• Title/Summary/Keyword: Korean Rare plants

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Vegetation Sectional View and Flora in the Sinpyeong Stream (Imsil), Churyeong Stream (Jeongeup) (신평천(임실), 추령천(정읍) 일대의 식물상 및 식생 단면도)

  • Oh, Hyun-Kyung;Beon, Mu-Sup
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.14 no.2
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    • pp.59-81
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    • 2011
  • The flora of the Sinpyeong and Churyeong stream were listed 324 taxa; 87 families, 227 genera, 289 species, 1 subspecies, 31 varieties and 3 forms. The Sinpyeong stream were 249 taxa and Churyeong stream were 221 taxa. Based on the rare plants (IUCN) by the Korea Forest Service and Korea National Arboretum were recorded; Penthorum chinense (Crassulaceae), etc. and endemic plants, 6 taxa; Weigela subsessilis (Caprifoliaceae), Lycoris flavescens (Amarylidaceae), etc. Based on the specific plants by floral region were total 12 taxa (3.7% of all 324 taxa of flora); Monochoria korsakowi (Pontederiaceae), etc. in class III. 10 taxa (Salix glandulosa (Salicaceae), Ulmus parvifolia (Ulmaceae), Impatiens noli-tangere (Balsaminaceae), Grewia biloba var. parviflora (Tiliaceae), Nymphoides peltata (Gentianaceae), Actinostemma lobatum (Cucurbitaceae), Cirsium pendulum (Compositae), Microstegium japonicum (Gramineae), etc.) in class I. Based on the naturalized plants, 51 taxa and ecosystem disturbing wild plants, 6 taxa (Rumex acetosella, Sicyos angulatus, Aster pilosus, Ambrosia artemisiaefolia, Hypochaeris radicata, Paspalum distichum var. distichum) and naturalization rate was 15.7% of all 324 taxa of flora, urbanization index was 18.8% of all 271 taxa of naturalized plants. Based on the hydrophytes, 23 taxa and emergent hydrophytes were 17 taxa, floating-leaved hydrophytes were 3 taxa, submergent hydrophytes were 2 taxa, free-floating hydrophytes was Spirodela polyrhiza.

Vascular Plants Distributed in Jangseong Healing Forest (장성 치유의 숲에 분포하는 관속식물상)

  • Oh, Hyun-Kyung;Jin, Xin-Mei;You, Ju-Han
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.22 no.2
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    • pp.31-48
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    • 2019
  • The purpose of this study is to present the basic data for establishing the plan of usage and management of healing forest by surveying and analysing the vascular plants distributed in Jangseong Healing Forest. The numbers of vascular plants were summarized as 338 taxa including 85 families, 211 genera, 294 species, 3 subspecies, 33 varieties and 8 forms. In the result of life form, hemicryptophytes and geophytes were the most common and hydrophytes were the least. The rare plants were 5 taxa including Abies koreana Wilson(planted), Thuja orientalis L.(planted), Scutellaria insignis Nakai, Tricyrtis macropoda Miq. and Arisaema heterophyllum Blume. The Korean endemic plants were 12 taxa including Philadelphus schrenkii Rupr., Indigofera koreana Ohwi, Lycoris flavescens M.Y.Kim & S.T.Lee and so forth. The specific plants by floristic region were 28 taxa including 2 taxa of grade IV, 3 taxa of grade III, 7 taxa of grade II and 16 taxa of grade I. The naturalized plants were 20 taxa including Fallopia convolvulus (L.) $A.L{\ddot{o}}ve$, Ailanthus altissima (Mill.) Swingle, Veronica arvensis L., Poa pratensis L. and so forth. The invasive alien plants were Rumex acetocella L. and Ambrosia artemisiifolia L..

Practical Plan and Vascular Plants Around Construct-Reserved Site of Ecological Forest in Baekdudaegan (백두대간 생태숲 조성예정지의 관속식물상과 활용방안)

