Argusia sibirica (L.) Dandy, Breea setosa (Willd.) Kitam., Dryopteris erythrosora (D. C. Eaton) Kuntze and Dryopteris nipponensis Koidzumi. In the case of dormancy form, hemicryptophytes were most abundant by 37.1%. Six taxa of Korean endemic plants and nine Korean rare plants were also newly recognized along with 45 taxa of notable plants of regional flora announced by the Ministry of Environment. The naturalized plants were 95 taxa, and the Urbanization Index of the survey areas was 29.6%.

The Resource Plants in Construct-Reserved Site of Ecological Forest, Chungcheongbuk-do, Korea (충청북도 생태숲 조성예정지의 자원식물상)

  • You Ju-Han;Cho Heung-Won;Jin Yeon-Hee;Yun Hee-Bin;Lee Gwi-Yong;Han Ju-Hwan;Lee Cheol-Hee
    • Korean Journal of Plant Resources
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    • v.18 no.3
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    • pp.390-402
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    • 2005
  • This study was carried out systematically to grasp the resource plants in construct-reserved site of ecological forest, Jecheon-si, Chungcheongbuk-do, Korea. This site was located at $37^{\circ}12'$ in latitude and $127^{\circ}57'$ in longitude and the period of survey was from March to October, 2004. The vascular plants were summarized as 371 taxa; 83 families, 238 genera, 324 species, 44 varieties and 3 forma. And in the results of survey on resource plants, we confirmed 178 taxa of ornamental plants$(47.98\%)$, 232 taxa of edible plants$(62.53\%)$, 257 taxa of medicinal plants$(69.27\%)$ and 154 taxa of other useful plants$(41.51\%)$. The rare and endangered plants designated by Korea Forest Service were 4 taxa; Eranthis stellata, Paeonia japonica, Viola albida and Scopolia japonica.

Distribution Characteristics of Vascular Plants in Oenarodo Island (Goheung, Jeollanam-do) (외나로도(전라남도 고흥군)의 관속식물 분포 특성)

  • Hwang, Hee-Suk;Jung, Su Young;Jang, Jeong Won;Yang, Jong Cheol;Chang, Kae Sun;Oh, Seung Hwan
    • Korean Journal of Plant Resources
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    • v.27 no.5
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    • pp.485-500
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    • 2014
  • This study was carried out to inventory the vascular plant flora in Oenarodo Island, Jeollanam-do, South Korea in 2011. The vascular plants collected from the survey sites consisted of 574 taxa in total; 7 forms, 62 varieties, 2 subspecies, 503 species, 342 genera and 117 families. Among them, 8 taxa of Korean rare plants were found distributed in the sites, including Peucedanum hakuunense Nakai, Cymbidium macrorrhizum Lindl. and Bupleurum falcatum L. 6 taxa of Korean endemic plants such as Hepatica insularis Nakai and Carex okamotoi Ohwi were collected. In addition 101 notable taxa designated by the Ministry of Environment were collected as well. 46 taxa of naturalized plants, such as Paspalum distichum var. indutum Shinners and Veronica hederaefolia L. were recognized widely distributed in the sites.

Vascular Plants Distributed in Mt. Danseok District, Gyeongju National Park (경주국립공원 단석산지구에 분포하는 관속식물상)

  • You, Ju Han;Kwon, Soon Young
    • Korean Journal of Plant Resources
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    • v.30 no.5
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    • pp.507-521
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    • 2017
  • This study was carried out to the vascular plants in Mt. Danseok (827 m) District, Gyeongju National Park and provide a basic data for the conservation and management of natural resources. The vascular plants were surveyed from May 2011 to October 2016. The flora on Mt. Danseok District was classified as follows. Based on voucher specimens, the flora of this site consisted of 97 families, 331 genera, 489 species, 4 subspecies, 48 varieties and 11 forms. The 11 taxa of rare plants and 14 taxa of Korean endemic plants were investigated. The specific plants by floristic region found in this site 50 taxa comprising 1 taxa of grade V, 5 taxa of grade VI, 8 taxa of grade III, 12 taxa of grade II and 24 taxa of grade I. The 37 taxa of naturalized plants and 2 taxa of invasive alien plants were investigated.

