• 제목/요약/키워드: cultural season

검색결과 165건 처리시간 0.022초

산림과 산림시설물의 산불 피해 예방에 관한 고찰 (A Study to Prevent the Forest Fire in Forest Facilities and Forests)

  • 박경진;김혜리;이봉우;박신영
    • 한국산업융합학회 논문집
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    • 제23권2_2호
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    • pp.301-306
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    • 2020
  • 본 연구에서는 전국의 산불 발생 현황을 국가화재정보시스템의 통계자료를 바탕으로 원인별, 연도별, 지역별, 피해 규모별로 분석하였다. 분석결과 산불 발생의 주요한 원인은 사람의 실수에 의한 인재가 가장 많았다. 또한, 산화 횟수는 인구 밀집도가 높은 지역 다른 시도에 비해 많은 것으로 나타났다. 그리고 산림 훼손의 면적은 임업 자원이 풍부한 강원도가 가장 넓은 것으로 확인되었으며 계절적으로는 따뜻한 기온과 강한 바람 낮은 습도로 인해 봄철에 많이 발생하였다. 이러한 산불의 재해는 자연 자원의 파괴는 물론 주택 등의 산림시설물과 문화재에 직접적인 피해를 준다. 이에 본 연구에서는 산림 자원과 산림시설물의 산화에 의한 피해 방지를 위해 국립산림청의 산불 방지 종합 대책과 더불어 예방 정책을 제안하였다.

기후변화에 따른 벼 적정 등숙기간의 변동과 대책 (Climate Change Impacts on Optimum Ripening Periods of Rice Plant and Its Counter-Measure in Rice Cultivation)

  • 윤성호;이정택
    • 한국작물학회:학술대회논문집
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    • 한국작물학회 2000년도 추계 학술대회지
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    • pp.28-45
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    • 2000
  • It was unusual crop weather for 1998 and 1999 compared with normal in Korea. The consecutive days of the optimum ripening period for rice plant that had daily mean temperature 21-23C for 40 days after heading, increased with long anomalies in 1998-99. The air temperature during ripening period was much higher than the optimum temperature and lower sunshine hour than normal in the local adaptability tests of newly developed rice lines during those years. In response of rice cultivation to warming and cloudy weather during crop season, the yield shall be decreased. Most scientists agree that the rate of heating is accelerating and temperature change could become increasingly disruptive. Weather patterns should also become more erratic. Agrometeorologists could be analyzed yearly variations of temperature, sunshine hour and rainfall pattern focused on transient agroclimate change for last a decade. Rice agronomists could be established taking advantage of real time agricultural meteorology information system for fertilization, irrigation, pest control and harvest. Also they could be analyzed the characteristics of flowering response of the recommended and newly bred rice cultivars for suitable cropping plan such as cultural patterns and sowing or transplanting date. Rice breeders should be deeply considered introducing the characteristics of basic vegetative type of flowering response like Tonsil rices as prospective rice cultivars corresponding to global warming because of the rices needed higher temperature at ripening stage than Japonica rices, photoperiod sensitive and thermo-sensitive ecotypes

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Antioxidant Activity of Blackish Purple Rice

  • Ryu Su-Noh;Han Sang-Jun;Park Sun-Zik;Kim Hong-Reol
    • 한국작물학회지
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    • 제51권2호
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    • pp.173-178
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    • 2006
  • Anthocyanin in blackish purple rice is composed of cyanidin, peonidin, malvidin, pelargonidin and delphinidin flavylium ion and their glucosides, which shows antioxidant activity similar to a-tocoperol. It has been demonstrated that cyanidin-3-glucoside(C3G) of anthocyanin has a high-potency antioxidant activity, and is a prominent in anticancer and antithrombotic activity. In analysis of content of anthocyanin from the genetic source of blackish purple rice, the level of C3G was approximately 80% of total contents of anthocyanins, and showed the highest content in Heugjinjubyeo, of which contains an amount of 500 mg by weight of 100g brown rice in comparison that most of varieties has less than 50mg by weight of 100g brown rice. We found that C3G pigment in blackish purple rice was considerably affected by cultural season, cultivation area, ripening temperature, and weather condition, etc. as well as genetic properties. In cross combination between Heugjinjubyeo and Suwon425, intermediate parent $F_9$ generation which was three times higher or more in C3G content than that of Heugjinjubyeo was bred, of which it contained an amount of 1678 mg by weight of 100g brown rice, and we called it 'C3GHi' Rice. And, we found that the C3GHi rice was more excellent than that of the existing Heugjinjubyeo in anticancer and antithrombotic activity. Methanol extract from Heugjinjubyeo was fractionated by organic solvents in order of n-hexane, $CH_{2}Cl_2$ and n-BuOH, and then oryzafuran, quercetin, vanillic acid and protocatechuic acid and their structures from the n-BuOH fraction were ascertained. Oryzafuran of these compounds was a natural compound found firstly in nature. Quercetin and protocatechuic acid besides new compound oryzafuran showed excellent antioxidant ability to vitamin C. These results suggest that blackish purple rice has very high value as a source of various functional food as well as staple food.