  • You, Ju-Han;Ra, Jung-Hwa;Cho, Hyun-Ju;Ku, Ji-Na
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.12 no.5
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    • pp.42-58
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    • 2009
  • This study was carried out to survey the vascular plants of the construct-reserved site of ecological forest in Kohang-ri, Sangri-myeon, Yecheon-gun, Gyeongsangbuk-do, Korea. The results are as follows. The vascular plants in this site were recorded as 392 taxa; 85 families, 254 genera, 341 species, 45 varieties and 6 forma. The Korean endemic plants were 5 taxa; Salix hallaisanensis, Clematis trichotoma, Chrysosplenium barbatum, Philadelphus schrenckii and Weigela subsessilis. The rare plants designated by Korea Forest Service were 2 taxa; Iris ensata var. spontanea and Aristolochia contorta. The naturalized plants were 25 taxa; Bromus tectorum, Dactylis glomerata, Panicum dichotomiflorum, Bilderdykia dumetora and so forth. In the results of analysis by floristic region, the specific plants were summarized as 31 taxa; Matteuccia struthiopteris, Oxalis obtriangulata, Betula davurica, Cimicifuga heracleifolia and so forth. The plants with approval for delivering oversea were 4 taxa; Salix hallaisanensis, Aristolochia controrta, Clematis trichotoma and Chrysosplenium barbatum. The plant resources were 186 taxa of ornamental plant, 241 taxa of edible plant, 274 taxa of medicinal plant and 202 taxa of others.

Vascular Plants of Construct-Reserved Site of Ecological Stream, Sohyeoncheon in Gyeongju-si (경주시 생태하천 예정지인 소현천의 관속식물상)

  • You, Ju-Han
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.5
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    • pp.61-79
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    • 2018
  • The purpose of this study is to investigate the flora of Sohyeoncheon which is planned for ecological restoration and river maintenance from upstream to downstream, and also to collect the ecological data to cope with the change of the ecosystem of Sohyeoncheon. The numbers of vascular plants were summarized as 336 taxa including 82 families, 233 genera, 298 species, 1 subspecies, 33 varieties and 4 forms. The rare plants were 3 taxa including Aristolochia contorta Bunge, Prunus yedoensis Matsum.(planting) and Koelreuteria paniculata Laxmann. The Korean endemic plants were 4 taxa including Populus tomentiglandulosa T.B.Lee(planting), Lespedeza maritima Nakai, Forsythia koreana (Rehder) Nakai(planting) and Weigela subsessilis (Nakai) L.H.Bailey. The specific plants by floristic region were 15 taxa including 1 taxon of grade V, grade IV and grade II each, 4 taxa of grade III and 8 taxa of grade I. The naturalized plants were 60 taxa and the invasive alien plants were 3 taxa. The results of analysis by vertical structures showed that naturalized plants included 31 taxa of upstream, 53 taxa of midstream and 38 taxa of downstream. An analysis of crossing structures showed that 2 taxa of water channel, 3 taxa of low waterside, 41 taxa of high waterside and 48 taxa of bank.

Vascular Plants of 4 Sections in Gangwon-do, Baekdudaegan Mountains - Focused on Mt. Odaesan section, Daegwallyeong~Mt. Seokbyeongsan section, Mt. Cheongoksan~Mt. Deokhangsan section and Geumdaebong~Mt. Taebaeksan section - (백두대간 강원도 4개 권역의 관속식물상 - 오대산, 대관령~석병산, 청옥산~덕항산, 금대봉~태백산 권역을 중심으로-)

  • Oh, Hyun-Kyung;You, Ju-Han
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.4
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    • pp.43-63
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    • 2018
  • The purpose of this study is to investigate and analyze the vascular plants in the Baekdudaegan Mountains and to provide the basic data necessary for future ecosystem conservation measures. The numbers of vascular plants were summarized as 699 taxa including 98 families, 338 genera, 598 species, 4 subspecies, 80 varieties, and 17 forms. There were 427 taxa in A-section, 451 taxa in B-section, 361 taxa in C-section, and 455 taxa in D-section. The rare plants were 37 taxa including 2 taxa of the CR, EN, and DD each, 12 taxa of the VU, and 19 taxa of the LC. The Korean endemic plants were 30 taxa including Salix koriyanagi Kimura, Hanabusaya asiatica (Nakai) Nakai, Carex okamotoi Ohwi, and so forth. The northern plants were 41 taxa including Equisetum hyemale L., Anemone reflexa Steph. et Willd., Symplocarpus renifolius Schott ex Miq., and so forth. The naturalized plants were 33 taxa including Fallopia dumetorum (L.) Holub, Coreopsis lanceolata L., Poa pratensis L., and so forth. The invasive alien plants were 3 taxa including Rumex acetocella L., Ambrosia artemisiifolia L., and Aster pilosus Willd.

