水原樹木園地域內의 自然森林植生 調査結果

李峻雨,禹保命,辛俊煥,金景河,兪鐘德 서울大學校 農科大學 1985 서울대농학연구지 Vol.10 No.2

樹木園 活成豫定地를 對象으로 土壤 水分含量과 植生을 調査하여 앞으로의 樹木園 造成에 필요한 情報를 얻음과 동시에 樹木園 造成에 따른 植生破壞後 原來植生에 關한 情報가 必要할 때 參考하기 爲하여 1985年 6月 12日에 本 調査를 實施하였는데 그 結果는 다음과 같다. 1. 全體的으로 겨이삭(Agrostis clavata var. nukabo)의 優占度가 매우 높았으며 씀바귀(Ixeris dentata)와 흰씀박귀(Ixeris dentata var. albiflora)는 극히 乾燥한 곳을 제외하고는 대부분 優占度가 높았다. 濕한 곳에는 왕비늘사초(Carex maximowiczii), 기장대풀(Isachne globosa) 等이, 극히 乾燥한 곳에서는 잔디(Zoysia japonica)가, 보통 乾燥한 곳에서는 그늘사초(Carex lanceolata), 김의털(Festuca ovina) 等이 優占度가 높았다. 2. 特히 稀貴植物인 선제비꽃(Viola raddeana)群落과 진퍼리용담(Grntiana scabra var. buergeri for stenophylla)이 Block 3(습지)에 있으므로 앞으로 이 區域은 注意깊게 保存되어야 할 것이다. 3. 土壤 水分含量이 最低 14.7%에서 最高 89.9%까지 分布하여 乾濕의 差異가 심하게 나타났다. 特히 調査 時期가 乾濕期인데도 土壤 水分含量이 70%가 넘는 곳이 3개소나 된다. 이 곳은 地下水位가 높아서 濕地이므로 濕地植物園을 造成해야 될 것이다. 植生의 造成狀態가 區域에 따라 變異가 심하게 나타났기 때문에 이 林地가 매우 不安定한 狀態에 있다고 볼 수 있을 것이다. Soil moisture contents and vegetation of the forest land planed to establish the Suweon Arboretum had been investigated to obtain some informations for establishing arboretum, and also for keeping the original vegetation composition data after the arboretum was established. The results obtained in this investigation could be summarized as follows. 1. In general, the coverage of Agrostis clavata var. nukabo was very high. The coverage of lxeris dentata and ixeris dentata var. albiflora were high except for very arid blocks. Coverages of Carex maximowiczii and Isachne globosa were high in wet blocks. The coverage of Zoysia japonica was high in very arid blocks and that of Carex lanceolata and Festuca ovina in arid blocks were high. 2. Soil moisture content was distributed from 14.7% to 88.9%. Especially the fact of the high moisture content (74.7, 77.5, 88.9%) in dry season implied that the ground water level of this area was high. The vegetation composition of this forest was varied, too. Therefore, it is considered that the stability of this forest was fragile.

樹木園 造成地域內 地존作業을 위한 아까시나무 除去試驗

金景河,辛俊煥,李峻雨,兪鐘德,禹保命 서울大學校 農科大學 1985 서울대농학연구지 Vol.10 No.2

This experiment was conducted at the Seoul National University Arboretum at Seodun-dong, Suweon, Kyeonggi-do, Korea (1) to find out methods killing Robinia pseudoacacia L. effectively and (2) to minimize ecological and aesthetic problems. Glycine and 2, 4-D were treated in several concentration following the saw-scratching and cutting of stems on July 22 and 29, 1985. The results were measured on October 17, 1885. The results obtained were as follows: 1. Ecological problems were decreased by these methods. 2. In case of herbicides treatment on section area, aesthetic problems were minimized, and amounts of herbicide consumption were five times as little as in case of spraying plants with herbicides. 3. The death rate amounted to 100% when the ratio of Glycine solution to water was 1:3, so that the concentration, 1:3 was most economical to kill the tree throughly. 4. The death rate amounted to 100% when the ratio of Glycine solution mixed with 2, 4-D to water was 1:4, therefore Glycine solution mixed with 2, 4-D was more effective than pure Glycine solution. Since 2, 4-D solution was less expensive than Glycine solution and only small amounts of 2, 4-D solution was added, it was most economical and effective method that Glycine solution mixed with 2, 4-D was diluted to the concentration, 1:4 and treated on the stem.

전국 10개 종합병원 중환자실 환자의 직장내 Vancomycin-resistant Enterococci(VRE) 보균율, 보균의 위험요인 및 유전적 다양성 조사

정희진,송준영,엄중식,김우주,최선주,최정현,이혁,정문현,이광미,신동현,손보라,최종성,우흥정,권정아,이경원,최강원,박승철 대한감염학회 2002 감염 Vol.34 No.5

荒廢山地에서의 산불이 森林植生및 土壤에 미치는 影響에 관한 硏究(III)

禹保命,權台鎬,李峻雨,金景河 서울大學校 農科大學 1986 서울대농학연구지 Vol.11 No.2

The third year's results on effects of surface fire on frest vegetations and soil properties were investigated in Mt.Gwanak, Kyunggi-do successively after the study of the first year's effects in the same place. Organic matters in soil had increased just after fire and whatsome decreased during 1 year after fire, and resulted in percentage that was less than unfired area in the third year after fire. The pH of subsoil was continuously increasing from just after fire till after 1 year, but decreased somewhat in the third year after fire. More exact classification into Increasers, Decreasers, Invaders and Neutral species was possible in the third year's study. According to comparison of similarities, the vegetational structure of the species at fired area has been gradually restoring to original state as time goes by.

