• 한국환경과학회지
• /
• 제23권12호
• /
• pp.2057-2069
• /
• 2014

This study was carried out to estimate the BVOCs emissions with the emission factors which reflected the native conditions of forests in Jeju Island. This study made effective use of the previous data for the weather data and the emission rate of each organic volatile component measured at 10 species of conifers and broad leaved trees. The CORINAIR method and the grid system of $1km{\times}1km$ for whole area of Jeju Island were adopted in calculating the BVOCs emission emitted from forest. The vegetation information for Jeju Island was referred to GIS and a government report. By the results of BVOCs emission for Jeju Island, the 85% of monoterpene emission was emitted from conifers and the others was from broad leaved trees. Most of monoterpene emission was attributed to Pinus thunbergii and Cryptomeria japonica. The broad leaved trees greatly contributed to the isoprene emission and Quercus serrata played a dominant role in emission of isoprene. The total amount of BVOCs emission was estimated as $3612ton\;yr^{-1}$ in Jeju Island. The 51.1% of total emission was contributed to conifers, the 44.9% to broad leaved trees, and the 4.0% to grassland. Of total emission of BVOCs, monoterpene accounted for 32.3%, isoprene for 28.0%, and OVOCs for 39.7%. The BVOCs emission estimated by this study was less than that estimated by other previous study. This means that it is important to survey the emission rate at native conditions and gather the detailed information for various species of vegetation on target region.

• 식물분류학회지
• /
• 제40권3호
• /
• pp.157-162
• /
• 2010

우리나라의 울릉도와 독도에 분포하는 한국특산종인 섬기린초는 해안암석지대를 터전으로 넓게 분포하여 울릉도 생태계의 중요한 부분을 차지하고 있다. 본 연구는 섬기린초에 대한 엽록체 DNA의 trnL/F intergenic spacer 염기서열을 총 32개체에 대하여 조사하였다. 그 결과, 정렬된 염기서열 중 하나의 6-bp indel (-ATTCAC-)에 의하여 두 개의 type (TYPE01: 297bp과 TYPE02: 291bp)을 확인하였다. 확인된 두 개의 엽록체 DNA type은 울릉도와 독도에서 뚜렷한 지리적 분포양상을 보여주었다. TYPE01은 울릉도(15개체)에서만 관찰되었고 TYPE02는 울릉도(12개체)와 독도(5개체)에서 확인되었다. 섬기린초는 하나의 6-bp indel에 의하여 서로 다른 두 개의 엽록체 DNA haplotype이 확인되고 뚜렷한 지리적 분포양상을 보여주기 때문에, 울릉도와 독도에 자생하는 개체군 내에 진화적으로 서로 다른 두 개의 계통이 있음을 추정할 수 있고 울릉도와 독도 간 원거리 분산 기작의 가능성을 지지하였다.

• 대한건축학회논문집:계획계
• /
• 제34권8호
• /
• pp.105-116
• /
• 2018

The architecture reflects geographical characteristics such as geographical environments and climate, it has the characteristics and cultural characteristics of the region that has been constructed. Hansen Village constructed in Period of Japanese Occupation at 'Sorok-Island' in Go-heung, Jeollanam-do was also based on this point. The village, which is a ward of Sorok-Island Province, consists of a village in which patients are self-sufficient in economic and social activities, unlike the modern hospital systems where patients and treatments are concentrated in a single room. Additionally, the facilities for patient acceptance were gradually expanded, with limited interaction with external. Sorok-island shows the expansion of the village center where the new village is formed with the increase of the number of the early adopters in the 1910s and the accommodation facility is built, and it gradually increases the necessary space by opening and repairing the existing facilities by the 1990s Change. In addition, the spatial composition of the village can be divided into three types : decentralized, centralized and single-shift ; it has the same causal relationship as the village's formation. The purpose of this study is identifying the uniqueness of Sorok-Island by analyzing the correlation between the formation of a village to accommodate Hansen Patients in Sorok-Island and the spatial Component Factor.

