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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Korean Forest Society
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Korean Forest Society
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Volume & Issues
Volume 104, Issue 4 - Dec 2015
Volume 104, Issue 3 - Sep 2015
Volume 104, Issue 2 - Jun 2015
Volume 104, Issue 1 - Mar 2015
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Analysis of Research on Non-Timber Forest Plants - Based on the Articles Published in the Journal of Korean Forest Society from 1962 to 2013 -
Lee, Hyunseok ; Yi, Jaeseon ; An, Chanhoon ; Lee, Jeonghoon ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 337~351
DOI : 10.14578/jkfs.2015.104.3.337
The articles, published in the Journal of Korean Forest Society from Volume 1 (1962) to Volume 102 (2013), were investigated for the research trend analysis about forest plants for special purposes, i.e., edible plants, medicinal plants, feed resources, landscape plants, fiber plants, industrial usage, bee plants, bioenergy/phytoremediation uses, dye materials, and rare/endangered/endemic plants. These research articles were classified again based on the contents of research into following categories - habitat environment, ecology, physiology, propagation, silviculture (including planting and tending), genetics and breeding, identification, pest and disease control, animal-related research, components analysis and extracts, vegetation survey, biotechnology, management, recreation and forest healing, and research review. Among the total 2,433 articles published, 611 (25.1%) were related to plants for special usage or purposes. The highest frequency (14.9%) in publications was found in the field of silviculture followed by physiology, propagation, identification, and genetics and breeding, respectively. On the bases of usage, edible plants showed higher frequency (26.5%) than others, followed by industrial purpose, bioenergy/phytoremediation usage, landscape plants, medicinal plants, and rare/endangered/endemic plants. Populus plant species was the most popular in research, showing 62 articles; and Castanea crenata 36; Pinus koraiensis 35; Robinia pseudoacacia 20; Ginko biloba 17, etc. Based on the survey and analysis, the following points are suggested: 1) improved evaluation of forest plants as non-wood resources, 2) expanding research topics on the basis of production, management, and utilization of non-wood forest resources, 3) management of database of forest plant information and encouragement needed to strengthen cooperative researches satisfying the needs of other industrial and scientific areas, and 4) encouraging to promote traditional knowledge based research on forest plants.
Effects of Special Protection Area Designation on Soil Properties and Vegetation Coverage of Degraded Trails
Kim, Dong-Hwan ; Lee, Dong-Ho ; Kim, Hyun Seok ; Kim, Seong-il ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 352~359
DOI : 10.14578/jkfs.2015.104.3.352
This study was conducted to evaluate how the special protection area designations of degraded trails effect on the soil and vegetation recovery of degraded trails. The study areas were established on an opened trail and a 16-year closed trail, which was prohibited to enter after the designation as a special protection area for recovery, at Bukhansan National Park. Soil core sampling and measurements of vegetation cover were performed to compare soil and vegetation properties of the trails. Soil bulk density increased and soil water total nitrogen decreased on the opened trail, while no significant differences were found on bulk density, soil water, total nitrogen, acidity, and organic matter on the closed trail. On the opened trail, vegetation cover was seemed to be degraded, because vegetation litter cover ratio was low and barren rock cover ratio was high. On the closed trail, litter rock barren cover ratio of the closed trail was recovered, but only limited recovery was found on vegetation cover by applying environmental damage condition rating class. In conclusion, the closed trail was recovered by designation of special protection area, while difference in recovery progress of soil and vegetation was found. Therefore, designation of special protection area of degraded area should be based on scientific basis of recovery characteristics of the area. In order to improve the effectiveness of special protection area system, further specific standards for special protection area designation and management would be needed, considering ecological and social importance of target areas.
A Study for Continue and Decline of Abies koreana Forest using Species Distribution Model - Focused in Mt. Baekwun Gwangyang-si, Jeollanam-do -
Cho, Seon-Hee ; Park, Jong-young ; Park, Jeong-Ho ; Lee, Yang-Geun ; Mun, Lee-man ; Kang, Sang-Ho ; Kim, Gwang-Hyun ; Yun, Jong-Guk ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 360~367
DOI : 10.14578/jkfs.2015.104.3.360
The present study investigated the habitats of Korean fir trees (Abies koreana E. H. Wilson) on Mt. Baekwun (Baekwun-san), determined the current distribution, quantified the contribution of biological and non-biological environmental factors affecting the distribution, derived actual and potential habitats, presented a plan for the establishment of protected areas, applied RCP 8.5 climate change scenario to analyze the effects of climate change on the future distribution of Korean fir trees, and predicted future potential habitats. According to the results of the study, 3,325 Korean fir trees (DBH >
Classification of Forest Types and Estimation of Succession Index in the Natural Forest of Jirisan(Mt.)
