• 제목/요약/키워드: Forest Resources

검색결과 4,092건 처리시간 0.033초

Forest income and inequality in Kampong Thom province, Cambodia: Gini decomposition analysis

  • Nhem, Sareth;Lee, Young Jin;Phin, Sopheap
    • Forest Science and Technology
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    • 제14권4호
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    • pp.192-203
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    • 2018
  • This study analyzed the distribution of forest income and other variable sources of rural household income and considered their importance for the reduction of income inequality and poverty. We employed Gini decomposition to measure the contribution of forest income and other sources of income to income equality and assess whether they were inequality-increasing or inequality-decreasing in the 14 villages. The forest income Gini correlation with total income was very high, $R_k=0.6960$, and the forest income share of total rural household income was 35% ($S_k=0.3570$). If the income earned from forest activities was removed, the Gini index would increase by 10.3%. Thus, if people could not access forest resources because of vast deforestation, perhaps from the limitations of government-managed forestry, unplanned clearing of forest land for agriculture or the granting of ELCs, there would be an increase in income inequality and poverty among rural households. The findings suggest that policy makers should look beyond agriculture for rural development, as forest resources provide meaningful subsistence income and perhaps contribute to both preventing and reducing poverty and inequality in rural communities. The study found that non-farm activities were inequality-increasing sources of income. The share of non-farm income to the total rural household income was $S_k=0.1290$ and the Gini index of non-farm income was very high, $G_k=0.8780$, compared with forest and farm income. This disagrees with other studies which have reported that non-farm income was inequality-decreasing for the rural poor.

산림체험 프로그램이 정신과 입원환자의 심리·생리 상태에 미치는 영향 (The Influence of Forest Experience Program on Physiological and Psychological States in Psychiatric Inpatients)

  • 김민희;위안진;윤병선;심봉섭;한영훈;오은미;안기완
    • 한국산림과학회지
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    • 제104권1호
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    • pp.133-139
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    • 2015
  • 현대사회에서 우리는 스트레스에 둘러싸여 자연과 단절된 삶을 살아가고 있으며 이는 여러 질환의 발병원인이 되고 있다. 또한 과거에 비하여 정신건강문제 경험자 수와 정신의료기관 입원환자의 수도 증가하였다. 이에 본 연구는 산림체험 프로그램이 정신과 입원환자의 기분상태와 우울 및 스트레스정도에 미치는 영향을 알아보기 위하여 수행하였다. 나주시 N병원의 정신과에 입원 중인 실험군 12명과 대조군 13명을 대상으로 2013년 5월 20일부터 29일까지 5회에 걸쳐 산림체험 프로그램이 실시되었으며, 기분상태 검사지(K-POMS-B)와 Beck 우울검사지(BDI) 및 타액을 활용하여 그 효과를 검증하였다. 연구결과, 산림체험 프로그램에 참여한 환자의 경우 우울상태가 호전되고 스트레스가 감소되었으며, 스트레스 감소효과는 통계적으로 유의하였다(p<0.01).

임간재배 시 광조절과 부엽토 처리에 따른 삽주의 생육 및 광합성 특성 (Growth and Photosynthetic Characteristics of Atractylodes japonica by Light Controls and Leaf Mold Treatment in Forest Farming)

  • 전권석;송기선;최규성;김창환;박용배;김종진
    • 한국약용작물학회지
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    • 제23권2호
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    • pp.161-167
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    • 2015
  • This study was carried out to determine the effects of light controls and leaf mold on root growth and physiological responses of Atractylodes japonica growing in forest farming. The experiment was performed by light controls (100%, 62.5%, 40.3% and 19.7% of full sunlight) and application of leaf mold to soil. Height, stem diameter, number of flower buds and root collar diameter were the highest in leaf mold within 62.5% of full sunlight (relative light intensity 62.5%). And these were the higher in leaf mold within each light level. As the shading level increased, light saturation point and maximum photosynthesis rate decreased. As the light level decreased, SPAD value increased in control and leaf mold. As a result of surveying the whole experiment, A. japonica was judged worse root growth under the lower light level. It was concluded that the light level was one of the most important factors to produce A. japonica. Also, producing high-quality of A. japonica with the price competitiveness by using leaf mold like the experiment can be an effective way to increase incomes for farmers.