• 한국응용곤충학회지
• /
• 제20권1호
• /
• pp.51-58
• /
• 1981

Hitherto 44 species belonging to 19 families of spiders have been reported at Ulreung-do on the East Sea. Korea. The authors have investigated spider fauna, through out the Ulreung-do, during July 25, August 3. 1975 and July 30, August 7, 1980. The foundings were as followings. 1) In this report, 132 species of 74 genera, including 3 undetermined species, belonging to 25 families of spiders are tabulated by the aid of published data and collections of the authors. Eighty six species are added to the fauna, of which 2 species are new to Korea. as follows; Porrhomma montanum Jackson. 1918, Clubiona neglecta O.P. Cambridge, 1862. The spider fauna of Ulreung-do includes 18 nothern species $(14.0\%)$, 8 southern species $(6.2\%)$. 7 cosmopolitan species $(5.4\%)$ and 84 Palaearctic temperate species $(65.1\%)$. The predominant species are Araneids. Thridiids, especially Cyclosa japonica Boes. et Str. are found in large numbers all over this island. Linyphiids and Lycosids are relatively few in number. 3) The common species to comparative area and foreign countries are as follows; Ulreung-do/Jookbyeon...76 species$(43.3\%)$ Ulreung-do/Jeju-do...95 species$(40.6\%)$ Ulreung-do/Heuksan do...61 species$(35.7\%)$ Ulreung-do/Deogjeog-do...51 species$(31.7\%)$ Ulreung-do/Tsushima Isl....71 species$(30.3\%)$ Ulreung-do/Japan...112 species$(11.3\%)$ Ulreung-do/main China...59 species $(6.5\%)$ 4) The ecological distribution are as follows; The seashore region...81 species$(62.8\%)$ The evergreens region...73 species$(56.6\%)$ The highiands region...64 species$(49.6\%)$ The valleys region...49 species$(38.0\%)$ The basin region...23 species$(17.8\%)$ 5) The noticeable one of geographical distribution in this island, are as follows; Nesticus quelpartensis Paik et Namkung, 1969, Conoculus simboggulensis Paik, 1971.

• 한국환경과학회지
• /
• 제18권9호
• /
• pp.1017-1026
• /
• 2009

In Jeju island, the surface runoff characteristics are quite different from those of inland. Most of streams show dried characteristics by means of large portion of recharge which goes to the deep aquifer. For this reason, the accurate estimation of hydrologic components by using watershed model like SWAT is very difficult. On the other hand, the integrated SWAT-MODFLOW model is able to simulate the complex runoff structure including stream-aquifer interaction, spatial-temporal groundwater recharge and so on. The comprehensive results of Pyoseon region in Jeju island show that the amount of groundwater discharge to stream is very small, but it might be added to the discharge into the sea. Statistical analysis shows that SWAT-MODFLOW's results represent better than SWAT's. Also, SWAT-MODFLOW produces a reasonable water budget which shows a quite similar pattern of observed one. This result proves that the integrated SWAT-MODFLOW can be used as a proper tool for hydrologic analysis of entire Jeju island.

• Ocean and Polar Research
• /
• 제35권4호
• /
• pp.351-353
• /
• 2013

Until recently, Pacific equatorial tropical island states were subject of only very limited interest by scientists, government officials, industry and policy makers of Korea. And, comprehensive information and data on these island regions is not very detailed to help better understand their social backgrounds as well as their natural environment. However, these island regions are now in the middle of diplomatic tug-of-war among super powers as well as becoming nucleus of various science-based ocean issues including marine biodiversity, shifting ecosystem, global environmental change including sea level rise and ocean acidification, fisheries, etc. Therefore, rising political and scientific importance of these areas call for better understanding of these regions, in social aspects as well as natural scientific knowledge of the region. To be provocatively prepared to more actively role in these regions, "A study on Establishing Research Infrastructures in the Tropical Pacific" has been supported during 2012-2013 as a mission-oriented in-house project of the KIOST. This project aims to provide various research infrastructure for Pacific island states, to reinforce cooperation with these nations, and to enhance Korea's national prestige. This special issue contains 10 research articles based on the studies conducted in 2012~2013.

• Mycobiology
• /
• 제45권4호
• /
• pp.286-296
• /
• 2017

Ulleung Island is a biodiversity hotspot in South Korea. During a survey of indigenous fungal species from Ulleung Island conducted from 2015 to 2016, we discovered 10 unrecorded macrofungi in Korea. These macrofungi were identified to the species level using morphological features and phylogenetic analysis based on the internal transcribed spacer region: Deconica phyllogena, Mycena zephirus, Phaeomarasmius proximans, Phlebia radiata, Pluteus semibulbosus, Postia alni, Resinicium pinicola, Scytinostroma portentosum, Tricholomopsis flammula, and Tyromyces kmetii. We also provide detailed morphological descriptions for these 10 species.