Lim, Seon-Mi ; Kim, Ji-Hong ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 368~374
DOI : 10.14578/jkfs.2015.104.3.368
On the basis of vegetation data by point quarter sampling method, the natural forest of Jirisan(Mt.) was classified into eight forest types by cluster analysis. They were Quercus mogolica forest type, Fraxinus mandshurica - Betula costata forest type, Mixed mesophytic forest type, Abies koreana forest type, Carpinus laxiflora forest type, Quercus serrata forest type, Pinus densiflora forest type, and Quercus variabilis forest type. Then, succession index was estimated for each forest type so as to evaluate succession process comparatively among forest types. The results showed that Carpinus laxiflora forest type had highest succession index of 219.7, followed by Mixed mesophytic forest type with little difference of the index of 218.3. Pinus densiflora forest type had lowest index. Succession indices were hardly correlated with species diversity indices of forest types. We presumed that the higher value of succession index a forest type had, the closer toward the climax forest. However, the estimated index was not supposed to be absolute level of successional stage, but it could play a role of comparative assessment in the position of the seral stage among forest types.
Forest Type Classification and Ecological Characteristics for Areas of Cheonwangbong, Songnisan
Chung, Sang Hoon ; Hwang, Kwang Mo ; Sung, Joo Han ; Kim, Ji Hong ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 375~382
DOI : 10.14578/jkfs.2015.104.3.375
We classified the forest type and figured out the ecological characteristics for each of the types in order to provide the basic informations for being induced ecologically efficient forest practice plan by vegetation units in the natural forest of Songnisan. We established the 250 sample points and collected the vegetation data of vertical distribution for each sample. A variety of multivariate statistical methods were applied to classify the forest types. The species diversity index were analyzed to estimate the stability and maturity for forest vegetation in each the type. The types were divided from two to ten clusters by cluster analysis. The appropriate number of clusters was estimated five clusters by indicator species analysis. It was verified through the multiple discriminant analysis that the estimated number of clusters had been suitable. Based on the species composition for each the type, this study site was classified into five forest types: 1) Quercus serrata and 2) mixed mesophytic forest in the valley area, 3) Q. mongolica forest in the main ridge, 4) Pinus densiflora forest in the sub-ridge extending from the main, and 5) Q. variabilis-P. densiflora forest between the sub-ridge and valley. The species diversity index of the pine forest that had been a simple species composition was the lowest while that of the mixed mesophytic forest of which the composition had been diverse was the highest. As the forest vegetation was more varied, the index showed a tendency to increase.
The Study of Mountain Ginseng-added High Fat Diet on Anti-Apoptosis of Skeletal Muscle
Seo, Hyobin ; Kim, Pan-Gi ; Ryu, Sungpil ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 383~389
DOI : 10.14578/jkfs.2015.104.3.383
The purpose of this study was to investigate the anti-apoptosis-related protein expression in skeletal muscle of rats with different amount of mountain ginseng (MG) added high-fat diet fed. Twenty-four Sprague Dawley male rats were divided into the high-fat diet control group (CON), 0.5% of MG added diet group (MG1), and 1.0% of MG added diet group (MG2) with eight rats each. The P53, anti-apoptotic protein, was significantly lower in MG2 than CON and MG1. The bcl-2 and bcl-xl, however, were not significantly different from MG1 but from CON. The caspase-9 and -3, were significantly lower in MG groups than CON. In addition, it was dramatically lower in MG2. These results suggested that MG addition to the high-fat diet suppressed p53 protein expression and enhanced anti-apoptototic protein expression. MG may be a positive effects on health as a medicinal plant.
