• Title/Summary/Keyword: Forests

Search Result 2,205, Processing Time 0.025 seconds

Estimation of Carbon Storage Using Mean Biomass Density in Korean Forests

  • Li, Xiaodong;Yi, Myong-Jong;Jeong, Mi-Jeong;Son, Yo-Whan;Jin, Guangze;Han, Sang-Sub
    • Journal of Korean Society of Forest Science
    • /
    • v.99 no.5
    • /
    • pp.673-681
    • /
    • 2010
  • This study examined the biomass data estimated from different allometric models and calculated the mean aboveground biomass, mean belowground biomass and root/shoot ratio values according to the forest types and age classes. These mean values and the forest inventories in 2009 were used to estimate the aboveground and total biomass carbon storage in different forest types (coniferous, deciduous and mixed forests). The aboveground and total biomass carbon storage for all forest types in Korea were 350.201 Tg C and 436.724 Tg C. Over the past 36 years, plantations by reforestation programs have accounted for more than 70% of the observed carbon storage. The carbon storage in Korean forest biomass was 436.724 Tg C, of which 175.154 Tg C for coniferous forests, 126.772 Tg C for deciduous forests and 134.518 Tg C for mixed forests, comprising approximately 1/20 of the total carbon storage of the East Asian countries. The total carbon storage for the whole forest sector in Korea was 1213.122 Tg C, of which 436.724 Tg C is stored in forest biomass if using the ratio of carbon storage in different pools examined from the United States. Such large carbon storage in Korean forests is due mainly to active plantations growth and management practices.

A Study of Historical Background to the National Forest Formation (국유림성립(國有林成立)의 사적배경(史的背景)에 관(關)한 고찰(考察))

  • Ho, Ul Yung
    • Journal of Korean Society of Forest Science
    • /
    • v.31 no.1
    • /
    • pp.21-29
    • /
    • 1976
  • In foreign countries the national forests began to emerge when the modern body politic came into being and looked upon forests as an indispensible source of national wealth to the effect that eachnation virtually nationalized the forests to promote the public interest such as erosion prevention and water source stability. Most of the forests that are now in national ownership used to be the estates of kings and feudal lords in the Middle Ages. In Korea in national forests come into being toward the end of Yi-dynasty as an outcome of the Japanese colonial policy under which, with the purpose of exploiting the forest resources, the dense forests of large area were systematically transferred into national property to be controlled by establishing the echelon of the national forest stations. The main task of these stations was to fell lumber to no limits.

  • PDF

Perspectives of methodology for Cultural Contents of Dangsan Forest in Rural Village -Case of establishment of 'Conservation Area of Agricultural Landscape Ecology' at Sinwon-ri, Cheongdo-gun- (농촌마을 당산숲의 문화콘텐츠화를 위한 방법론 고찰 -청도군 신원리 '농업경관생태 보전지역' 설정을 사례로-)

  • Choi, Jai-Ung;Kim, Dong Yeob;Rhee, Sang-Young
    • The Journal of the Korea Contents Association
    • /
    • v.14 no.5
    • /
    • pp.444-457
    • /
    • 2014
  • Dangsan forests are traditional village forests which have been established by local residents. They represent unique cultural landscape of Korea with a history of more than several hundred years. It is necessary for a cultural contents to have locality and globality so as to represent Korea. Cultural heritage can retain their value when they are fully sustained their authenticity and management scheme. Although many Dangsan forests have been on the verge of disappearance, the four villages in Sinwon-ri have retained Dangsan forests with Dangsan ritual. In this study, a designation of 'Conservation area of agricultural landscape ecology' including Dangsan forests, Bibo forests, rice paddy field, and stream in Sinwon-ri was suggested. This 'Conservation area of agricultural landscape ecology' can be developed to unique glocal cultural content of rural Korea, and will contribute to enhance the value of the Dangsan forest's, and revitalization of rural villages.

Landscape Characteristics of Sacred Dangsan Forests in the Neighborhood of Naganeupseong in Suncheon as a Potential World Heritage Site (세계문화유산 잠재지로서 순천 낙안읍성 일원 당산숲의 경관 특성)

  • Choi, Jai-Ung;Kim, Dong-Yeob;Lee, Chang-Hwan
    • Journal of Agricultural Extension & Community Development
    • /
    • v.22 no.3
    • /
    • pp.345-354
    • /
    • 2015
  • In this study, the landscape characteristics and culture of the sacred Dangsan forests at Dongnae-ri, Seonae-ri, Namnae-ri, Pyeongchon-ri and Gyochon-ri were investigated. And the potential for registration in the World Heritage List has been discussed by linking the Dangsan forests at the five sites. Dangsan forest, a traditional village forests of rural Korea is a representative cultural heritage with a history of more than several hundred years of Dangsan ritual. The Dangsan forests in the neighborhood of Naganeuoseong have retained the landscape of town fortress during Choseon Dynasty and the Dangsan ritual as a living culture. The three villages inside Naganeuoseong have kept their Upper Dang, Middle Dang and Lower Dang. There were 21 old trees in total; Zelkova serrata (2), Celtis sinensis (7), Aphananthe aspera (5) trees, Carpinus tschonoskii (2) and Ginkgo biloba (3). The three Dangsan trees and an old Aphananthe aspera, known as to be planted by the Admiral Yi Sun-sin were recognized. The two villages located outside of village fortress also have kept their Dangsan ritual. It is important whether the sites possesses authenticity in order to be listed in the World Heritage. The Dangsan forests in the neighborhood of Naganeuoseong have been verified for the authenticity, which should be focused. The places need to be clarified for their landscape features formed as a Dangsan forest, and sustainable protection and management plans are to be devised.

