首页期刊导航|Journal of Korean Forest Society
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Journal of Korean Forest Society
Korean Forestry Society
Journal of Korean Forest Society

Korean Forestry Society

0445-4650

Journal of Korean Forest Society/Journal Journal of Korean Forest Society
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    Contribution of Tree Plantation, Tree Breeding and Soil Erosion Control Techniques Developed During Saemaul Undong Periods to the Successful Forest Rehabilitation in the Republic of Korea

    Don Koo LeeKi Cheol KwonKyu-Suk Kang
    9页
    查看更多>>摘要：This study was aimed to investigate the contribution of tree plantation, tree breeding and soil erosion control techniques developed during Saemaul Undong periods to the successful forest rehabilitation in the Republic of Korea. We surveyed a variousliterature of forest journals and had deep interview with forest experts who were actively involved in the forest rehabilitation projects. In the Republic of Korea, the forest rehabilitation was started with Saemaul Undong in 1970s and carried out to make the country green and to restore degraded forest lands by supports of tree plantation, tree breeding and soil erosion control techniques. Various techniques such as seed storage, seedling production, mass vegetative propagation (grafting and cutting) and special planting at denuded land or slash and burn site were developed for tree plantation. All techniques developed for the forest rehabilitation were connected with Saemaul Undong which caused active participation of local community people. Therefore, the development of tree plantation, tree breeding and soil erosion control skills had great impact on the job creation and income sources of local dwellers. It would be an applicable case to developing countries suffering with deforestation and forestdegradation if the Korean skills developed for forest rehabilitation could be transferred.
      原文链接:
    • NSTL

    Fertilization Effects on Allometric Equations and Biomass in a Moso Bamboo (Phllostachys pubescens) Stand

    Chang-Gyu JoGyeongwon BaekByung Oh YooSeong-Wan Park...
    8页
    查看更多>>摘要：This study was carried out to determine fertilization effects on allometric equations and biomass production in a Moso bamboo (Phllostachys pubescens) stand of the Gajwa National Experimental Forests, Jinju, Korea. The study site was fertilized for approximately 30 years to produce edible bamboo shoots. Total 20 bamboos (10 fertilized and 10 unfertilized) were cut to develop allometric equations and to estimate biomass accumulation of each bamboo component. Allometric equations of each bamboo component in the fertilized and unfertilized plots were significant (P < 0.05) with diameter at 20 cm from ground (D20), diameter at breast height (DBH), culm height (H), and DBH2H. Aboveground biomass estimated by the allometric equations (DBH) was significantly higher in the unfertilized plots (106.38 Mg ha"1) in culm density of 6,833 culm ha"1 than in the fertilized (57.68 Mg ha"') plots in culm density of 4,633 culm ha". The proportion of each biomass component was culm (79%), followed by branches (14%) and leaf (7%) in the fertilized plots, whereas it was culm (81%), followed by branches (13%), and leaf (6%) in the unfertilized plots. The results indicate that aboveground biomass accumulation in a Phllostachys pubescens stand was little affected by fertilizer application because of the difference of culm density.
      原文链接:
    • NSTL

    Nutrient Distribution of Culm, Branches and Leaf in Phyllostachys bambusoides and Phyllostachys nigra var. nenosis

    Seong-Wan ParkGyeongwon BaekHyun-Seo ChoByung Oh Yo...
    9页
    查看更多>>摘要：This study was carried out to determine effects of bamboo species on the distribution of nutrients in aboveground biomass of Phyllostachys bambusoides and Phyllostachys nigra var. nenosis, Damyanggun, Korea. The study site was established around 40-year-ago to produce bamboo culm and edible shoot production. Total 28 bamboos (14 P. bambusoides and 14 P. nigra var. nenosis) were cut to measure nutrient concentration of each bamboo component, such as culm, branches and leaf. Magnesium concentration ineach bamboo component was significantly higher in the P. bambusoides than in the P. nigra var. nenosis. Nutrient concentrations except for calcium were significantly higher in the current-year-old bamboos than in the > 1-year-old bamboos. The nutrient concentration in leaf was generally highest in carbon, followed by potassium or nitrogen, phosphorus, calcium or magnesium. Total nutrient content in each bamboo component was significantly higher in the P. bambusoides than in the P. nigra var. nenosis. The nutrient content of bamboo biomass was the highest in carbon, followed by potassium, nitrogen, phosphorus, magnesium and calcium. The results indicate that P. bambusoides uptakes more nutrients compared with P. nigra var. nenosis during growth development.
      原文链接:
    • NSTL