지리산 반야봉 아고산 침엽수림의 생태적 특성 (Ecological Characteristics of Sub-Alpine Coniferous Forest on Banyabong in Mt. Jiri)

  • 조민기;정재민;임효인;노일;김태운;김충열;문현식
    • 한국기후변화학회지
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    • 제7권4호
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    • pp.465-476
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    • 2016
  • This study was conducted to elucidate the ecological characteristics of sub-alpine coniferous forest on Banyabong, Mt. Jiri. Soil pH was 4.20. The contents of organic matter, total N, available P and CEC were 14.15%, 0.43%, 10.1 ppm and $17.17cmol^+/kg$, respectively. Sub-alpine coniferous forest had a relatively soil moisture content with 22.9%. According to the results of importance value analysis, Picea jezoensis (42.7) and Abies koreana (34.0) for tree layer, Rhododendron schlippenbachii (25.5) for subtree layer and Tripterygium regelii (18.4) and Rhododendron mucronulatum (16.6) for shrub layer were high, respectively. Shannon's diversity ranged from 0.3560 to 1.050. Evenness and dominance ranged from 0.398 to 0.733 and 0.267 to 0.601, respectively. A. koreana population had a reverse J-shaped DBH distribution, while P. jezoensis population had a normal DBH distribution. Height growth according to DBH of A. koreana was higher than that of P. jezoensis, which indicate than A. koreana have more effective water use efficiency than P. jezoensis. Annual mean tree ring growth of P. jezoensis and A. koreana showed up 1.792, 1.652, 1.389 mm/yr and 2.081, 1.921, 1.576 mm/yr for small, middle and large diameter tree, respectively.

북한산국립공원의 계류수질 보전 전략(I) (Conservation Strategy on Stream Water Quality in the Mt. Bukhansan National Park(I))

  • 박재현;우보명;김우룡;안현철;조현서;추갑철;김춘식;최형태
    • 한국환경복원기술학회지
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    • 제4권3호
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    • pp.30-37
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    • 2001
  • This study was conducted to investigate physicochemical property changes from July 1998 to August 2001 in Mt. Bukhansan National Park. Four water sampling points were selected to measure the quality of stream water in the northeastern part of the Mt. Bukhansan National Park. The results were summarized as follows; In spring, the average pH of stream water was below the first class of the river water quality standard, while it was normal level in summer. The average electrical conductivity was about 2.3~3.3 times higher in downstream water than in upstream water during spring and summer. The contents of anions($Cl^-$, $NO{_3}^-$, $SO{_4}^{2-}$) were about 1.1~7.4 and 0.4~11.4 times higher in downstream than in upstream water, respectively. These results indicate that water quality was poorer in downstream than in upstream water. We suggest that stream water in the Mt. Bukhansan National Park should be protected from impacts of snow melting mineral particles in spring season and human impacts like wastewater of point source in summer season.

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Morphological Characteristics for Selected Individuals in Cornus kousa BUERG

  • Park Hyung-Soon;Cho Yoon-Jin;Chung Hun-Gwan;Kim Sea-Hyun;Chung Dong-Jun
    • Plant Resources
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    • 제8권3호
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    • pp.235-243
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    • 2005
  • The purpose of this research is to establish basic database on Cornus kousa by way of investigation, analysis and comparison of characteristics of leaf and flower, then fostering good cultivar on each morphological characteristics - leaf length, leaf width, petiole length, left lateral vein, right lateral vein. Leaf length and leaf width in Mt. Jiri shows big tendency which is 83.5 mm, 52.4 mm each in comparison with the whole mean of 72.5 mm, 41.2 mm, whereas populations of Suwon and Mt. Halla has leaf length of 66.0 mm, 65.7 mm - 9.8%, 10.4% lower value in comparison with seven mean population; leaf width is 38.4 mm, 35.3 mm - 7.3%, 16.7% lower than whole mean and shows lowest tendency among seven selected populations. Long width of flower and short width of flower in Boeun shows big tendency which is 99.9mm, 96.5 mm each in comparison with the whole mean of 76.0 mm, 73.6 mm, whereas populations of Mt. Halla has 50.1 mm, 48.2 mm which shows lowest tendency. On petal length, petal width and length of flower petiole, Boeun populations have bigger and Mt. Halla shows little tendency. The measurement result of flower colors on each population by using Spectrum Color Mater shows followings: populations of Mt. Duckyoo and Mt. Halla shows lower lightness than any other populations, but wholly shows higher lightness which is refers brightness in seven selected populations. Thus it shows peculiarities of white flower color.

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