Management Plan and Vascular Plants in the Major Sites of Yangsan-si, Gyeongsangnam-do - Focusing on Mt. Cheontae, Nakdong River Wetland, Beopki Catchment, Yangsan Stream and Mt. Cheonseong - (경상남도 양산시 주요지역의 관속식물상과 관리방안 - 천태산, 낙동강습지, 법기수원지, 양산천, 천성산을 중심으로 -)

  • Oh, Hyun-Kyung;You, Ju-Han
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.15 no.2
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    • pp.85-102
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    • 2012
  • The purpose of this study is to offer the raw data for conserving the biodiversity of urban ecosystem by objective surveying and analysing the vascular plants distributed in major sites of Yangsan-si, Gyeongsangnam-do. The results are as follows. The numbers of vascular plants were summarized as 522 taxa including 110 families, 314 genera, 459 species, 4 subspecies, 46 varieties and 13 forms. The rare plants were 5 taxa including Aristolochia contorta, Drosera rotundifolia, Potentilla discolor, Viola albida and Hydrocharis dubia. The endemic plants were 13 taxa including Salix koriyanagi, Carpinus laxiflora, Stewartia pseudocamellia, Weigela subsessilis and so forth. The specific plants by floristic region were 30 taxa including Caltha palustris, Caryopteris incana, Ilex macropoda, Monochoria korsakowii and so forth. The naturalized plants were 44 taxa including Phytolacca americana, Lepidium virginicum, Solanum americanum, Aster subulatus var. sandwicensis, Panicum dichotomiflorum and so forth. The invasive alien plants were 5 taxa including Sicyos angulatus, Ambrosia artemisiifolia, Ambrosia trifida, Aster pilosus and Paspalum distichum.

Vascular Plants Distributed in Bukcheon Stream, Urban Stream in Gyeongju-si (경주시의 도시하천인 북천에 분포하는 관속식물상)

  • You, Ju-Han
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.23 no.6
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    • pp.87-107
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    • 2020
  • The purpose of this study is to present the basic data for maintenance and management of river ecosystem by surveying and analysing the kinds and their characteristics of vascular plants in Bukcheon stream, Gyeongju-si, South Korea. The numbers of vascular plants were summarized as 428 taxa including 92 families, 265 genera, 3 subspecies, 24 varieties, 6 forms, 5 hybrids and 5 cultivars. Among the identified taxa, there were 90 planted species. The endangered wild species was Cicuta virosa, and the rare plants were 5 taxa including Prunus × yedoensis, Juniperus chinensis L. var. sargentii and so on. The Korean endemic plants were 5 taxa Populus × tomentiglandulosa, Salix koriyanagi, Lespedeza maritima, Forsythia koreana and Aster pseudoglehni. The specific plants by floristic region were 26 taxa including 2 taxa of grade V, 3 taxa of grade IV, 2 taxa of grade III, 8 taxa of grade II and 11 taxa of grade I. The naturalized plants were 81 taxa including Euphorbia maculata, Erigeron strigosus, Vulpia myuros and so on. The invasive alien plants were 7 taxa including Humulus scandens, Rumex acetosella, Ambrosia artemisiifolia, Ambrosia trifida, Lactuca seriola, Symphyotrichum pilosum and Paspalum distichum.

Conservation Management Methods and Vascular Plants of the Trail from Jangansan to Palgongsan, Jangsu, Jeonbuk (장안산과 팔공산 구간(전북 장수)의 식물상 및 보전관리방안)

