• Korean Journal of Environmental Biology
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• v.19 no.2
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• pp.113-118
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• 2001

This study was carried out to provide basic data for establishment of Natural Ecology Center through vegetation research in Nodong valley, Pyungchanggun of Kangwondo. The vascular plants consisted of total 178 taxa such as 56 families, 121 genera, 152 species, 24 varieties and two forms. In the study area, we found some plants designated as protect plants by the Ministry of Environment such as Dryopteris crassirhizoma and Rodgersia podophylla that is a vulnerable species and Iris odaesanensis that is an endemic species. Communities by characteristic in species composition of Nodong valley forest were classified into Quercus mongolica - Acer pseudosieboldianum community as a natural forest community and Larix leptolepis and Pinus koraiensis community as artificial forest. The Quercus mongolica-Acer pseudosieboldianum community was further classified as Pinus densiflora subcommunity and Acer mono subcommunity. A protection program will be needed for Iris odaesanensis classified as an endemic species to make a Natural Ecology Center.

• Korean Journal of Environment and Ecology
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• v.12 no.3
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• pp.224-235
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• 1998

Floristic composition of Kyongpo Provincial Park area were investigated from June, 1997 to June, 1998. Vascular plants were composed of 87 families, 240 genera, 281 species, 51 varieties, and 7 formae, totaling 339 taxa. Among them, three taxa such as Vicia venosissima, Paulownia coreana, Aster ciliosa were Korean endemic species. Pteridophyta calculation(Pte-Q) was investigated, 0.61. A naturalized plants were 12 species, corresponding to 5.5％ of totaling 218 species in South Korea by Lee and Chon(1995). The dominant species could be represented by Pinus thunbergii and P. densiflora. And its stratification structure were composed as follows : Pinus thunbergii and P. densiflora in tree and subtree layer, Pinus thunbergii, P. densiflora. and Prunus sargentii in shrub layer, and Spodiopogon sibiricus, Festuca ovina, Melandryum firmum, Artemisia princeps, Rumex acetosella, Commelina communis and Plantago depressa in herb layer, respectively. But stratification structure of dominant species appeared very unstable in subtree and shrub layer.

• Korean Journal of Plant Taxonomy
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• v.41 no.2
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• pp.130-137
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• 2011

Pedicularis growing at Mt. Halla of Jeju Island is known as an endemic species of P. hallaisanensis Hurusawa. On the other hand, the plant is morphologically similar to P. amoena, P. spicata, and P. verticillata in gross morphology, so the taxonomic treatment of the taxon remains controversial. To clarify the taxonomic position of the plants, we examined external morphological characters and nuclear ribosomal DNA ITS sequences for P. hallaisanensis and its related species. The plants of Mt. Halla are clearly different from P. amoena and P. verticillata in the morphology of calyx lobes, the length of galea and lower lip, density of glandular hairs on plants, presences of the radical leaves after anthesis and molecular data. However, P. hallaisanensis is not clearly separated from P. spicata distributed in N. E. Asia on external morphological characters and DNA sequences of internal transcribed spacers. In this study, the morphological and molecular data suggested that P. hallaisanensis should be merged into the former species.

• Journal of Forest and Environmental Science
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• v.27 no.3
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• pp.169-181
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• 2011

The purpose of this study was to understand the geographical and environmental distribution of animals and plants in Baekdudaegan region using field survey and GIS data. Crucial factors were selected and analyzed to understand the distributional characteristics of wild animals (16 species in 5 orders) and rare endemic plants (20 species in 12 orders). These crucial factors include stand factor (forest type, DBH class, and crown density), soil factor (bed rock, soil texture, and organic matter), geographical factor (elevation, slope, aspect) and climatic factor (temperature, rain fall, humidity). Finally, ten crucial factors were selected by statistical analysis and categorized for analyzing geographical and environmental features. Three orders such as Rodentia, Carnivora, and Artiodactula in wild animal showed the similar habitat characteristics with the small diameter and the elevation range from 801 to 1,000m. The Hydropotes inermis of Artiodactyla and Rattus norvegicus of Rodentia were different in the type of orders, but they had the similar habitat characteristics with the coniferous forest and loam. On the other hand, four orders such as Tubiflorales, Liliales, Ericales, and Rhamnales in the rare and endemic plants were showed high occurrence rate in the organic matter between 4 and 6%. The Rodgersia podophylla of Rosales and Gastrodia elata Blume of Microspermae were different in the type of orders, but they had the similar habitat characteristics with the stand factor and soil factor.

• Journal of Environmental Science International
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• v.20 no.1
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• pp.1-23
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• 2011

This study was carried out to investigate the flora of uninhabited Island in the Deokjeok Archipelago. The vascular plants which were collected in 5 times (from Jun. 2009 to Apr. 2010) were identified as 350 taxa in total, including 89 families, 231 genera, 309 species, 5 subspecies, 31 varieties, and 5 forms. There were many useful plants such as 2 taxa of Korean endemics and 2 taxa of rare plants which were proposed by the Korea Forest Service. The specially determined plants which were categorized as 5 degrees in all by the Ministry of Environment appeared as 49 taxa; Degree V was one taxon; Senecio nemorensis and IV was one taxon; Apocynum lancifolium and III was 2 taxa; Stauntonia hexaphylla, Hylotelephium spectabile and I was 45 taxa; Machilus thunbergii, Neolitsea sericea, Hedera rhombea, etc. Based on the plants which were approval objects when transfer overseas were 5 taxa, and 21 taxa of evergreen plants were recorded in the investigated area. The naturalized plants were identified as 15 taxa, and their naturalization ratio were found to be 4.2% respectively.