지하수 관개지역 논에서의 배출부하 특성 (Characteristics of Pollutant Loading from Paddy Field Area with Groundwater Irrigation)

  • 윤춘경;김병희;전지홍;황하선
    • 한국농공학회지
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    • 제44권5호
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    • pp.116-126
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    • 2002
  • Discharge pattern and water quality were investigated in the drainage water from about 10 ha of groundwater-irrigated paddy field in the growing season of 2001. Total discharge quantity was about 1,117.2 mm in which about 75% was caused by management drainage due to cultural practice of paddy rice farming and the rest by rainfall runoff where total rainfall was about 515 mm. Dry-day sampling data showed wide variations in constituent concentrations with average of 26.14 mg/L, 0.37 mg/L, 3.54 mg/L at the inlet, and 43.60 mg/L, 0.34 mg/L, 3.58 mg/L at the outlet for CO $D_{cr}$ , T-P, and T-N, respectively. Wet-day sampling data demonstrated that generally CO $D_{cr}$ followed the discharge pattern and T-P was in opposite to the discharge pattern, but T-N did not show apparent pattern to the discharge. Discharge and load are in strong relationship. And based on regression equation, pollutant loads from groundwater irrigation area are estimated to be 288.34, 1.17, and 5.45 kg/ha for CO $D_{cr}$ , T-P, and T-N, respectively, which was relatively lower than the literature value from surface water irrigation area which implies that groundwater irrigation area might use less irrigation water and result in less drainage water, Therefore, total pollutant load from paddies irrigation with groundwater could be significantly lower than that with surface water. This study shows that agricultural drainage water management needs a good care of drainage outlet as well as rainfall runoff. This study was based on limited monitoring data of one year, and further monitoring and successive analysis are recommended for more generalized conclusion.

명대 원림서에 기술된 죽병(竹屏)의 활용과 그 의미 (Studies on the Utilization of Bamboo Screen(Zhuping: 竹屏) and the Meaning in Gardening Books of Ming Dynasty)

  • 정우진;권오만;심우경
    • 한국전통조경학회지
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    • 제32권1호
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    • pp.83-92
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    • 2014
  • 본 연구는 중국 명대 원림서인 원야, 장물지, 한정우기를 통해 중국 죽병의 용도와 식물소재를 분석한 것으로, 요약된 결과는 다음과 같다. 위 세 서적은 거의 동일한 시기에 저술되었지만 작자가 바라보는 죽병의 시각은 부정적이기도 했고 적극 지지하는 의견이 피력되기도 한다. 이는 명초에 시은(市隱)을 조성할 때 죽병을 사용했던 양상이 퇴색되는 과정을, 나아가 명말 사회경제적 변화에 의해 죽병의 의미가 사치적 성향으로 전화되었음을 보여준다. 죽병은 덩굴성 식물의 가지가 등반 부착하게 하는 보조재(補助材) 또는 유도재(誘導材)의 성격으로 고안된 것이었다. 이는 한편 여름 내내 많은 꽃이 연이어 피는 장미과 식물의 관상효과를 극대화하기 위한 장치였으며, 또한 중국 특유의 문화적 향유와 관련되었다. 죽병에는 주로 꽃이 아름다운 장미과 식물이 사용되었으며, 이 식물들을 부식하여 만든 죽병은 평소에 담장의 역할을 하다가 개화기에는 아름다운 화벽을 볼 수 있는 다목적 시설로 설치되었다.

