• Journal of agriculture & life science
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• v.46 no.5
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• pp.11-23
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• 2012

This study was conducted to investigate the distribution of vascular plants in five islands of Jisimdo, Naedo, Yoondoldo, Songdo and Galdo in East Hallyeohaesang National Park. The Islands were surveyed from 2010 to 2011. The flora was classified to as: Jisimdo, 246 taxa; 85 families, 195 genus, 219 species, 3 subspecies, 24 varieties and 2 forma. Naedo, 143 taxa; 72 families, 127 genus, 131 species, 12 varieties. Yoondoldo, 84 taxa; 56 families, 73 genus, 219 species, 1 subspecies, 10 varieties. Songdo, 70 taxa; 33 families, 63 genus, 64 species, 6 varieties and Galdo, 93 taxa; 47 families, 84 genus, 84 species, 1 subspecies, 7 varieties, and 1 forma. Thus, a total of 380 taxa; 105 families, 272 genus, 334 species, 3 subspecies, 39 varieties and 4 forma were observed. A total of 8 and 6 taxa were found to be rare plants in surveyed areas and endemic to Korea, respectively. Distribution of floristic special plants in the surveyed area was divided into five classes (class I-V), 42 taxa; were in class I, 1 taxa; was in class II, 25 taxa; were in class III, 4 taxa; were in class IV and 4 taxa; were in class V. Total floristic special plants were 76 taxa.

• Korean Journal of Plant Taxonomy
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• v.50 no.4
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• pp.453-474
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• 2020

Here, we present an updated checklist based on voucher specimens of vascular plants for Gasan Mt. which is located in Chilgok-gun, Gyeongsangbuk-do, South Korea. The list includes 322 taxa in 212 genera and 81 families of vascular plants, of which 14 are endemic, six are rare plants, 48 are floristic target species, and 14 are considered naturalized in Korea. Based on voucher specimens, Gasan Mt. was the southern limit of Cimicifuga heracleifolia var. bifida Nakai and Iris odaesanensis Y. N. Lee on the Korean peninsula. Moreover, we confirmed a hybrid plant deriving from two Iris parents, I. minutoaurea Makino and I. odaesanensis, in a mountain fortress of Gasan Mt. We also present online databases including 325 voucher specimens deposited at the Korea Institute of Oriental Medicine (KIOM; http://oasis.kiom.re.kr/herblib). This study has great significance as the first floristic study of Korean plants sharing virtual specimens online.

• Journal of Forest and Environmental Science
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• v.29 no.1
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• pp.90-98
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• 2013

The purpose of this study was to understand the geographical and environmental distribution of wild animals in Baekdudaegan region using field survey and GIS data. Crucial factors were selected and analyzed to understand the distributional characteristics of wild animals (7 species in 6 families) and rare endemic plants (14 species in 11 families). These crucial factors include stand factors (forest type, DBH class, and crown density), soil factors (bed rock, soil texture, and organic matter), geographical factors (elevation, slope, aspect) and climatic factors (temperature, rain fall, humidity). Finally, 10 factors were selected by statistical analysis and categorized for analyzing geographical and environmental features. Four families such as Muridae, Sciuridae, Suidae and Talpidea in wild animal showed the similar habitat characteristics with the 10 factors.

• Journal of Wetlands Research
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• v.2 no.1
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• pp.11-17
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• 2000

The natural ecology of our coastal zone has been well preserved because of the designation of Han-Ryea national sea park. However, recently, it is being threatened by the frequent request of district regulation of national park and relaxation of green belt, etc. And also, with the reclamation of the foreshore by the development of industrial complex and tourism resource cultivation on a large scale, development pressure for natural coast is increasing. For that reason, preservation of the ecology, organized management and investigation is needed for the islands which scenery is beautiful and rare animals and plants inhabit. And also, it is worried that major habitats of migrants are diminishing because of the district regulation of national park, relaxation of green belt zone and construction of coastal streets. Therefore. on the basis of the through environmental impact assessment, only the business which are aimed at the preservation and restoration of the natural coast should be admitted and the act of eroding must be restricted.

