• Journal of the Korean Society of Food Culture
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• v.13 no.3
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• pp.153-158
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• 1998

Ka Sa Hyeob, who wrote ${\ulcorner}Chea\;Mihn\;Yho\;Sul{\lrcorner}$, lived in the times of Book-Wi (A.D.386-535) and his birthplace was San-Dong Peninsula. If the Back-Jae dynasty governed San-Dong Peninsula during A.D. 285-500, Jeo(Kimchi) of ${\ulcorner}Chea\;Mihn\;Yho\;Sul{\lrcorner}$ should be investigated as Back-Jae's Kimchi, beause it accorded with Ka Sa Hyeob's time of existence.

• Journal of the Korean Society of Food Culture
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• v.13 no.2
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• pp.135-139
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• 1998

Ka Sa Hyeob, who wrote ${\ulcorner}Chea\;Mihn\;Yho\;Sul{\lrcorner}$, lived in the times of Book-Wi (A.D. 386-535) and his birthplace was San-Dong Peninsula. If the Back-Jae dynasty governed San-Dong Peninsula during A.D. 285-500, Jeo(Kimchi) of ${\ulcorner}Chea\;Mihn\;Yho\;Sul{\lrcorner}$ should be investigated as Back-Jae's Kimchi, because it accorded with Ka Sa Hyeob's time of existence.

• Korean Journal of Plant Taxonomy
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• v.45 no.1
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• pp.72-95
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• 2015

In order to illustrate the flora of vascular plants distributed in the area of Mt. Hambaek-san and its neighboring mountains, the authors collected vascular plants intensively on Mt. Hambaek-san (1,573 m), Mt. Geumdae-bong (1,418 m) and Mt. Daedeok-san (1,307 m) from April of 2012 to August of 2014. All of them consisted of 90 families, 310 genera, 532 species, 4 subspecies, 73 varieties and 13 forms, with a total of 622 taxa. The total number of vascular plants in the investigated area was 808 taxa (17.55% of all vascular plants in Korea) with the addition of voucher specimens from previous investigations. Among the collected plants, endemic ones were 21 taxa, rare and endangered ones 26 taxa, naturalized ones 30 taxa, useful ones 464 taxa, and floristically specific ones of Korean floristic zones 62 taxa except for species of the first and second grade. Among the floristic zones of the Korean Peninsula, this investigated area showed the typical vegetation of a temperate middle province into which more northern elements than southern elements flowed.

• Proceedings of the KSR Conference
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• 1999.05a
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• pp.41-51
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• 1999

Trade between Korea and China was 372million dollars accounting for 1.56% of total in 1988 and has been increased to 23,689 million dollars occupying 7% in 1997, which implies 32.2% increase on average per year. This trend will continue dramatically and consistently as China's open policy toward the world accelerates and korean companies advance into chinese market. The main trade routes are with marine transportation between korean west sea area and chinese San-Dong peninsula around east sea. However, due to the increasing traffic congestion on main roads connecting harbors and main consumer cities and capacity problem in west sea harbor areas, the logistics cost have been increased resulting in losing competitiveness of freight trade. Therefore, these road-oriented inland transportation means need to be changed to rail transport system to reduce congestion and to conserve natural environment. To achieve this scheme, efficient intermodal transportation system connecting road and rail should be constructed. These combined system will ensure timely delivery of goods and consequently the customers would make proper transportation schedule for the import/export goods in advance. Especially, combined transportation of Railroad and train ferry would cope with the logistics problem and this system would be efficient means for trade with not only China but further with many adjacent countries in central asia such as Kazakhstan and Uzbekistan

• Korean Journal of Plant Taxonomy
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• v.46 no.1
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• pp.117-123
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• 2016

Lycopus charkeviczii Prob. (Lamiaceae Martinov) is found in all provinces of the Korean Peninsula, excluding Jeju-do. This species is closely related to L. lucidus Turcz. ex Benth., having such characters as persistent calyx of which the length is longer than the nutlets, and narrowly lanceolate to oblong-lanceolate leaves. However, it is distinguished from L. lucidus by its parted calyx and its smooth or rarely glandular nutlets with an irregularly toothed apex. This taxon was named 'San-swip-ssa-ri' in Korean based on its habitat. We provide a description, illustrations, photographs, and a key of related taxa in Korea.