Characteristics of Seedling Quality of Daphniphyllum macropodum 2-year-old Container Seedlings by Shading Level
Song, Ki Seon ; Choi, Kyu Seong ; Sung, Hwan In ; Jeon, Kwon Seok ; An, Kyoung Jin ; Kim, Jong Jin ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 390~396
DOI : 10.14578/jkfs.2015.104.3.390
This study was carried out in order to closely examine quality index by shading level of 2-year-old (1-1 seedling) container seedling of Daphniphyllum macropodum which is known as the species of having shade tolerance that is evergreen broad leaved tree in the warm temperate region. The shading treatment was regulated with the shading level of full sunlight, and 35%, 55%, 75%, 95% of full sunlight. As a result of surveying growth according to the shading level, both height and root collar diameter were surveyed to be the highest with 45.1 cm and 8.22 mm, respectively, under 75% of shading. The next was surveyed to be 43.2 cm & 8.05 mm and 42.5 cm & 7.98 mm, respectively, in order of 35% and 55% in shading. Leaf, shoot, root, and whole dry mass production were the highest under 75% of shading. The next was higher in leaf, stem, and whole dry mass production under 55% of shading. A root was higher under 35% of shading in the next. H/D ratio was the range of 5.29~5.35 under the 35~75% shading that showed the relatively high height and root collar diameter. T/R ratio was the lowest with 1.17 under 35% of shading. It was 0.41 under 95% of shading as for LWR, 0.24 under 75%-95% of shading as for SWR, and 0.46 under full sun and 35% shading as for RWR. QI was the highest with 3.74 under 75% of shading. As a result of surveying the whole experiment, it is concluded that the production of D. macropodum seedling is more effective under 75% shading
Bioactive Component Analysis and Antioxidant Activity in Fresh Sprout of New Kalopanax septemlobus Cultivar
Song, Jeong-Ho ; Kim, Hyeusoo ; Kim, Moon-Sup ; Kim, Sea-Hyun ; Lee, Jin-Tae ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 397~402
DOI : 10.14578/jkfs.2015.104.3.397
This study was carried out to analyze the nutritional composition, bioactive compound and antioxidant activity in fresh sprout of 3 new Kalopanax septemlobus cultivars. Cheong-San, Cheong-Song and Cheong Sun 1 had largest carbohydrate (52.90, 53.12, 55.28%), crude protein (34.23, 31.33, 33.58%) in the proximate composition and had largest K (2.29, 2.22, 2.23%) followed by Ca (0.44, 0.34, 0.37%), Mg (0.24, 0.19, 0.19%) in the mineral contents. Three new cultivars contained a total of 26, 25 and 28 different kinds of amino acids, respectively and the number of essential amino acid is 6, 6 and 7 species, respectively. Also, Cheong-San had higher total polyphenol contents and Cheong-Song had higher total flavonoid contents. DPPH free radical scavenging activity of 70% ethanol, water extracts of Cheong-San and Cheong-Song is higher than others at 100 ppm. In the ABTS radical cation decolorization activity, 70% ethanol extract of Cheong Sun 1, water extract of Cheong-San and Cheong-Song are higher activity than others and all samples have more than 85% ABTS racial cation decolorization activity at 500 ppm. Our results suggest that new K. septemlobus cultivars possess good antioxidant capacities with a high nutritional value and might have potential applications in the food and medical industries.
Influenced on Analysis of Characteristics of Forest Environmental Factors on Debris Flow Occurrence
Park, Jae-hyeon ; Kang, Min-Jeong ; Kim, Ki-Dae ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 403~410
DOI : 10.14578/jkfs.2015.104.3.403
This study was conducted to analyze the forest environmental characteristics on a total of 20 forest environmental factors affecting the debris flow against 272 sites of risk areas. In the case of environmental factors, it showed the high risk of debris flow under the following conditions such as soil depth of less than 30cm, west slope, altitude of 200~300 m, mountain average slope of
, sandy loam, igneous rocks, and composite slope. Among the rainfall factors, 50~100 mm of maximum hourly rain fall and 300 mm of maximum rain fall per day have been shown the high risk of debris flow. Furthermore, the high risk of debris flow was related to the river-bed average slope of
, the river-bed average width of >10 m, the small amount of debris in river-bed (less than 20% of river-bed structure), the drainage density of >
, the 40~60% of area with more than
slope, and the 40~60% of areas with risk grade 2 of landslide. In addition, forest environmental factors including the driftwood, soil erosion control structures, age-class 3, crown density (density), and mixed forest were important factors causing the high risk of debris flow.
