• Title/Summary/Keyword: natural forests

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Resource Characteristics Affecting Recreation Suitability of Natural Recreation Forest (휴양 적합성에 영향을 미치는 자연휴양림의 자원특성)

  • 장병문;서정희
    • Journal of the Korean Institute of Landscape Architecture
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    • v.27 no.4
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    • pp.13-22
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    • 1999
  • The purpose of this research is to examine resource characteristics affecting the overall recreation suitability of natural recreation forest. On the basis of resource-based approach, we had constructed a conceptual framework for this research and found one dependent variable of the overall recreation suitability and eight independent variables, representing characteristics of recreation resource. After questionnaire surveying of 690 visitors from 10 among 72 natural recreation forests in Korea. We have analyzed the data using descriptive statistics, correlation analysis, and multiple linear regression method. We have found that 1) physical factor of recreation resources turned out to be statistically insignificant and the direction of relationship between independent variable and dependent variable is the same as that of dependent variable, 2) noise, sound and smell turned out to be the most important variable in terms of magnitude of independent variable and wild life turned out to be the next important variable, and 3) noise, sound and smell turned out to have aboutn 3.3 times greater thant that of landscape, judging from the absolute value of standardized regression coefficient. The research findings can be used for planning and designing of natural recreation forests based on recreation suitability of forest resources, and will provide pertinent guidelines for management of recreation resources of natural recreation forests. The approach and method of evaluating recreation suitability employed in this research provide us valid and reliable results and will be highly useful in other resource-based recreation development. We suggest that the differences in recreation suitability between private and public recreation forests and the relationship between user-satisfaction and recreation suitability of natural recreation forests must be examined in the future research.

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Estimating the Conservation Value of Recreation Forests in Chungbuk through CVM (CVM을 활용한 충북지역 자연휴양림의 보전가치 추정연구)

  • Kang, Kee-Rae
    • Journal of Korean Society of Forest Science
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    • v.99 no.6
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    • pp.900-907
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    • 2010
  • Recreation forests are offer to personal development through recreation, education about nature, association with people, mind relaxation in forests. Most efficient method for measuring Recreational value of natural forest is economic approach, and Obtained by this approach, visitors to the recreational forests and other people will be able to explain recreational value. The value of the environment goods are not traded in the market, it's real value is difficult to measure. People have appreciated the value of the natural environment but it is not easy to answer the question how much monetary value a natural enjoy prosperity environment. This study is involved in giving the right recognition to the value of recreation and environment by estimating economically the value of the environment in which visitors stay, and presenting the appropriate price. The environmental value of a recreation forests is estimated through contingent valuation method (CVM). The annual recreation value per person of surveyed recreational forests is WTP with a mean between about \14,000 and 16,500. The recreation value of one recreational forest surveyed is annually between approximately 1.2 billion won and 1.4 billion won. The annual recreation value of Chungbuk Province recreation forests is presumed to be between about 15 billion won and 16.9 billion won.

Fuel Management in Ghana's Tropical Forests: Implications on Implementation Cost, Fuel Loading and Fire Behaviour

  • Barnes, Victor Rex;Swaine, Mike D.;Pinard, Michelle A.;Kyereh, Boateng
    • Journal of Forest and Environmental Science
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    • v.36 no.4
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    • pp.298-310
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    • 2020
  • Fuel management can play enormous role in fire management in tropical dry forests. However, unlike the temperate forests, knowledge on implications of different fuel management methods in tropical forests is often inadequate. In this study, the implications of prescribed burning and hand thinning treatments on implementation cost, fuel loading and post-treatment fire behaviour were tested and compared in degraded forests and teak plantations in two forest reserves of different levels of dryness in Ghana. The study found that prescribed burning was less expensive (62.02 US Dollars ha-1) than hand thinning (95.37 US Dollars ha-1). The study also indicated that the two fuel management methods were able to reduce fuel loading in degraded forests and teak plantations. However, prescribed burning was more effective in reducing fuel loading than hand thinning. While the relative change of fuel reduction was 13% higher in prescribed burning than the hand thinning in degraded forest, it was 41% higher in prescribed burning than hand thinning in teak plantations. The fire behaviour of post-treatment experimental fire was also lower in prescribed burning than the hand thinning and control plots. Fuel management, therefore, has a great potential in fire management in degraded forests and teak plantations in Ghana.