• The Journal of the Petrological Society of Korea
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• v.11 no.3_4
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• pp.103-120
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• 2002

In the Baekdong-Hongseong area, the southwestern part of the Gyeonggi Massif in Korea, ultramafic rocks occur as lenses within Precambrian granitic gneiss. At Baekdong area, ultramafic lens contains metabasite boudin which had undergone at least three stages of metamorphisms. The mineral assemblage on the first stage, Garnet+Sodic Augite+Hornblende+Plagioclase+Titanite, is recognized from the inclusions in garnet. The second stage is represented by the assemblage in matrix, Garnet+ Augite+Hornblende+Plagioclase, while the third stage is identified by the Hornblende+Plagjoclase $\pm$ Garnet assemblage in the symplectite formed around garnet. The P-T conditions of the first and the third stages are $690-780^{\circ}C$, 11.8-15.9 kb and $490-610^{\circ}C$, 4.0-6.3 kb, respectively. These data indicate that metabasite in Baekdong area had experienced a retrouade P-T path from the eclogite(EG) - high-pressure granulite (HG)-amphibolite (AM) transitional facies to the AM through HG-AM transitional facies. The core and rim of garnet in country granitic gneiss give $605-815^{\circ}C$, 10.7-16.0 kb and $575-680^{\circ}C$, 5.4-7.0 kb, respectively, indicating that the retrograde P-T path of granitic gneiss is similar to that of metabasite. Trace element data reveals that the tectonic setting of metabasite is island uc. The general geology, the metamorphic evolution, the mineral chemistry and the tectonic setting of Baekdong area indicate that the Baekdong-Hongseong area in Korea is a possible extension of the Sulu collision Belt in China. On the other hand, the Sm-Nd whole rock-garnet isochron ages of metabasites are 268.7-297.9 Ma which are older than the ages of UHP metamorphism (208-245 Ma) in the Dabie-Sulu Collision Belt. The older metamorphic ages suggest that collision between Sino-Korea and Yangtz plates may have occurred earlier in Korean Peninsula than China.

• Korean Journal of Plant Taxonomy
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• v.41 no.2
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• pp.144-155
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• 2011

The infraspecific taxa of Adonis amurensis Regel et Radde are currently known to include one subspecies (subsp. nanus Y. Lee), two varieties (var. ramosa Makino, and var. dissectipetalis Y. Lee) and two forms (for. argentatus Y. Lee, and for. viridescensicalyx Y. Lee). Among them, the remaining three taxa except for subsp. nanus and var. dissectipetalis are unified with A. amurensis. Therefore, we examined the morphological characteristics and geographical distribution of A. amurensis in effort to elucidate the taxonomic status of subsp. nanus and var. dissectipetalis. After the subsp. nanus samples had been transplanted from their type locality, i.e. highland at more than 1,000 m above sea level, to a lowland habitat, we measured the samples' morphological characteristics. The range of values we recorded of the plant height and floral diameter from the subsp. nanus samples were within the parameters used to characterize A. amurensis. Accordingly, subsp. nanus has been characterized as an ecophene of A. amurensis. It is considered as a synonym of A. amurensis. Among the populations of A. amurensis (sensu Y.Lee, author), those with highly dissected petals at their apices have previously been described as var. dissectipetalis. However, this characteristic has been observed together with obtuse or rounded petal apices not only in one population but also in a single individual. However, populations with these characteristics belong to A. pseudoamurensis due to the simultaneous development of leaves and flowers, branched stems, acute leaf apices, and petals that are shorter than sepals. Therefore, we suggest that A. amurensis var. dissectipetalis be unified with A. pseudoamurensis. Very useful characteristics for distinguishing A. amurensis from its relative species are anthesis, the presence or absence of branches, the development of scales into normal leaves, the relative length of the sepals and petals, and the position of the stipules. A. amurensis is geographically restricted to E. Asia, including E. Siberia, and especially on the Korean Peninsula, it is distributed throughout the northern provinces of Gyeonggi province and in Gangwon province, Gyeongbuk province (Mt. Bohyeon-san) and Jeonbuk province (Mt Jeoksang-san) along Baekdudaegan mountain.