The Necessity and Method of Stand Density Control Considering the Shape Ratio of Pinus thunbergii Coastal Disaster Prevention Forests in South Korea
Kim, Suk-Woo ; Chun, Kun-Woo ; Park, Ki-Hyung ; Lim, Young-Hyup ; Yun, Ju-Ung ; Kwon, Se-Myoung ; Youn, Ho-Joong ; Lee, Jin-Ho ; Teramoto, Yukiyoshi ; Ezaki, Tsugio ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 411~420
DOI : 10.14578/jkfs.2015.104.3.411
This study examined methods for stand density control by using shape ratio (tree height/DBH) and its application for effective management of Pinus thunbergii coastal disaster prevention forests. We analyzed the present conditions (height, DBH, and density) of P. thunbergii coastal disaster prevention forests at 123 study sites on Jeju Island and west, south, and east coasts of South Korea and compared them with results from previous studies. The average shape ratio for P. thunbergii showed positive correlations with stand density and was significantly higher on the west coast (66.32) than on the south (49.57) and east (48.19) coasts and Jeju Island (48.29). Stands with shape ratio higher than 70 accounted for 50% of the total study sites on the west coast, indicating a decrease in their disaster prevention function compared to that of other previous studies. The stand density in most coastal areas, except the east coast, was significantly higher than the standards recommended by the Korea Forest Service and the Forestry and Forest Products Research Institute of Japan, indicating the need for stand density control. According to the growth estimation equation for P. thunbergii in the coastal area of South Korea, density control is required for young stands less than 14 years old, which show drastic increase in the shape ratio, to conserve their disaster prevention function. Particularly, the first thinning of P. thunbergii forests should be implemented before the stand age of 8 years that a shape ratio exceeds 70. For disaster-prone young stands (
DBH) of P. thunbergii, the stand density was higher in the standard of Japan considering shape ratio than in that of Korea aiming timber production. Hence, the standard guidelines employed in Japan, which assign higher importance to disaster prevention function based on field surveys, can be applied effectively for controlling the stand density of P. thunbergii coastal forests in South Korea, to improve their disaster prevention function.
Assessment and Prediction of Stand Yield in Cryptomeria japonica Stands
Son, Yeong Mo ; Kang, Jin Taek ; Hwang, Jeong Sun ; Park, Hyun ; Lee, Kang Su ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 421~426
DOI : 10.14578/jkfs.2015.104.3.421
The objective of this paper is to look into the growth of Cryptomeria japonica stand in South Korea along with the evaluation on their yields, followed by their carbon stocks and removals. A total of 106 sample plots were selected from Jeonnam, Gyeongnam, and Jeju, where the groups of standard are grown. We only used 92 plots data except outlier. As part of the analysis, the Weibull diameter distribution was applied. In order to estimate the diameter distribution, the growth estimation equation for each of the growth factors including the height, the diameter at breast height, and the basal area was drafted out and the verification for each equation was examined. The site index for figuring out the forest productivity of Cryptomeria japonica stand for each district was also developed as a Schumacher model and 30yr was used as a reference age for the estimation of the site index. It was found that the site index for Cryptomeria japonica stand in South Korea ranges from 10 to 16 and this result was used as a standard for developing the stand yield table. According to the site 14 in the stand yield table, the mean annual increment (MAI) of the Cryptomeria japonica reaches
on its 25yr and its growing stock is estimated to be at
. This volume is about
as high as that of the Chamaesyparis obtusa. Furthermore, the annual carbon absorptions for a Cryptomeria japonica stand reached the peak at 25yr, which is 2.14 tC/ha/yr,
. When compared to the other conifers, this rate is slightly higher than that of a Chamaecyparis obtusa (
) but lower than that of the Pinus koraiensis (
) and Larix kaempferi (
). With such research result as a base, it is necessary to come up with the ways to enhance the utilization of Cryptomeria japonica as timbers, besides making use of their growth data.