Terpene Emissions from BackDooDaeGan Forest (국립백두대간 수목원의 터핀(terpene)류의 발생특성)

  • Hae-Geun Lee;Ha-Ju Baek;Jeong-Jin Kim;Young-Hun Kim
    • Journal of Environmental Science International
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    • v.31 no.12
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    • pp.1039-1050
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    • 2022
  • Forests are valuable natural resources for people living around the mountains. In particular, the comfortable feeling or healing is one of the most important benefits obtained from forests. This healing can be possible by many aspects of forests, including the landscape, natural sounds, anions, and pleasant aromas. We focused on the volatile organics from forest causing pleasant aromas, phytoncides. Twenty phytoncides were monitored from February to September in a national tree garden (BaekDoDaeGan SooMokWon). Five sites were monitored two times per month and 20 phytoncides were detected. Borneol showed the highest annual average concentration and the order of concentration was borneol > mycene > sabinene > limonene > α-pinene. The average phytoncide concentration was relatively high in spring and summer season when the trees were physiologically active. Daily monitoring showed that the afternoon hours had higher concentrations of phytoncides than the morning hours, which may be due to the stabilized atmospheric conditions at the sites. Among the five sites, coniferous forests gave higher phytoncide emissions than broadleaf tree forests. The current study showed that forests produce several phytoncides that cause a healing effect and a forest bath may be beneficial to the health of visitors to forests.

The Effects of Recreation Forest Visitors' Satisfaction on Loyalty : A Case of 33 National Natural Recreation Forests (자연휴양림 이용자 만족이 충성도에 미치는 영향 : 33개소 국유자연휴양림을 대상으로)

  • Jeon, Mun-Jang;Sim, Kyu-Won
    • Journal of Environmental Science International
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    • v.19 no.8
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    • pp.961-969
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    • 2010
  • This study was carried out to analyze conceptional structure between visitor's satisfaction and loyalty in the national natural recreation forests. The results of this study showed that facility, natural resources and view, staff service of recreation forest had positive effect on visitor's satisfaction. Reservation system, accessibility, and usage fee of recreation forest was not related to visitor's satisfaction. In addition, visitor's satisfaction was found to have positive effect on visitor's loyalty such as revisiting intention and word of mouth. As a result, managers of recreation forest need to enhance visitor's satisfaction, to improve rate of revisiting intention and to incite word of mouth through building management strategy.

Perspectives on the Current Condition and Landscape Management Status of the Dangsan Forests in Sungnam-ri, Wonju (원주시 성남리 당산숲의 현황 및 경관관리 실태 고찰)

  • Choi, Jai-Ung;Kim, Dong-Yeob;Lee, Sang-Hwa;Kim, Sung-Gi
    • Journal of the Korean Institute of Landscape Architecture
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    • v.35 no.3
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    • pp.82-91
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    • 2007
  • Rural areas dominate country landscape, where the population is rich in traditional and natural heritage. Dangsan forests and Rural community forests (RCF) have been maintained by local residents for hundreds of years. However, many of these forests have been disturbed, and only small amount of Dangsan forests and the RCF remain due to the efforts of local residents. Recently, the remnants of Dangsan forests and RCF have been regarded as living traditional landscapes representing the cultural and rural background of Korea. But the value of Dangsan forests and the RCFs has not been recognized by many. This study aims to understand the characteristics and management status of Dangsan forests in Sungnam-ri, Wonju. Sungnam-ri has four villages, each of which is bordered by a Dangsan forest at the riparian buffer. Sungnam-ri has been selsected as a site for a rural village development project by the Ministry of Agriculture & Forestry of Korea. Sunghwanglim (the Upper Dangsan forest) is designated as Natural Monument No.93 and entrance is limited in this area. The size of Sunghwanglim is $21,133m^2$, and the major tree species are Kalopanax pictus (Dangsan tree, Divine tree), Pinus densiflora, Abies holophylla, Acer triflorum, Ulmus davidiana, Fraxinus rhynchophylla and Quercus serrata. In total, 124 trees with more than 40 cm in DBH are at this site. As for cultural activities, the Dangsan festival is held on April 8th and September 9th of the lunar calendar at shrines in the forests. Although other Dangsan forests are smaller than Sunghwanglim, they also have similar cultural activities. The landscape of the Dangsan forests have been managed for several hundred years by the local people, and they intend to continue maintaining the Dangsan forests for the purpose of festivals and other cultural activities. The findings in this study suggest that Dangsan forests have the potential for the development of rural villages and for the improvement of cultural and natural landscapes in Korea.

Belowground Carbon Allocation of Natural Quercus mongolica Forests Estimated from Litterfall and Soil Respiration Measurements (Litterfall과 토양호흡 측정에 의한 신갈나무 천연림의 지하부 탄소 분배)

  • Yi Myong-Jong;Son Yowhan;Jin Hyun-O;Park In-Hyeop;Kim Dong-Yeop;Kim Yong-Suk;Shin Dong-Min
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.7 no.3
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    • pp.227-234
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    • 2005
  • From published data of mature forests worldwide, Raich and Nadelhoffer suggested that total belowground carbon allocation (TBCA) could be estimated from the difference between annual rates of soil respiration and aboveground litterfall. Here we analyze new measurements of IRGA-based soil respiration and litterfall of natural mature oak forests dominated by Quercus mongolica in Korea. Rates of in situ soil respiration and aboveground litter production are highly and positively correlated. Our results disagree with the Raich and Nadelhoffer model far world forests. A regression analysis of the data from Q. mongolica forests produced the following relationship: annual soil respiration : 141 + 2.08 ${\times}$ annual litterfall. The least squares regression line has a more gentle slope (2.08) than the slope (2.92) described by Raich and Nedelhoffer for mature forests worldwide. The regression slope of our study indicates that, on average, soil respiration is about two times the aboveground litterfall-C, which further implies that TBCA is similar with annual aboveground litterfall-C at natural Q. mongolica forests in Korea. The non-zero Y-intercept (141) of the regression indicates that TBCA may be greater than litterfall-C where litterfall rate are relativery low. Over a gradient of litterfall-C ranging from 200-370 g C $m^{-2}yr^{-l}$, TBCA increased from 350-530 g C $m^{-2}yr^{-l}$.