• Journal of Plant Biology
• /
• 제12권3호
• /
• pp.35-41
• /
• 1969

To clarify the types of brackish region of the Han River Estuary, this research was carried out, and the results obtained on the basis of salinities and phytoplankton are as follows: 1. Geomorphologically, the Han River Estuary is the drowned river valley type. 2. According to the Venice System, the estuarine extent is defined from the lower point of Jollyu-ri to Palmi Island. As a whole the estuarine region is mixo-haline including parts from oligo-haline to poly-haline. 3. In standpont of phytoplankton frequency, the frequency of fresh-water species is high in the upper region of estuary and that of marine species is high in the lower region. The rate of frequency of fresh-water species is inversely proportionate to that of marine species. The area mixedby marine and fresh-water species over estuarine boundary. 4. The frequency of some typical brackish species is very low and almost similar in the whole region.

• 한국수산과학회지
• /
• 제5권1호
• /
• pp.1-10
• /
• 1972

1. 여름(8월)에 북위 $29^{\circ}$ 동경 $127^{\circ}30'$ 근해의 동지나해 대륙붕 동측을 동복진하는 Kuroshio의 주류는 처음에는 연안 수괴와 반류역 수괴의 표층 경계를 폭좁게 통과하나, 동진함에 다라 범위가 넓어져 큐우슈우 남방의 Tokora 해협 부근에서는 폭이 약 2배로 넓어진다. 2. Kuroshio 강류역의 상층부의 표면 부근이 동지나해 연안수 확장이 있고, 상층부의 밑에는 반류역 표층수의 잠입을 볼 수 있고, 고 중간은 각 수괴가 복잡하게 혼합한 수괴로 되어 있다고 본다. 또, 그 해역의 동쪽에는 균일한 수괴를 형성한다고 볼 수 있다. 3. 이 해역에서 Kuroshio의 연직 혼합은 대략 표면에서 250m층간이다. 4. 아마미섬과 동지나해 대륙붕간의 수괴는 와동역과 반류역 Kuroshio 유역, 연안수의 잠입에 의한 Kuroshio 혼합역으로 구분된다. 5. 이 해역에서 얻어진 최대 유속은 139cm/sec이며, 단위 시간당 Kuroshio 수송량은 $24.6\;\times\;10^6m^3/sec$로서 남부의 오끼나와섬과 대륙붕 해역간의 $33\;\times\;10^6m^3/sec$ 보다 적다. 6. 표층 해류는 Tsushima 해협, 제주도 방면으로 향하는 것, 큐우슈우 연안으로 향하는 것, Tokora 해협을 거쳐 태평양으로 빠지는 것, 아마미 군도 및 오끼나와, 팔중산군도로 남향하는 것 등으로 구분된다. 그리고, 제주도와 Tsushima로 향하는 것은 유속이 극히 느려 0.3-0.5 놋트의 유동이었다. 7. 대륙붕 연변의 경사에서 저층 표류물은 Tsushima 난류에 향하여 수송된다. 그것은 대륙붕 위에서 저층 표류물이 황해 저층수로 유입되는 수송양식과는 다른 수송 기구를 이루고 있다고 볼 수 있다. 8, 여러 수괴가 혼합되어 있는 이 해역을 Kuroshio가 흐르는 동안, 대륙 연안수와 혼합이 심하여, Kuroshio는 그 성질 일부가 크게 변질한다.

• 대한지리학회지
• /
• 제43권6호
• /
• pp.858-872
• /
• 2008

본 연구는 사료를 기초로 조선시대 제주도의 기상재해에 대하여 살펴보고, 정부와 제주민들은 이에 어떻게 대응했는지를 분석하였다. 조선시대 제주도의 기상 특이일 기록 건수는 17세기가 가장 많았고, 18세기, 16세기, 15세기, 19세기 순으로 나타났다. 기상재해의 유형별로는 풍해가 가장 많았고, 수해, 한해(旱害), 설동해 순으로 나타났다. 지역별로는 제주목이 풍해와 수해가 많았고, 대정현은 한해가 많았다. 기상재해가 발생하면 기근으로 이어지는 것이 상례였다. 정부에서는 한반도의 곡식을 제주도로 이전하여 백성을 구제하였으며, 이를 위해 갈두진창, 나리포창, 제민창을 설치하였다. 또한 제주도 백성을 평안도 등 한반도로 이주시켜 만성적인 기근을 해결하고자 했다. 이상 기후에 대응하여 제주도 농민들은 답전, 바령, 복토, 방풍 등의 농법을 행하였고, 해민들은 환전, 석력 선적 등의 항해술을 행하였다.