    Physiological Responses to Drought Stress of Seven Evergreen Hardwood Species

    Eon-Ju JinMin-Gi ChoEun-Ji BaeJunhyeong Park...
    11页
    查看更多>>摘要：This research aims to analyze and compare the drought resistance of 7 species of landscape trees commonly grown in Korea. The 7 species are: Camellia japonica, Rhaphiolepis indica, Quercus glauca, Machilus thunbergii, Daphniphyllum macropodum, Dendropanax morbifera and Cinnamomum camphora. In order to analyze their drought resistance, the samples were left without irrigation for 30 days (05/09/2016 ~ 05/10/2016), during which period their respective drought resistor, relative water content, electrolyte elution figures and proline content were measured. As the non-irrigation proceeded, C. camphora was the first to wither, followed by D. morbifera, then D. macropodum, then M. thunbergii, then Q. glauca, then R. indica then finally C. japonica. Of the7 species, Q. glauca, C. japonica and R. indica can be considered highly drought resistant, since they survived for longer than 3 weeks without irrigation. Relative water content (RWC) plummeted dramatically after the first 15 days of non-irrigation. Whereas RWC readings of C. camphora, D. morbifera, D. macropodum and M tunbergii dropped by 40% or more, the other 4 species reported a relatively low rate of decrease at 20% or lower. The Camellia japonica, the R. indica and Q. glauca, which were the species with relatively high drought resistance, showed low proline content and electrolyte elution figures, whereas those of C. camphora, D. macropodum, D. morbifera and M. tunbergii were higher. Analysis through the nonlinear regression analysis logistic model showed that non-irrigation proved fatal for the 7 sample species in a range of 22.7 to 37.6 days. The C. japonica, R. indica, Q. glauca and M. tunbergii demonstrated a high drought resistance of 30 days or longer, whereas C. camphora, D. morbifera and D. macropodum had a low resistance of 25 days or less to drought from lack of water. In conclusion, out of the 7 species of broad-leaved evergreen trees tested, C. japonica, R. indica and Q. glauca seem to be suitable for use as landscape trees, owingto their high drought resistance.
      原文链接:
    • NSTL

    DNA Fingerprinting Analysis of Natural Monument Gingko Trees Using Microsatellite Markers

    Jei-Wan LeeMin-Woo LeeJi Young AhnKyung-Nak Hong...
    9页
    查看更多>>摘要：This study describes DNA fingerprinting analysis of twenty-three natural monument individuals of Ginkgo biloba using eight microsatellite markers. The average number of observed alleles was 6.875, and the expected heterozygosity and the observed heterozygosity were 0.711 and 0.710, respectively. This results were similar to those of the previous studies on Ginkgo trees analyzed by same markers in China and Japan. PIC value and PD were calculated at 0.677 and 0.9999 respectively, indicating a high individual identification efficiency. In fact, all of the natural monument ginkgo trees and additionally analyzed thirteen general ginkgo tress were identified by genotype comparison. PI and PD calculated in three markers (Ging06, Gb60, Gb61) with the highest PIC values calculated in natural monument ginkgo trees were 8.045* 10"5 and 99.99%, respectively. Thus, these three markers could be preferentially used in DNA fingerprinting for identifying ginkgo tree individuals. The results in this study will be useful for management of natural monument ginkgo trees, proliferation of their progeny and genetic identification of individuals selected in breeding process.
      原文链接:
    • NSTL

    Genetic Variation of Korean Fir Sub-Populations in Mt Jhi for the Restoration of Genetic Diversity

    Hyo-In LimHyun-Woo HaSim-Hee HanJi Young Ahn...
    7页
    查看更多>>摘要：To provide a ecological restoration strategy considering genetic diversity of Abies koreana in Mt. Jiri, the genetic diversity and the genetic differentiation among sub-populations such as Banyabong, Byeoksoryeong, and Cheonwangbong were investigated.The average number of alleles {A) was 7.8, the average number of effective alleles (A) was 4.9, observed heterozygosity (H0) was 0.578, and expected heterozygosity (Ht) was 0.672, respectively. The level of genetic diversity within sub-populations (//e=0.672) was lower than those of both population (74=0.778) and species (74=0.759) level. However, the level of genetic diversity was high compared those of Genus Abies. Genetic differentiation was 0.014 from /^-statistics (T^st) and was 0.004 from AMOVA analysis (<Dst). There was no almost genetic differentiation among sub-populations in Mt. Jiri from bayesian clustering. Therefore, If the seeds are sampled sufficiently by selecting the parameters from three sub-populations, it is possible that we couldobtain genetically appropriate materials for ecological restoration.
      原文链接:
    • NSTL

    Examining Velocity Estimation Equations of Debris Flow Using Small-scaled Flume Experiments