• Journal of Forest and Environmental Science
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• v.19 no.1
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• pp.69-84
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• 2003

The study was carried out to investigate the flora and community classfication of forest vegetation in Mt. Yumyeong from March. 2002 to October. 2003. As a result of that. the vascular plants were 98 families, 331 genera, 570 species, 1 subspecies, 81 varieties, 4 formae, 2 hybrid, 658 taxa in all. Korean endemic plants were 10 families, 14 genera, 13 species, 2 variaties, 1 hybrid, 16 taxa in all; rare and endangered plants were 9 families, 10 genera, 11 species, 11 taxa in all: naturalized plants were 12 families, 22 genera, 28 species, 28 taxa in all. The forest vegetation was classified into 1 order, 1 alliance, 6 communities; Rhododendro - Quercetalia mongolicae (Kim, 1990) Lindero - Quercion mongolicae (Kim, 1990) A. Carex humiljs var. nana - Pinus densiflora Community B. Oplismenus undulatifoljus - Pinus koraiensis Community C. Fraxinius rhynchophylla - Quercus mongolica Community D. Cornus controversa - Quercus mongolica Community E. Quercus variabilis - Quercus mongolica Commnuty F. Lespedeza bicolor - Quercus mongolica Community.

• Korean Journal of Plant Resources
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• v.29 no.5
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• pp.604-619
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• 2016

This study is aimed at identifying the distribution of vascular plants growing at Byeollipsan(Mt.), Bongchunsan (Mt.) and Gucksoosan(Mt.) in Ganghwa isand. Field surveys were conducted for each season from March 2015 to October 2015. The flora of study area were found to be of 455 taxa, 93 families, 280 genus, 392 species, 4 subspecies, 53 varieties and 6 forma. Rare plants were found to be of 3 taxa. Among them, rare plant species consisted of endangered species (EN degree):1 (Thalictrum simlex var. brevipes Hara), vulnerable species (VU degree): 2 (Wikstroemia trichotoma (Thunb.) Makino, Scorzonera albicaulis Bunge), respectively. In all the surveyed areas, a total of 6 taxa (Clematis brachyura Maxim. etc.) were found to be endemic to Korea. The floristic special plants found in the surveyed areas were 1 taxa of grade Ⅴ, 4 taxa of grade Ⅳ and 8 taxa of grade Ⅲ, respectively. The naturalized plants were identified as 29 taxa and included Fallopia dumetorum (L.) Holub, Ambrosia artemisiifolia L., Aster pilosus Willd. etc..

• Korean Journal of Plant Taxonomy
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• v.48 no.1
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• pp.65-99
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• 2018

We investigated vascular plants of Aphaedo Island in Shinan-gun, Jeollanam-do, Korea. By referring to voucher specimens collected over the course of 28 days from May of 2011 to March of 2016, a total of 451 taxa were identified and grouped into 102 families, 294 genera, 413 species, 6 subspecies, 30 varieties, and 2 forms, of which 9 taxa were classified as endangered or rare, including Albizia kalkora, Salomonia oblongifolia, and Centranthera cochinchinensis var. lutea. A total of 59 taxa were identified as regional indicator plants. Six taxa were endemic to Korea, including Hepatica insularis, Indigofera koreana, and Lespedeza maritima. Three taxa (Rumex acetosella, Aster pilosus, and Hypochaeris radicata) among 52 naturalized taxa were ecosystem-disturbing plants as designated by the Ministry of the Environment. The results of preceding floristic research before and after the inauguration of the Aphaedaegyo (bridge) were used to analyze changes in the number of naturalized species on Aphaedo Island.

• Korean Journal of Environmental Biology
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• v.27 no.2
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• pp.216-229
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• 2009

The flora of vascular plants in the Geumgang area (Mt. Guryongsan, Mt. Jeonwolsan, Mt. Samasan, Mt. Yongmeorisan and Mt. Hamrasan) was investigated to suggest strategies for conservation. This study was performed from May 2007 to April 2008, with total 17 times. The Korean endemic species, legally protected species and species to threaten domestic ecosystem species to threaten were grasped on this study. The flora consists of 334 taxa, 86 families 246 genera 297 species 34 varieies and 3 forms in total results from 5 sites in this study. Korean endemic species were confirmed 8 taxa. No rare and endangered species were found in this study. The 2 taxa of the fourth grade of specially designated plants announced the Ministry of Environment were investigated and 8 taxa of the third grade were confirmed. In totally, 24 taxa that are specially designated plants announced the Ministry of Environment including the first and the second grade taxa. 25 taxa of alien naturalized plants were confirmed. The degree of destroy of forest vegetation and reduction of plant diversity in the midstream of Geumgang were in proceeding by construction of multifunctional administrative city and cultivation. It is needed to set up strategies for conservation forest vegetation in this study area.

• Korean Journal of Plant Resources
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• v.27 no.4
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• pp.293-308
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• 2014

This study was carried out to investigate the vascular plants in the construction site of the National DMZ Native Botanic Garden. The period of survey was from May 2012 to November 2013. Vascular plants based on voucher specimen were summarized as 313 taxa including 79 families, 211 genera, 272 species, 4 subspecies, 32 varieties, 4 forms and 1 hybrids. The rare plant species designated by Korea Forest Service were 8 taxa including Galium boreale L., Eleutherococcus senticosus (Rupr. & Maxim.) Maxim., Eranthis stellata Maxim. and Lloydia triflora (Ledeb.) Baker, etc. Endemic plant species were 4 taxa including Salix koriyanagi Kimura, Clematis trichotoma Nakai, Philadelphus schrenkii Rupr. and Cirsium setidens (Dunn) Nakai. Furthermore, 51 taxa were listed as specific plant species based on phytogeographical in the investigated area. The naturalized plants were recorded as 11 taxa, and their Naturalization Ratio and Urbanization Index were recorded as 3.51%, and 3.43%, respectively.