Method of Establishing Two-Storied Forests in Natural Deciduous Forests by Stand Structure Adjustment in Pyeongchang Area
Sung, Joo Han ; Lee, Young Geun ; Park, Ko Eun ; Shin, Man Yong ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 427~433
DOI : 10.14578/jkfs.2015.104.3.427
This study was conducted to provide a method of establishing two-storied forests by the adjustment of stand structures in natural deciduous forests of Pyeongchang area. Three permanent sampling plots of 0.09 ha were established in study site and some tree variables were measured in each sampling plot before the treatment of two-storied system. Stand attributes and stand structures before treatment were estimated based on the data measured in sampling plots. The results indicate that the current stand status is different from typical stand structures of two-storied forests. A simulation technique was applied to predict stand attributes and stand structures after the treatment of two-storied system. Results suggest that significant time is required to accomplish target stand structures even after applying the treatment of two-storied system. Number of trees in the upper canopy class after treatment was predicted to be 170 trees/ha, which adequately meets the target of two-storied forests. It was predicted, however, that the lower canopy class trees has much less trees compared with the typical stand structures of two-storied forests. This problem could be solved with ingrowth of infant trees over time or by under-planting of tolerant species. It is confirmed that the target growing stock volumes of the upper canopy class should be approximately
considering stand status after treatment. It is predicted that twenty years of conversion period is required to accomplish this goal. The changes in stand structures over time should be assessed based on stand inventory carried out every five years, and additional treatments for inducing two-storied forests should be applied if necessary.
Cultivation Processes and Yield of Lentinula edodes on Surface Sawdust Bed
Koo, Chang-Duck ; Lee, Hwa-Yong ; Lee, Hee-Su ; Park, Yong-Woo ; Kim, Je-Su ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 434~442
DOI : 10.14578/jkfs.2015.104.3.434
The process of cultivation and production of oak mushroom (Lentinula edodes (Berk.) Pegler) on sawdust surface beds were investigated. Sawdust surface bed cultivation is the method by which oak mushrooms are cultured and produced on sterilized sawdust surface bed without using bags. The bed was made by inoculating with 3 to 1 ratio of bed sawdust to oak mushroom mycelial inoculum. The sawdust bed medium with 65% water content was pasteurized at
, inoculated with sawdust spawn and spread on the surface on vinyl film in cultivation shed. During 78 days of cultivation period, water content in the medium varied from 61 to 72%, its pH decreased from 5.6 to 3.9~4.6 and ergosterol concentration increased to
concentration in the medium rapidly increased to 8.06% in two weeks. In seven weeks the medium surface started browning and
concentration increased to about 5.63%. Until 11th week the
concentration was maintained at 6~7%. After removing the plastic cover on the bed for ventilation in 12 weeks,
within the bed reduced dramatically to 1.5%. In the cultivation shed the internal temperature was
and humidity was 27.3 to 100%, while bed temperature ranged
. Oak mushroom fruiting started from late July, in 120 days after bed establishment in late March and continued for approximately 100 days until early December with eight cycles of irrigation treatment. The mushroom yield of the eight cycles were 288~352 kg during the 1st (7/29~8/4) to 3rd cycle (9/3~9/7), 800 kg at the 4th cycle (9/19~9/24), 1,296~1,853 kg during 5th (10/3~10/8) to 7th cycle (4.11~11/9) and 990 kg at 8th cycle (11/23~12/7). Total production was approximately 7.4 tons from 33.0 tons of oak sawdust medium, thus harvest efficiency of the mushroom production was approximately 22.4%.
A Study on the Management Plan of Hongneung Forest Based on Visitor Monitoring
Choi, Ga Young ; Kim, Tongil ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 443~453
DOI : 10.14578/jkfs.2015.104.3.443
In 1922, Hongneung forest was established to support the study of Korean forestry. Nowadays the forest also plays a role as urban forest which provides a green space for local people. This paper proposes the better management plan of Hongneung forest based on visitor monitoring. On-site surveys with a structured questionnaire were carried out from August to November in 2014 and total 750 data were analyzed. The survey results are as follows: 1) Visitors were inclusive of all age groups and most of them lived nearby Hongneung forest, 2) Visitors used the forest mainly for recreational purposes and recognized the forest as `Green space` rather than `experimental forest`, 3) Visitors had great satisfaction from the forest visit and raised the necessity of more environment education and promotion of the program. Based on the results, the following solutions have been suggested: 1) Environment education will help visitors to raise awareness on the importance of Hongneung forest which plays a role as both experimental and urban forest, 2) Systematic visitor monitoring can contribute to efficient visitor management and administration of the areas. In conclusion, it is necessary to establish a visitor management system that enable to achieve a harmonization between nature conservation and recreational demands as well as to improve management of natural resource and service.