    Song EuSangjun Im
    7页
    查看更多>>摘要：With its rapid velocity and wide deposition, debris flow is a natural disaster that causes loss of human life and destruction of facility. To design effective debris barriers, impact force of debris flow should be first considered. Debris flow velocity is one of the key features to estimate the impact force of debris flow. In this study, we conducted small-scale flume experiments to analyze flow characteristics of debris flow, and determine flow resistance coefficients with different slope gradientsand sediment mixtures. Flow velocity significantly varied with flume slope and mixture type. Debris flow depth decreased as slope increased, but difference in depth between sediment mixtures was not significant. Among flow resistance coefficients, Chezycoefficient (Ci) showed not only relatively highest goodness of fit, but also constant value (20.19 m"1'2 s"1) regardless the scale of debris flow events. The overall results suggested that Ci can be most appropriately used to estimate flow velocity, thekey factor of assessing impact force, in wide range of debris flow scale.
      原文链接:
    • NSTL

    International Research Trend on Mountainous Sediment-relatec Disasters Induced by Earthquakes

    Jung-Il Seo.lin-Hak KimDong-Seop RyuJun-Pyo Seo...
    10页
    查看更多>>摘要：The 2016 Gyeongju Earthquake (ML 5.8) (occurred on September 12, 2016) and the 2017 Pohang Earthquake (Ml 5.4) (occurred on November 15, 2017) caused unprecedented damages in South Korea. It is necessary to establish basic data related to earthquake-induced mountainous sediment-related disasters over worldwide. In this study, we analyzed previous international studies on the earthquake-induced mountainous sediment-related disasters, then classified research areas according to research themes using text-mining and co-word analysis in VOSviewer program, and finally examined spatio-temporal research trends by research area. The result showed that the related-researches have been rapidly increased since 2005, which seems to be affected by recent large-scale earthquakes occurred in China, Taiwan and Japan. In addition, the research area related to mountainous sediment-related disasters induced by earthquakes was classified into four subjects: (i) mechanisms of disaster occurrence; (ii) rainfall parameters controlling disaster occurrence; (iii) prediction of potential disaster area using aerial and satellite photographs; and (iv) disaster risk mapping through the modeling of disaster occurrence. These research areas are considered to have a strong correlation with each other. On the threshold year (i.e., 2012-2013), when cumulative number of research papers was reached 50% of total research papers published since 1987, proportions per unit year of all research areas should increase. Especially, the proportion of the research areas related to prediction of potential disaster area using aerial and satellite photographs is highly increased compared to other three research areas. These trends are responsible for the rapidly increasing research papers withstudy sites in China, and the research papers examined in Taiwan, Japan, and the United States have also contributed to increases in all research areas. The results are could be used as basic data to present future research direction related to mountainous sediment-related disasters induced by earthquakes in South Korea.
      原文链接:
    • NSTL

    Measures for Activating Participation of Private Forest Owners in Leading Forest Management Zone

    Young-Hwan KimJae-Soo BaeMin-Woo Cho
    9页
    查看更多>>摘要：Participation of forest owners is essential for effective management of private forests. This study aimed to find a measure to activate participation of private forest owners in the Leading Forest Management Zone (LFMZ). In-depth interview was conducted to check the participation level of forest owners within the LFMZ and the participation level was evaluated based on the Arnstein's eight-rungs theory in this study. The results showed that the participation of private forest owners in the LFMZ is perfunctory and their influence in the decision-making process is quite limited. Therefore, it is necessary to develop a system in which forest owners can involve in the decision-making process in an official manner. In this study, we suggested to make a partnership between local forest manager and private forest owners to discuss management activities and budgets in the LFMZ. However, since only a few active private forest owners were surveyed in this study, it is hard to consider their opinions as thoseof whole forest owners in the LFMZ.
      原文链接:
    • NSTL

    Development of Estimated Equation for Mortality Rates byForest Type in Korea

    Yeong Mo SonJu Hyeon JeonSun Jeong LeeJong Su Vim...
    7页
    查看更多>>摘要：This study was conducted to develop estimated equation for mortality rates (volume of dead trees, %) on coniferous and broad-leaved forests, representative forest types of South Korea. There were 6 equation models applied for estimating mortality suchas a exponential equation, a Hamilton equation and variables using were DBH, basal area, and site index. Raw data used for estimating mortality were 5th and 6th national forest inventory data, and mortality was calculated with the difference of stocks between lived trees and dead trees by each sample plots. The most applicable equation to describe mortality on coniferous forest and broad-leaved forest was indicated as P=(1+e~(a+b x DBH+e x density))~(-1) and their goodness of fit showed 34% and 51% respectively. Goodness of fit in both equations were not much high because there were various factors which affect the mortality such as topographic conditions, soil characteristic, climatic factors, site quality, and competition. Therefore, it is considered that explaining mortality in forest with only 2 or 3 variables like DBH, basal area used in this analysis could be very difficult facts. However, this study is certainly worth in that there is no useful information on mortality by each forest type throughout the country at the present, and we would make an effort to promote the fitness of estimated equation for mortality adding competition index, tree crown density etc.
      原文链接:
    • NSTL