A Theoretical Review on the Planting and Management of Coastal Forests in Korea (우리나라 해안림조성과 관리의 이론적 고찰)

  • Kim, Yong-Shik;Kim, Do-Gyun
    • Korean Journal of Plant Resources
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    • v.30 no.1
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    • pp.110-123
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    • 2017
  • The authors reviewed the history of creation and management, purposes, extents, methods of creation, planting species and mediums, structure of vegetation layers and legal management, etc. of coastal forests of Korea. Since the Goryeo dynasty, the inhabitants in the coastal regions has long been aware the safety from natural disasters and the local governments manages for the defence and natural disasters, and collaboration among GO and NGOs, as well as enterprises are participating to the conservation of coastal forests in Korea. The purposes of creation and management of coastal forests in historical aspects are prevention of disasters, safety by the Fengsui, military uses, and timber productions, but partly as the places for religious beliefs, safety from diseases and fires, increasing of forest products and fishes, as well as tourists, improving of amenity and landscapes and recreation, inherits of traditional culture, habitats for wildlife, and ecological corridors, etc. The inhabitant in the coastal region who experienced frequent natural disasters has strong supports for the conservation of coastal forest and as a natural resources to inherits to the coming generations as the coastal forests has high values of academic researches on human society, culture, ecology and recreational uses, etc. The extensive overall researches on the creation and managements of coastal forests, as well as cultural tradition in the coastal forests of Korean peninsula are critically essential.

Classic Successional Theory and Stand Dynamics Studies on Fir Stand of Natural Forests in Naesorak Mt. - Focused on Patch Dynamics and Structure - (내설악 전나무 자연림 조사를 통한 고전천이론과 임분동태학에 관한 고찰 - Patch Dynamic과 임분 구조를 중점으로 -)

  • Youn, Young-Il
    • Korean Journal of Environmental Biology
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    • v.25 no.2
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    • pp.158-167
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    • 2007
  • A study conducted in NaeSorak Mt. from 1996 to 2006 shows some interesting results indicating general characteristics of natural forests, regeneration and structural patterns on fir stands. Those fir stands could have been confused as climax forests, which is a short-sighted from human-centered view on those stands. A classic theory of succession, which has been frequently applied to analyse the changes in forest ecosystem changes, failed to provide further understanding of fir stands. To comprehend the complicated and diverse process, a concept of ecosystem circulation need be introduced to the theory. This is a main idea of 'patch dynamics' theory developed from 'mosaic cycle' theory.

Altitudinal Variation in Species Composition and Soil Properties of Banj Oak and Chir Pine Dominated Forests

  • Kumar, Munesh;Singh, Harpal;Bhat, Jahangeer A.;Rajwar, G.S.
    • Journal of Forest and Environmental Science
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    • v.29 no.1
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    • pp.29-37
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    • 2013
  • The study was carried out in two different forest types viz., Banj oak and Chir pine forests to assess the variation in forest species composition and soil properties along altitudinal gradients in the Garhwal Himalayas. The results of the study showed that between the forests soil moisture was higher in Banj oak forest because of closed canopy and dense forest compared to Chir pine forest. The sand particles were reported higher in Banj oak forest which might be due to the addition of organic matter favouring coarse structure of soil, helping in holding maximum water in soils. However in the Chir pine forest low amount of soil organic matter and presence of clayey soil, develops soil compactness which reduces the penetration of water resulting in high soil bulk density. The higher accumulation of litter and presence of moisture in Banj oak forest favours higher nutrient level of nitrogen, phosphorus and potassium compared to Chir pine forest. The soil organic carbon also reduced with increasing altitude at both gradients. While bulk density has reverse trend with soil organic carbon in both the forests at different peaks of same region. In Banj oak forest, the highest density and total basal cover was reported 1,100 tree $ha^{-1}$ and 58.86 $m^2\;ha^{-1}$ respectively. However, the highest values of density and total basal cover of Chir pine forest was 560 tree$ha^{-1}$ and 56.94 $m^2\;ha^{-1}$ respectively. The total density and basal cover of both the forests reduced with increasing altitude. The study concludes that Banj oak forest has better nutrient cycling ability, well developed foest floor and has a greater protective and productive features compared to the Chir pine forest which is without lower vegetation cover and having only pine litter accumulation which does not allow any other species to grow.