A Study on Networks of Stakeholders to Manage Korean Major Forest Trails
Kim, Jae-Hyun ; Chang, Chu-Youn ; Kim, Jae-Jun ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 454~465
DOI : 10.14578/jkfs.2015.104.3.454
This research analyzed characteristics of networks among stakeholders related to forest trail management. Results of analysis showed that Jiri way and Uljin trail had council-led network. As both trails were supported by government, the government had much power to make decisions and manage trail. But parts that mediated differences of interests among various stakeholders were insufficient. To manage forest trails effectively, it is necessary that hub organization which can have networks and make decision considering different interests have to develop and it have to authorize hub organization to take a right role for management of forest trails.
The Educational Needs Analysis on Migration to Mountains Area by City Dwellers
Chang, Chu-youn ; Kim, Jae-hyun ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 466~475
DOI : 10.14578/jkfs.2015.104.3.466
The purpose of this study was to investigate the educational needs targeted at city dwellers with hope of migration to mountain areas. 80 city dwellers participating in the education program operated by Korea Forestry Promotion Institute were selected. Results showed that city dwellers had higher preference for the education including medium scale(20-40 persons)and the type of camp with field experience. Real experiences and knowledge and understanding of migration to rural area are the most important element of the qualifications of the program teachers. In the contents of education, city dwellers wanted the teaching programs about `how to have forest land`, `how to produce the forest products`, `field experience` and `forest tourism` and so on. In other words, city dwellers who wanted to move to mountain areas were interested in basic things for living. In addition, it will need to investigate people who have real experiences migrating to mountain areas and then it is necessary to discuss educational needs and supporting system helping people can settle in mountain areas.
Does Baekdu-daegan Mountain System Has Enough Values for World Heritage Inscription?
Kim, Seong-il ; Chang, Chin-Sung ; Shadie, Peter ; Park, SunJoo ; Lee, Dong-Ho ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 476~487
DOI : 10.14578/jkfs.2015.104.3.476
This study was conducted to analyze the potential of Baekdu-daegan Mountain System (BDMS) in the Republic of Korea for World Heritage inscription and undertook preliminary global comparative analysis. UNEP WCMC global datasets, World Heritage global gap analyses and thematic studies conducted by IUCN were reviewed to see if the BDMS could have been identified within these as a priority area for World Heritage. With respect to potential Outstanding Universal Value this study found that the case for BDMS was weak. The BDMS lies within biogeographic regions which are already represented on the World Heritage List and at a global scale its natural values do not stand out. It was emphasized that a more fine scale analysis of the values should be undertaken. The BDMS stands out at a global scale in terms of the degree of contiguity between protected areas along its length and the legal and institutional frameworks established in the Republic of Korea. The BDMS has potential for a trans-national and serial properties along the full length of the BDMS, if two Koreas agree to work together.
The Development and Application of Standard Diagnostic Table for Astringent Persimmon Management
Jeon, Jun-Heon ; Lee, Seong-Youn ; Lee, Jung-Min ; Ji, Dong-Hyun ; Oh, Chan-Jin ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 488~494
DOI : 10.14578/jkfs.2015.104.3.488
This study aims to develop and apply a standard management self-diagnostic table for forestry households to better manage their astringent persimmon production. The diagnostic table consisted of 3 categories (general status of a forestry household, management performance indicators, level of management) and 18 subcategories. The current management status across 241 households was surveyed among 10 chief astringent persimmon producing municipalities. Scores from the 18 subcategories were aggregated for a total score to evaluate and compare different levels of management. The respondents scored an overall average of 57.4, 62% of which were placed between 40 and 60. Upon close examination Chungcheongnam-do scored a very low score in the `management system-tree height` subcategory with respect to the average score potentially because of the large population of aged trees in the region. The national average in the `production skills-time of fruit load adjustment` subcategory was only 1.96 because unlike sweet persimmons astringent persimmons adjust their own load by inducing physiological fruit drop. The national average in the `management/sales skills-material purchase` subcategory was 2.01; over 60% of the respondents indicated a preference for independent selection and purchase for most materials. The households preferring a group purchase tended to utilize the regional co-op.
