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냉온대지역 지형 변이 이후 식생 분포 현황 -일본 북해도 기타미시 요시이사와선을 중심으로-
이성기 ( Sung Gie Lee ),안영희 ( Young Hee Ahn ),김대현 ( Dae Hyun Kim ),정영교 ( Young Gyo Chung ),정진현 ( Jin Heon Jeong ) 한국녹지환경디자인학회 2006 녹지환경학회지 Vol.2 No.2
This study recorded the process of recovery from damage. Therefore this study was aimed to get a basic data of vegetation restoration through tracking survey of recovering process after reform construction. In early days after forest road was constructed, there were bare or almost bare ground. Recently vegetation status was surveyed 50 years after it was constructed. Part of forest in the site of this survey is hardly avoiding damage because road improvement is being expected. Therefore damage of vegetation is expected. After 50 years in bare ground, it was restored as total 168 species of 62 families such as 15 species of 7 families in pterophyta, 5 species of 2 families in gymnosperms, and 148 species of 53 families in angiosperms were occurred. Mixed forests of coniferous and broad leaves near forest road were recovered as 31 species such as Abies sachalinensis and Tilia japonica were occurred. If already existed forest roads were reconstructed, damage could be occurred again in very high possibility. Therefore environmentally-friendly construction is required through long-term monitoring.
이성기 ( Sung Gie Lee ),안승원 ( Seoung Won Ann ),정영교 ( Young Gyo Chung ),정진현 ( Jin Hoyn Jeong ),신병철 ( Byung Chuel Shin ) 한국녹지환경디자인학회 2008 녹지환경학회지 Vol.4 No.1
As the result realized the main component analysis by extracting the 31 basic geomagnetic bodies, which can be divided in forestry zones of basic geometric body of Fukuoka prefecture, it was divided in 7 kinds in forestry space. With the character appeared according to each form, the first factor is eternal pace management type of the 8 basic geomagnetic bodies like Kurogi; the second factor is asset maintenance of the 8 geomagnetic bodies like Nakagawa; the third factor is suburban type of the 5 geomagnetic bodies like Chikusino; the fourth factor is forestry mountain village of the 4 geomagnetic bodies like Hoshino; the fifth factor is material production zone type of the 4 geomagnetic bodies like Amagi; the sixth factor is the interior zone production type like Yabe; and the seventh factor is the own region type like Ooshima. Therefore, in this paper it was desirably decided that forestry advancement was induced from the first and second factor, and the rests are connected among them.
해동시킨 재래흑돼지육과 개량종 돼지육의 냉장저장중 품질비교
강선문,강창기,이성기,Kang, Sun-Moon,Kang, Chang-Gie,Lee, Sung-Ki 한국축산식품학회 2007 한국축산식품학회지 Vol.27 No.1
This study was carried out to compare the quality characteristics of korean native black pork (KNP) and modern genotype pork (MGP) during refrigerated storage after thawing. M. longissimus from 5 Korean native black barrows of 65.3 kg and 5 modern genotype barrows ($Landrace{\times}Yorkshire{\times}Duroc$) of 114.3 kg were frozen at $-80^{\circ}C$ for 1 month and stored at $2{\pm}0.3^{\circ}C$ for 7 days. The carcass weight and dressing percentage was significantly lower in pork from Korean native black pigs than modern genotype pigs (p<0.05). The crude fat and sensory quality were significantly higher in KNP than in MGP (p<0.05), and moisture, myristic acid, gamma-linolenic acid, linolenic acid, and cis-5,8,11,14,17-eicosapentaenoic acid levels were significantly lower in KNP (p<0.05). The pH value was significantly higher in KNP than in MGP after 5 days of storage (p<0.05). Drip loss was significantly lower in KNP than in MGP during storage (p<0.05). The TBARS value was significantly higher in KNP than in MGP after 5 days of storage (p<0.05). Overall, KNP had lower moisture and unsaturated fatty acid levels relative to MGP and showed less oxidative stability during storage, however it had higher crude fat content, water-holding capacity, sensory quality and color stability than MGP. 