Flora and Conservation Plan of Gayasan National Park (가야산국립공원의 식물상과 보전방안)

  • You, Ju-Han;Jeon, Se-Kun;Seol, Jeong-Wook
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.1
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    • pp.109-130
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    • 2013
  • This study is to offer the raw data for conservation and restoration of national park by surveying and analysing the vascular plants in the Gayasan national park. The flora were summarized as 102 families, 328 genera, 469 species, 4 subspecies, 59 varieties and 9 forms. The endangered plants designated by Ministry of Environment were 2 taxa; Pedicularis hallaisanensis Hurus. and Gymnadenia conopsea for. albiflora Y.N.Lee. The rare plants designated by Korea Forest Service were 13 taxa; Crypsinus hastatus (Thunb.) Copel., Ligusticum tachiroei (Franch. & Sav.) M. Hiroe & Constance, Primula modesta var. fauriae (Franch.) Takeda, Lilium distichum Nakai ex Kamibay and so forth. The korean endemic plants were 15 taxa; Betula ermanii Cham., Carpinus laxiflora (Siebold & Zucc.) Blume, Stewartia pseudocamellia Maxim., Galium koreanum (Nakai) Nakai, Heloniopsis koreana Fuse, N.S. Lee & M.N. Tamura and so forth. The specific plants by floristic region were 66 taxa; Betula chinensis Maxim., Spiraea fritschiana Schneid., Vaccinium hirtum var. koreanum (Nakai) Kitam., Cimicifuga heracleifolia Kom., Adoxa moschatellina L. and so forth. The plants with approval for delivering oversea were 22 taxa; Salix hallaisanensis H.L$\acute{e}$v., Sanguisorba argutidens Nakai, Viola albida Palib., Weigela subsessilis (Nakai) L.H.Bailey and so forth. The naturalized plants were 30 taxa; Chenopodium album L., Lepidium apetalum Willd., Trifolium pratense L., Bidens frondosa L., Helianthus tuberosus L. and so forth.

The Vascular Plants in Mt. Munsu(Gyeonggi-do) (문수산(경기도)의 관속식물상)

  • Kim, Jung-Hyun;Nam, Gi-Heum;Yoon, Chang-Young;Lee, Byoung-Yoon
    • Journal of Environmental Science International
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    • v.19 no.4
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    • pp.459-481
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    • 2010
  • This study was carried out to investigate the vascular flora of Mt. Munsu. The vascular plants collected in 13 times(from Mar. to Oct. 2009) were identified as 511 taxa in total, including 113 families, 332 genera, 445 species, 5 subspecies, 46 varieties, 5 forms. Among them, 6 taxa of the Korea Forest Service-designated rare & endangered plants and the Korean endemic plants were identified as 2 taxa. Based on the list of approved for delivering overseas of plants, 6 taxa were recorded in the investigated area. The Ministry of Environment-designated plants, which should be protected by the wildlife protection law, were identified as 2 taxa and 39 taxa of specially designated plants by the Ministry of Environment. The naturalized plants were identified as 53 taxa, and their naturalization ratio and urban index were found to be 10,3%, and 18.5% respectively. There existed many kinds of plants resources having conservational value like Ranunculus trichophyllus var. kadzusensis, Jeffersonia dubia etc, in this area, but there remains a fear of nature destruction's acceleration due to indiscriminate human development and access of a lot of visitors, so it is judged that there should be a management plan, such as a limit on the number of visitors or rest-year-system for restoration of nature.

The Basic Study for Developing Plant Ecological Indices of Sacheon-si, Gyeongsangnam-do (경상남도 사천시의 식물생태지수 개발을 위한 기초연구)