  • Oh, Hyun-Kyung;Han, Yun-Hee;Park, Kyung-Uk
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.1
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    • pp.227-244
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    • 2013
  • The vascular plants in the trail from Jangansan to Palgongsan were listed 389 taxa (8.0% of all 4,881 taxa of Korean vascular plants); 84 families, 226 genera, 325 species, 1 subspecies, 55 varieties and 8 forms. Furthermore, hemicryptophytes (H) were 110 taxa (28.3%), geophytes (G) were 77 taxa (19.8%), megaphanerophytes (MM) were 48 taxa (12.3%), nanophanerophytes (N) were 47 taxa (12.1%) showed high proportional ratio in life form. So, resource plants of 237 taxa of edible (60.9%), 278 taxa of medicinal (71.5%), 229 taxa of ornamental (58.9%) and 178 taxa of the others (45.8%). Based on the list of rare plants, 7 taxa (1.8% of all 389 taxa of flora and 1.2% of all 571 taxa of rare plants); Paeonia japonica (VU), Viola albida, Viola diamantica, Lilium distichum, Disporum ovale, Tricyrtis dilatata, Iris ensata var. spontanea (LC), etc. Based on the list of endemic plants, 7 taxa (1.8% of all 389 taxa of flora and 2.1% of all 328 taxa of endemic plants); Salix koriyanagi, Aconitum pseudolaeve var. erectum, Thalictrum actaefolium var. brevistylum, Philadelphus schrenckii, Asperula lasiantha, Weigela subsessilis, Carex okamotoi, etc. Based on the list of specific plants, 46 taxa (11.8% of all 389 taxa of flora and 4.3% of all 1,071 taxa of specific plants); 2 taxa (Wisteria floribunda for. floribunda, Cardamine yezoensis, etc.) in class IV, 6 taxa (Acer palmatum, Ulmus davidiana, etc.) in class III, 14 taxa (Ligularia fischeri, Cymopterus melanotilingia, etc.) in class II, 24 taxa (Ilex macropoda, Fraxinus mandshurica, etc.) in class I. Based on the list of naturalized plants, 6 families, 16 genera, 18 taxa (Phytolacca americana, Robinia pseudoacacia, Oenothera odorata, Erechtites hieracifolia, Festuca arundinacea, etc.) and invasive alien plants were 3 taxa; Rumex acetocella, Ambrosia artemisiifolia, Aster pilosus. Naturalization rate (NR) was 4.6% of all 389 taxa of vascular plants and urbanization index (UI) was 5.6% of all 321 taxa of naturalized plants.

Vascular Plants of Major Sites in Bukhansan National Park -A Case Study on Bukhansan Dulegil, Jingwan-dong Wetland, Bukhan-dong Cheolgeoji- (북한산국립공원 주요지역의 관속식물상 -북한산 둘레길, 진관내동 습지, 북한동 철거지를 대상으로-)

  • Oh, Hyun-Kyung;Han, Yun-Hee;Cho, Woo
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.15 no.1
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    • pp.35-51
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    • 2012
  • The vascular plants in Bukhansan Dulegil, Jingwan-dong Wetland and Bukhan-dong Cheolgeoji were listed 432 taxa (8.9% of all 4,881 taxa of vascular plants); 95 families, 274 genera, 345 species, 2 subspecies, 69 varieties and 16 forms. Divided into woody plants were 145 taxa (33.6%) and herbaceous plants were 287 taxa (66.4%). The Bukhansan Dulegil were listed (Myeongsang-gil 159 taxa, Huingureum-gil 227 taxa, Wooyiryeong-gil 216 taxa, Banghakdong-gil 139 taxa, Boru-gil 199 taxa), Jingwan-dong Wetland were listed 147 taxa and Bukhan-dong Cheolgeoji were listed 129 taxa. Based on the list of rare plants by Korea Forest Service and Korea National Arboretum were Viola albida Palibin (Violaceae), Iris minutiaurea Makino (Iridaceae) and Korea National Arboretum were endemic plants, Philadelphus schrenkii Rupr. var. schrenkii (Saxifragaceae), Weigela subsessilis L.H. Bailey (Caprifoliaceae). Based on the list of floristic regional indicator plants by Korean Ministry of Environment were total 22 taxa; Wisteria floribunda DC. for. floribunda in class IV, 3 taxa (Betula davurica Pall., Mukdenia rossii Koidz., Glechoma grandis Kuprian., etc.) in class III, 5 taxa (Acer triflorum Kom., Viola orientalis W. Becker, Heloniopsis koreana Fuse & Al., etc.) in class II and 13 taxa (Camptosorus sibiricus Rupr., Clematis patens C. Morren & Decne., Cirsium pendulum Fisch. ex DC., etc.) in class I. Based on the list of naturalized plants, 16 families, 35 genera, 37 species, 3 varieties, 1 form, total 41 taxa (Rumex crispus L., Abutilon theophrasti Medicus, Panicum dichotomiflorum Michx. etc.), naturalization rate was 9.5% of all 432 taxa of vascular plants and urbanization index was 13.3% of all 309 taxa of naturalized plants. Ecosystem disturbing wild plants were 5 taxa; Rumex acetocella L., Ambrosia artemisiifolia L., Ambrosia trifida L. var. trifida, Eupatorium rugosum Houtt., Aster pilosus Willd.