2020 S/S 컬렉션에 나타난 젠더리스 패션 디자인에 따른 메이크업 표현 특성 (Expressive characteristics of make-up based on genderless fashion design in the 2020 S/S collection)

  • 최지은;문윤경
    • 한국의상디자인학회지
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    • 제22권2호
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    • pp.71-85
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    • 2020
  • The purpose of this study was to study the beauty-coordination characteristics of Genderless fashion, which is emerging as a new trend by analyzing the trend in the latest collection and classify the resulting expression characteristics of make-up. Methods and scope of the study were based on collections published in the 2020 S/S season and 35 out of 84 designers with design elements were selected to analyze the garments most likely to be genderless. The characteristics of the expression of the genderless derived through this analysis were classified into compromise, androgyny, sensuality, exaggeration, enjoyment, and historicity. Compromise was the highest, and the lowest was for enjoyment of the classifications. The designer's work according to the characteristics of each expression shows that the pieces by Saint Laurent were the highest in compromise, sensuality, and historicity, and the pieces by Maison Margiela were the highest in androgyny while Balenciaga was the highest in exaggeration and enjoyment. Compromise represented a mixture of discord, such as incongruous bonding and coloring of heterogeneous materials, and androgyny led to the use of silhouettes and colors, with sensuality utilizing see-through material and incision lines allowing for physical exposure. Exaggeration intentionally destroyed the existing concept by breaking the overall balance of the human body through the enlargement of certain parts of the body, while enjoyment showed unexpectedness by destroying the line and sides of the garment. Lastly, historicity was analyzed for its retro design that transcends time and space with regional cultural and period characteristics.

한국 여성상의(Jacket)의 변화 고찰 - 1945년∼2000년을 중심으로 - (A Study on the Variations on the Types of Korean Women′s Jackets - emphasized on the period from the Liberation in 1945 to 2000 -)

  • 이상은;김영란
    • 한국의상디자인학회지
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    • 제6권3호
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    • pp.153-167
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    • 2004
  • Korea had suffered the colony of Japanese imperialism and the Korean War from the invasion of the external circumstances. Such special situation made new influences on the clothing habits. The types of Korean women clothing could escape from the traditional style that had been maintained for thousands of years. The foreign clothes for Korean women had undergone various changes from the Liberation in 1945. The jackets that had been introduced to Korea at the Enlightenment period had become popular outfits for men. The jackets made big influences on the changes such as the social advances for women from the times background of the Liberation. The jackets possess very important meaning for the changes in the diffusion of feminism and fashion. Therefore, this research tries to investigate the forms, silhouettes, changes and structures of the jackets such as the locations of the collar, the sleeve, and the waste line. The process of the changes in the style of women jackets is also analyzed from the silhouette and the structure method. The development and changes will be understood of Korean women's jackets. The Korean women's jackets should also be examined further with the history of foreign clothing from now on. The fashion to be introduced from important society cultural phenomena and the Western Europe has been reflected into the changes in the style of Korean female jackets. Also, dramatic changes in the style of clothing indicate that the society had experienced a great deal of changes. It is verified that foreign clothes have been interacted with the stream of times worldwide. After the Liberation, the female jackets become a uniform style which just followed the Western European style. However, a season trend has been announced from the SFAA since 1990. Since then trendy jackets have been detailed more with this chance.

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영국사 대웅전 목부재의 수종 및 연륜연대 분석 (Analysis of Species and Tree-Ring Dating of Wood Elements Used for the Daewoongjeon Hall of Youngguksa Temple)