  • Oh, Hyun-Kyung;You, Ju-Han
    • Journal of Environmental Impact Assessment
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    • v.21 no.4
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    • pp.509-523
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    • 2012
  • This basic study is to present the methods and raw data for carrying out to objectively assess an ecosystem by developing the plant ecological indices. The results are as follows. The plant ecological indices were 7 units including RI (Rare Index), EI (Endemic Index), SI (Specific Index), NI (Naturalized Index), UI (Urbanized Index), Pte-Q (Pteridophyta Index) and HI (Halophytes Index). The vascular plants in Mt. Waryong, Mt. Bongmyeong and Bito island were summarized as 471 taxa including 104 families, 294 genera, 419 species, 3 subspecies, 41 varieties and 8 forms. We surveyed 5 taxa of rare plants, 7 taxa of endemic plants, 38 taxa of specific plants by floristic region, 40 taxa of naturalized plants, 1 taxa of invasive alien plant, 19 taxa of pteridophyta and 14 taxa of halophytes. Bito island had the highest RI was 1.2%. Mt. Bongmyeong was 1.4% higher than other sites. If the SI of 2.9% was the highest in Bito island. Bito island was the highest NI, and the UI was the hightest in Mt. Waryong. Mt. Bongmyeong was the lowest NI and UI. In Mt. Waryong and Bito island, the highest DI was 9.1%. The Pte-Q of Mt. Waryong was 1.3 higher than the other sites. Bito island, the highest HI was 8.1%. Overall, 1.5% of RI, 1.9% of EI, 2.3% of SI, 8.5% of NI, 14.3% of UI, 9.1% of DI, 1.0 of Pte-Q and 3.0% were analyzed with HI.

Management Plan and Vascular Plants of the Hwarang District in Gyeongju National Park (경주국립공원 화랑지구의 관속식물상과 관리방안)

  • You, Ju-Han;Mun, Sung-Ju;Lee, Woo-Sung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.14 no.5
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    • pp.17-35
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    • 2011
  • The purpose of this study is to offer the raw data for management and conservation of national park by systematic and objective surveying and analysing the flora distributed in the Hwarang district, Gyeongju national park. The results are as follows. The vascular plants in this site were summarized as 396 taxa: 95 families, 272 genera, 351 species, 2 subspecies, 38 varieties and 5 forma. The rare plants designated by Korea Forest Service were 5 taxa: Exochorda serratifolia S.Moore, Potentilla discolor Bunge, Prunus yedoensis Matsum, Lysimachia coreana Nakai and Inula salicina var. asiatica Kitam.. The korean endemic plants were 6 taxa: Populus tomentiglandulosa T.B.Lee, Clematis trichotoma Nakai, Lespedeza maritima Nakai, Lysimachia coreana Nakai, Forsythia koreana (Rehder) Nakai and Weigela subsessilis (Nakai) L.H.Bailey. The specific plants by floristic region were 30 taxa: Asplenium sarelii Hk., Salix chaenomeloides Kimura, Lysimachia barystachys Bunge, Achillea alpina L., Celtis aurantiaca Nakai, Vitex negundo var. incisa (Lam.) C.B.Clarke and so forth. The plants with approval for delivering oversea were 6 taxa: Clematis trichotoma Nakai, Exochorda serratifolia S.Moore, Glycine soja Siebold & Zucc., Lespedeza maritima Nakai, Lysimachia coreana Nakai and Weigela subsessilis (Nakai) L.H.Bailey. The naturalized plants were 49 taxa: Bilderdykia dumetora (L.) Holub, Descurainia pinnata Britton, Oxalis corymbosa DC., Bidens frondosa L., Panicum dichotomiflorum Michx. and so forth. The invasive alien plants were 2 taxa: Ambrosia artemisiifolia L. and Aster pilosus Willd. In future, if we will survey the flora of whole Gyeongju national park, we will offer the help to establishing the conservation plan of ecosystem in Gyeongju national park.

Floristic Study of Gageodo in Korea (가거도의 관속식물상)

  • Yang, Sun-Gyu;Jang, Chang-Seok;Jang, Hyun-Do;Lee, Ro-Young;Park, Min-Su;Kim, Ki-Hong;Oh, Byoung-Un
    • Korean Journal of Plant Resources
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    • v.26 no.5
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    • pp.597-612
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    • 2013
  • The flora of Is. Gageodo (N $34^{\circ}02^{\prime}{\sim}34^{\circ}05^{\prime}$, E $125^{\circ}05^{\prime}{\sim}125^{\circ}08^{\prime}$) in Sinangun (Province Jeollanamdo) was surveyed from April 2010 to October 2011. The vascular plants from the results of 23 field surveys were revealed as 385 taxa; in total 98 families, 258 genera, 348 species, three subspecies, 31 varieties and four forms. Fifty taxa were the first records in this region. The plants in various categories were discovered in this study. The number of Korean endemic plants were 7 taxa, and 8 taxa designated by Korean Forest Service as rare plants were investigated in this region. The plants above the third degree among the floristic regional indicator plants designated by Korean Ministry of Environment were 30 taxa. In addition, 28 taxa of the naturalized plants were recorded.