• Journal of Ecology and Environment
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• v.29 no.2
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• pp.171-173
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• 2006

A species of moss (Musci) is observed on the Matanuska Glacier of Alaska in the middle of summer. The life cycle of the moss is perfectly observed. This is very rare and special because the environment is completely glacial and barren of plants. Matanuska is a gigantic glacier formed about 18,000 years ago in the Palmer region near Anchorage. It has a dimension of 27 miles in length and 4 miles in width. The glacier is located in the region between Anchorage and Mount McKinley. This huge glacier carved the Matanuska valley thousands of years ago. The mighty glacier also forms the Matanuska River. The summer weather is very changeable throughout the day: warm, cold, sunshiny, windy, cloudy, rainy, snowy, foggy, etc. The Arctic clouds move very quickly and create variable climates. So there are four seasons even in one day during the summer period of this region.

• Korean Journal of Environment and Ecology
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• v.14 no.4
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• pp.311-323
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• 2001

계룡산국립공원의 관속식물상을 조사한결과 111과 346속 509종 69변종 10품종 1교잡종 총 589종으로 밝혀졌다. 대상지역은 식물구계지리학적으로 한반도 온대중부지역에 속하나 굴피나무, 감태나무, 사람주나무, 나도밤나무, 자귀나무, 대팻집나무, 비목나무, 정금나무 등 온대남부계 수종이 많은 서식하는 특징을 보여주었다. 대상지역의 특징적인 식물군락이나 희소적 가치가 있는 식물종은 동학사 주변의 느티나무군락과 삼볼봉 등산로 주변의 구실사리, 바위손군락와 정상부 능선에 서식하고 있는 피나무 등으로 이들에 대해서는 지속적인 관심과 보전이 필요하다. 이번 조사에서 미국자리공, 개망초 등이 등산로 주변으로 다수 출현하고 있으므로 귀화식물종에 대한 모니터링도 지속적으로 이루어져야 할 것으로 판단되었다.

• Korean Journal of Pharmacognosy
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• v.38 no.1
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• pp.1-9
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• 2007

This study was conducted to investigate the native Phytolacca insularis in Ulleung Island for their distribution and ecological characteristics. P. insularis, called as "Sum-Ja-Ri-Gong", is very rare plant which is only restricted in Ulleung Island. It is a plant out of 217 endangered plant species designated by the Korea Forest Service (1996). The native sites were discovered several plants in the small communities at the area from 32m to 116m above the sea level in the seashore of Ulleung Island. The average vegetation height of herb layer in the native sites was 0.77m and average coverage percentage of vegetation layer was 75.56%. Average 11.89 species were emerged on a plot. P. insularis has a tendency to emerged with Galium spurium var. echinospermon and Artemisia lavandulaefolia community.

• Construction Engineering and Management
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• v.13 no.6
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• pp.41-45
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• 2012

Nowadays the Project Management is increasingly adapted into almost all the fields in business management processes among leading companies both in Korea and overseas. However its actual practices are rare to be found. Among the Project Life Cycle, this report covers the real cases of the PMBOK knowledge areas in NPP Architect Engineering. The areas of the Construction, Start-up and Operation will be exception of the cases. By way of analyzing the KEPCO ENC's Processes/Procedures/Systems and the ones in PMBOK Guide, this report will show the contents in the PMBOK Guide is rather practical than theoretical. Meanwhile, implications whether the conclusions of this report might be applied to other industries such as general construction, non-nuclear plants, etc. should be left behind to follow-up studies.

• Korean Journal of Organic Agriculture
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• v.13 no.4
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• pp.357-373
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• 2005

There is a controversy on developing or preserving Kwangduksan(Mt.) located in Cheonan and Asan. Kwangduksan has a grand scenery, many of cultural properties, and rare animals and plants like fireflies. So the citizens of Cheonan and Asan have recognized its cultural and ecological value as yet. In this study, an economic basis for preserving it was presented to prevent developing thoughtless for the environment. Preservation value of it was estimated about 44 billions by CVM. This result shows the environmental value of Kwangduksan is very great. If people feel importance of environmental resources more and more, this value of Kwangduksan will be greater and greater.

• Nuclear Engineering and Technology
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• v.41 no.10
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• pp.1235-1242
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• 2009

Probabilistic seismic hazard analysis (PSHA) is routinely conducted in the US for nuclear plants, for the determination of appropriate seismic design levels. These analyses incorporate uncertainties in earthquake characteristics in stable continental regions (where direct observations of large earthquakes are rare), in estimates of rock motions, in site effects on strong shaking, and in the damage potential of seismic shaking for engineered facilities. Performance goals related to the inelastic deformation of individual components, and related to overall seismic core damage frequency, are used to determine design levels. PSHA has the ability to quantify and document the important uncertainties that affect seismic design levels, and future work can be guided toward reducing those uncertainties.