  • 손병화;박원규;윤두형
    • 건축역사연구
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    • 제15권2호
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    • pp.23-38
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    • 2006
  • During the repair and restoration of the Daewoongjeon Hall of Youngguksa Temple, species identification and tree-ring dating for both present wood elements and charred ones excavated under the Hall, were conducted. The species of 74 wood elements of Daewoongjeon Hall, were identified as Pinus densiflora Sieb. et Zucc. and only 1 was identified as exotic Pinus species. The latter wood, which was used in the laths, seems to have been replaced during past repairs. Many documentary records and various artifacts pertaining to Youngguksa Temple are being excavated, but none described precisely the construction date of the present Daewoongjeon Hall. Also, from beneath the Daewoongjeon Hall, cornerstone and foundation of previous building and several charred wood elements were excavated. In comparing the direction of the stone columns of foundation of the previous structure and the existing Daewoongjeon Hall, the previous structure was rotated in an angle of approximately $15^{\circ}$. Therefore, in order to find the association of the previous structure with the present Daewoongjeon Hall, tree-ring dating was conducted. The dating of 41 original timbers and 14 roof-filling timbers of the present construction elements revealed that the last annual ring was of A. D. 1703 with complete latewood, indicating that those woods was cut some time between the autumn of 1703 and spring of 1704, and the building was erected in 1704 when we assume no period of wood storage. The year of the last annual ring of the charred elements, which were excavated from beneath the Daewoongjeon Hall, was analyzed as 1674. The cutting year of the woods used for the present building began in 1698, therefore, it can be presumed that the Daewoongjeon Hall before the fire was a structure that was elected shortly after 1674 and that a catastrophic fire occurred some time between 1674 and 1698.

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시설과채류(오이, 참외)의 뿌리혹선충 종합방제에 관한 연구 (Study on Integrated Control against Root-knot Nematode of Fruit Vegetables (Oriental Melon and Cucumber) in Vinyl House)

  • 박소득;박선도;권태영;최부술;이원식;최영연
    • 한국응용곤충학회지
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    • 제34권1호
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    • pp.75-81
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    • 1995
  • 시설 과채류 재배지의 뿌리혹선충의 피해경감을 위해서 경북도내 시설 오이 재배단지인 칠곡과 참외재배 주산지인 성주에서 1992년부터 1994년까지 3년간 방제시험한 결과 뿌리혹선충의 피해를 경감시키기 위한 토양개량 적기는 모래산흙인 마사토의 경우에 3년 붉은산흙인 경우 4년마다 하는 것이 효과적이고 농약과 조합한 오이의 방재시험에서 빗사마드 분제가 78.2%, 카보입제+토양반전+담수가 71.2%, 카보입제+담수가 66.3%이었으며 참외에서 살충제처리후 20일에는 77.7~80.6%의 방제효과를 보였으나 60일 후에는 33.7~49.5%로 방제가 낮아 후기에는 효과가 낮았다. 참외재배 논에서의 작부체계에 따른 뿌리혹선충 밀도 억제효과는 참외 재배후 담수하여 벼를 재배할 때에 벼 수확시 방제효과가 91.1%로 대부분의 선충이 사멸되었다. 각 처리구 공히 처리당시에는 뿌리혹선충 증식을 억제하였으나 생육추기로 갈수록 선충밀도가 증가되었다. 그러나 토양개량은 3년간 효과적이였으며 가장 경제적으로 선충의 증식을 억제하 수 있는 처리는 3년마다 한번씩 벼를 재배하는 것이었다.

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Halo Blight of Kudzu Vine Caused by Pseudomonas syringae pv. phaseolicola in Korea

  • Jeon, Yong-Ho;Chang, Sung-Pae;Kim, Sang-Gyu;Kim, Young-Ho
    • The Plant Pathology Journal
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    • 제22권2호
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    • pp.119-124
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    • 2006
  • Kudzu vine(Pueraria montana var. lobata) is an invasive climbing woody vine that envelops trees and shrubs, pressing physically and shutting out sunlight, which needs to be controlled. Kudzu vine pathogens were surveyed as a way to seek its biocontrol agents in 2002. Occurrence of a bacterial halo blight disease of kudzu vine was observed at several localities in Korea including Euiwang and Suwon in Gyeonggi Province, Daejon, and Gochang and Buan in Jeonbuk Province. Symptoms of brown to black spots with a surrounding yellowish halo appeared from June and lasted till the rainy season without much expansion, but accompanying often leaf blight and defoliation. Isolated bacteria were identified as Pseudomonas syringae pv. phaseolicola based on physiological and cultural characteristics, Biolog, fatty acid and 16S rDNA sequencing analyses. In artificial inoculation test, these bacteria produced the same halo spot symptoms on kudzu vine and bean plants. They also induced hypersensitive responses (HR) on tobacco, tomato, and chili pepper leaves. This is the first report of a bacterial disease of kudzu vine in Korea, and the bacterial pathogen can be used as a biocontrol agent against the pest plant.