본 연구는 해동후 냉장시킨 재래흑돼지육과 개량종 돼지육의 육질을 비교함으로서 재래흑돼지육에 대한 기초자료를 제시하고자 실시하였다. 생시체중이 65.3 kg인 재래흑돼지 거세돈 5두와 114.3 kg인 개량종 돼지 거세돈($Landrace{\times}Yorkshire{\times}Duroc$) 5두의 등심(M. longissimus)을 $-80^{\circ}C$에서 1개월 동안 냉동하고 해동한 후 $2{\pm}0.3^{\circ}C$에서 7일 동안 저장하였다. 도체중과 지육율은 재래흑돼지가 개량종 돼지보다 낮았다(p<0.05). 일반성분에서 수분 함량은 재래흑돼지육이 개량종 돼지육보다 낮았지만(p<0.05), 조지방 함량은 높았다(p<0.05). pH는 재래흑돼지육이 저장 5일까지 높았으며(p<0.05), 드립감량은 재래흑돼지육이 저장기간 동안 낮았다(p<0.05). TBARS는 재래흑돼지육이 저장 5일부터 유의적으로 높았다(p<0.05). 표면육색은 저장기간 동안 $L^*,\;h^0$ 값에서 재래흑돼지육이 낮았으며(p<0.05), $a^*,\;b^*,\;C^*$ 값에서는 높았다(p<0.05). 지방산 조성은 myristic acid, gamma-linolenic acid, linolenic acid, cis-5,8,11,14,17-eicosapentaenoic acid에서 재래흑돼지육이 개량종 돼지육보다 낮았으며(p<0.05), 신선육과 가열육의 관능적 기호도는 재래흑돼지육이 높았다(p<0.05). 따라서 재래흑돼지육은 개량종 돼지육보다 수분 및 일부 불포화지방산 함량이 낮고 저장중 지방산화가 촉진되었지만, 조지방 함량이 높고 보수력, 관능적 기호도 및 색택이 우수하였다.
김대현 ( Dae Hyun Kim ),이성기 ( Sung Gie Lee ),정영교 ( Young Gyo Chung ),정진현 ( Jin Hyun Jeong ) 한국녹지환경디자인학회 2008 녹지환경학회지 Vol.4 No.2
Within the forest inventory of Jeju, the national forest has been rich relative to the average national inventory; however, the private forest has formed merely half of the average national area, and the circumstances for forest management were also demonstrated to be poorer than those of the average national forest management. In the organization of age classes, the rate of schonungen kulturen is relatively lower. Thus, it will lead to an unbalanced growth in the forest and hurt its stability, provided that there is no improvement in the age class` structure, which would make it hard to begin sustainable forest management (SFM). Also, the acreage of forest owned by private forest owners was shown to be only half of the national average. Therefore, it appears to be necessary to introduce collectivism into forest management. The forest management plan establishment rate is merely 1.7%, and it is supposed to create active support for building forestry management plans. After analysis, it was decided to pursue the extension of the forestation area, which is only about an average yearly 100ha, for the forestation of a sustainable forest inventory. It would also be necessary in the forestation of tree species to conduct forest management in consideration of sightseeing by selecting tree species specified for local features. The area in Jeju appropriate for tending as a forest proved to be 2,495~3,209ha, and the producible growing stock proved to be 41,717~62,577m3.
강선문,정재경,판조노,강창기,이성기,Kang, Sun-Moon,Cheong, Jae-Kyoung,Pan, Jo-No,Kang, Chang-Gie,Lee, Sung-Ki 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.5
본 연구는 비육기 이전에 초지에서 방목한 한우육과 옥내에서 비육한 한우육의 품질을 비교하고자 실시하였다. 방목사육구는 $28{\pm}4$개월령 암소 5두를 7개월 동안(4월-11월)방목한 다음 다시 6개월 동안 옥내에서 비육하였으며, 옥내사육구는 6개월령 거세우 10두를 24개월 동안 옥내에서 비육하였다. 시료로 등심(M. longissimus)부위를 채취하여 $4{\pm}0.2^{\circ}C$에서 7일 동안 저장하였다. 도체성적은 방목우의 도체중, 지육율, 배최장근단면적 및 육질등급이 옥내사육우보다 낮았으나(p<0.05), 조직감 및 성숙도는 방목우가 높았다(p<0.05). 조지방 및 n-6 지방산, n-6/n-3은 방목우가 낮았으나(p<0.05), n-3 지방산, 포화지방산은 방목우가 높았다(p<0.05). pH 및 보수력은 방목우가 낮았으며(p<0.05), 전자코에 의한 향기패턴은 두 처리구들간에 뚜렷한 차이를 보였다. 저장중 품질은 방목우의 지방 및 육색소 산화안정성이 낮았으며, 옥내사육 우보다 어둡고 덜 붉은 육색을 나타내었다.