Income Analysis on the Cultivation of Major Medicinal Herbs
Kang, Hag Mo ; Chang, Cheol Su ; Kim, Hyun ; Choi, Soo Im ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 495~502
DOI : 10.14578/jkfs.2015.104.3.495
This study intended to provide basic data required in establishing policies for improving the forestry management and the compensation standard for the loss from non-timber forest products by examining the cost of cultivating key medicinal herbs and the earnings from them to analyze the income. According to the income analysis on the cultivation of medicinal herbs, the average annual income per unit area of Adenophora triphylla var. japonica Hara was the highest as it recorded 14,233,000 won/10a and was followed by Pleuropterus multiflorus TURCZ. which recorded 4,121,000 won/10a, Gastrodia elata Blume 3,766,000 won/10a, Epimedium koreanum Nakai 3,537,000 won/10a, Atractylodes ovata (Thunb.) DC. 2,655,000 won/10a, Aralia continentalis Kitagawat 1,048,000 won/10a, Paeonia lactiflora Pallas 1,025,000 won/10a, and Bupleurum falcatum L. 919,000 won/10a. Compared with the income from major nuts and fruits analyzed in 2014, the average annual income per unit area for medicinal herbs was relatively higher. For Adenophora triphylla var. japonica Hara and Aralia continentalis Kitagawat, soots are used for food and the roots for medicine, it appears that it can become a new income source for the farming and mountain villages. Meanwhile, the price for Paeonia lactiflora Pallas is dropping due to Chinese imports, and also damage to the income from other medicinal herbs due to Chinese imports is expected with the implementation of Korea-China FTA in the future.
A study on the Introduction Plans of Forest Land Bank System
Kim, Jong-ho ; Kim, Won Kyung ; Kwon, Soon-duk ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 503~511
DOI : 10.14578/jkfs.2015.104.3.503
The purpose of this study is to suggest the introduction plans of forest land bank system for effective forestry management as well as the livelihood stability support of aged forest landowners. It is expected that forest land bank system can contribute to solve forestry management problems caused by small and scattered forest lands, aging forest landowners, and the increase of absentee forest landowners. This study examined an existing related case of Farmland Bank system, and suggested basic directions, main functions, priority, and agency for forest land bank system. The goals of forest land bank system include activating private forest land management, improving forest management scale, and supporting stable forestry income. Based on the examination of this study, main projects of forest land bank involve forest land sale and lease consignment, forest land reverse mortgage, forest land scale improvement project, and forest business recovery support program. In addition, this study discussed potential problems and their solutions in introducing and operating the forest land bank system. This study can play a key role to determine a basic direction and to establish policies of the forest land management.
Selection and Characterization of Bacillus licheniformis MH48 for the Biocontrol of Pine Wood Nematode (Bursaphelenchus xylophilus)
Jeong, Min-Hae ; Yang, Seo-Young ; Lee, Yong-Sung ; Ahn, Young-Sang ; Park, Yun-Serk ; Han, Hye-rim ; Kim, Kil-Yong ;
Journal of Korean Forest Society, volume 104, issue 3, 2015, Pages 512~518
DOI : 10.14578/jkfs.2015.104.3.512
Pine wilt disease (PWD) caused by pine wood nematode, Bursaphelenchus xylophilus, has become the most serious threat to pine trees in Korea. This study was subjected to investigate effective biological control agent against PWD. To select nematocidal bacteria against PWD, Bacillus licheniformis MH48 was selected among five bacteria due to its high nematocidal potential. B. licheniformis MH48 was tested for cell growth and protease activity to evaluate its nematicidal potential. In the B. licheniformis MH48, cell numbers were highest three days after incubation, while protease activity was highest after seven days. In the effect of different concentrations of B. licheniformis MH48 culture broth against B. xylophilus, 20% concentration of culture broth showed approximately 80% of pine wood nematode mortality compared to the control. Especially, pine wood nematode`s cuticle layers were degraded two days after treatment of B. licheniformis MH48 culture broth. The present study suggests that B. licheniformis MH48 can be one of the potential biocontrol candidates against pine wood nematode due to its ability to produce protease.