水原農學캠퍼스 構內樹木園의 樹木目錄과 活用方法

禹保命,辛俊煥 서울大學校 農科大學 1985 서울대농학연구지 Vol.10 No.2

농학캠퍼스 구내에는 캠퍼스의 역사를 말해 주는 듯한 노거수들이 군데 군데 자라고 있다. 어느 노목은 노령으로 이게 그 본래의 웅장한 모습이 노쇄해 지는 감이 짙기도 하고, 또 어느 거수는 너무나도 높이 높이 자라서 그 나무 아래에서는 그 수간의 정점을 관찰할 수 없는 천하대장군격인 장승수도 있다. 기록에 보면 상록의 얼이 담긴 농학캠퍼스구내에서는 대체로 1907년경부터 수목이 식재되었다. 정문수위실의 뒤편에 자라는 상수리나무와 굴참나무, 그리고 그 옆에 서 있는 희화나무는 처음 심은 자리에서 그대로 자라왔다. 초창기에 심은 나무들은 리기다소나무, 양버즘나무, 아까시나무, 칠엽수, 신나무 등이다. 그밖에도 일본가래나무, 흑호도, 개서어나무 등은 초창기 심어 졌으나 지금은 없어져서 이 나무를 심어 주신 선배님들께 죄송하기 이를데 없다. 농학캠퍼스 중앙길 부근에 있는 노거수 미루나무는 1908년, 본관앞에 있는 이팝나무는 1926년에 조사한 바 그때 수고가 5m였다고 한다. 본관앞 숲속의 섬잣나무도 초창기에 심어진 노목이며, 운동장 남쪽 복판에 외롭게 남아있는 꽃개오동나무도 1907년에 들어온 나무 중의 하나로서 한때 황금수라는 이름으로 서둔동의 명물이 되어 서둔동을 카타루파(Catalpa)촌이라고 부르던 때도 있었다. 농대정문에서 육교에 이르는 대학로에도 카탈파가로수가 많이 심겨자라고 있었다. 「서울의 마로니에」는 아직도 보존되고 또 비석까지 세워졌지만 「수원의 카탈파」는 간곳이 없구나. 농대에서 농촌진흥청에 이르는 서둔길가에 남아 있는 개서어나무는 1907년에, 칠엽수 마로니에는 1908에 심은 것인데, 이미 그 모습이 사라진 것도 있고, 아직 남아 있는 것은 고생스럽게 살고 있다.

인하대학생들의 생활사건 스트레스와 반응방식에 관한 연구

원준재 인하대학교 학생생활연구소 1998 學生生活硏究 Vol.18 No.-

대학생활 만족도 조사연구

元俊載 仁荷大學校 學生生活硏究所 1996 學生生活硏究 Vol.16 No.-

Monocrotaline투여 백서 폐동맥고혈압에서 폐혈관내피세포와 폐신경내분비세포의 변화에 대한 형태학적 연구

양우익,조상호,최인준,이유복 대한병리학회 1992 Journal of Pathology and Translational Medicine Vol.26 No.6

전단자극 시 나트륨-칼슐 교환체 활성에 의한 횡방향 심방 근세포 Ca2+ 웨이브의 발생

김준철, 왕준, 손민정, 김경희, 우선희 충남대학교 약학대학 의약품개발연구소 2017 藥學論文集 Vol.32 No.-

In the present study, we investigated possible mechanism for the triggered global CaH wave from local Ca2+ wave in atrial myocytes under shear stress. Shear stress was applied onto single cells isolated from rat atria and two-dimensional confocal Ca2+ imaging was performed to measure Ca2+ signal. Shear stress of 16 dyn/cm2 induced local Ca2+ wave, which was followed by a rapid transverse global Ca2+ wave inhibition of Na + -ci+ exchange using KB-R7943 suppressed the occurrence of rapid transverse wave ob served under shear stress, but not the shear-induced local wave. in the presence of this chemical local wave was developed to global wave under shear stress which results in slower time to peak of peripheral and central CaH transients. As the preceding local Ca"+ wave signal was higher, the latency of the occurrence of transverse global wave was shorter, suggesting Ca2+ dependence of transverse Ca2+ wave. The results sug-gest that shear stress may activate Na+ -Ca2+ exchange via local CaZ+ wave, triggering the rapid global Ca2+ wave

冠岳樹木圓地域內 荒廢山地土壤의 肥沃化를 통한 綠化促進에 關한 硏究(II)

禹保命,權台鎬,李宗學,金景河,李峻雨,麻鎬燮 서울大學校 農科大學 1986 서울대농학연구지 Vol.11 No.2

The shallow soil depth and severe rock exposures on the hillslopes in the Kwanak aboretum area which resulted from the heavy soil erosion have made very poor growth of forest vegetation. In order to establish the forest vegetation in this area, it is urgent to recover the fertility of soil and the productivity of existing trees. For this reason, fertilization experiment (using the briquet compound fertilizer) was conducted on summer and autumn season in 1983 with the 4 main native species (Pinus densiflora, Pinus rigida, Juniperus rigida, Rhododendron schlippenbachii) growing on these eroded hillslopes. Result in 1985 and 1986 of this experiment represented that the fertilization was effective toward both height and root-collar diameter growth of trees and spring fertilization was, relatively, more effective than autumn fertilization. It also represented that effects of fertilization to P. rigida were more than those to other species. Therefore, besides the engineering methods and afforestation measures for soil erosion control, rapid establishment of vegetation through conservation and recovery of existing trees by fertilization is available measures for the rehabilitation of rockily eroded hillslopes like Mt. Kwanak area.