Analysis of Landscape Characteristics for Enhancing the Value of the Sacred Dangsan Forests at Mulgeon-ri, Namhae-gun as an Agricultural Heritage (농업유산으로서 남해군 물건리 당산숲의 경관 특성 및 가치 제고방안)

  • Choi, Jai-Ung;Kim, Dong Yeob;Yoon, Soon-Duck
    • Journal of Agricultural Extension & Community Development
    • /
    • v.23 no.4
    • /
    • pp.347-359
    • /
    • 2016
  • Landscape characteristics and the culture of the sacred Dangsan forests located at Mulgeon village, Eunjeom village and Daejipo village in Mulgeon-ri, Namhae-gun were investigated. The potential of Dangsan forests for agricultural heritage, linked with paddy fields, has been discussed. Dangsan forest is a traditional village forest and a representative cultural heritage with a history of more than several hundred years. The Ministry of Agriculture, Food and Rural Affairs of Korea evaluates that the agricultural heritage is a new means and will provide a potential for the development of rural areas. The Dangsan forests were located in the neighborhood of paddy fields. The Dangsan forests are to be related to paddy fields in order to get attention as an agricultural heritage. Especially, the Dangsan forest of Mulgeon village was designated as Natural Monument #150 with the name, Windbreak forest of Mulgeon-ri, Namhae. It was suggested that the national monument to rename as Dangsan forest of Mulgeon village, Namhae. The size of this forest was measured to be 735 m in length and 31 m in width. Mulgeon-ri will be better recognized as a candidate place of agricultural heritage with three Dangsan forests associated with paddy fields.

Analysis of Habitat Characteristics of the Yellow-throated Marten Martes flavigula (Carnivora : Mustelidae) Using Geographic Information System (GIS)

  • Lim, Sang-Jin;Min, Ji-Hong;Park, Yung-Chul
    • Journal of Forest and Environmental Science
    • /
    • v.31 no.4
    • /
    • pp.261-266
    • /
    • 2015
  • We investigated habitat characteristics of the yellow-throated marten Martes flavigula (Carnivora : Mustelidae) using geographic information system (GIS). GPS coordinates of the target mammal traces and seven habitat factors were used for the GIS analysis. The Odaesan National Park (ONP) is selected as a study area for GIS analysis of the habitat characteristics. According to the GIS analysis of whole area of ONP, main forest type was broadleaf trees which occupy 72% of forests. Trees of 4th to 6th age-calss account for 93% of the ONP forests. The mean elevation and slope of ONP was 901 m and $22.1^{\circ}$, respectively. According to the GIS analysis of M. flavigula habitats in ONP, most M. flavigula traces were found in borad-leaf forests and coniferous forests which are main forest types of ONP. In addition, the yellow-throated marten recorded a relatively high appearance rate of 7% in unstocked forests, which account for much less than 1% of the area of ONP. Most of the marten traces were found in forests with trees of 4th to 6th age-classes. The traces were found in the forest types in higher elevation (1,080.3 m) and lower slope ($15.0^{\circ}$) on average, compared with those of ONP. Appearance rate of the marten traces was 96% in range less than 600 m from the water. The traces were frequently found in areas far distantly beyond 1,400 m range from human residental areas and cultivated areas.

Carbon Forestry: Scope and Benefit in Bangladesh

  • Rahman, Md. Siddiqur;Akter, Salena
    • Journal of Forest and Environmental Science
    • /
    • v.29 no.4
    • /
    • pp.249-256
    • /
    • 2013
  • The aim of the study was to reveal the scope and benefits derives from establishing carbon forests in a country like Bangladesh. Carbon forestry is the modernized forestry practice that evolves no cutting of trees or vegetation rather conserves them in the wood. Trees might be the source of carbon sink at large scale by establishing carbon forests. To find out how and in what extent forests of Bangladesh could contribute to global emission reduction, tree species of economic importance were taken into account about their carbon sequestration potential. Data source was a secondary one. Bangladesh has subtropical evergreen and deciduous forest tree species. Here trees can sequester almost 45-55 percent organic carbon in their biomass. On an average, trees in different types of stands can sequester 150-300 tC/ha. Carbon value of these forests might be 7,500-15,000 USD per hactre (assuming 50 USD per equivalent $tCO_2$). Thus, accounting tree carbon credits of total forested lands of Bangladesh, there might be a lump sum value of $1.89{\times}10^{10}-3.79{\times}10^{10}$ USD. If soil carbon is added, this amount would jump. Alternatively, there are two times higher spaces as marginal lands than this for starting carbon forestry. However, carbon forestry concept is still a theoretical conception unless otherwise their challenges are addressed and solved. Despite of this, forests of Bangladesh might be the key showcase for conserving biodiversity in association with carbon capture. Protected areas in Bangladesh are of government wealth, however, degraded and denuded waste and marginal lands might be the best fit for establishing carbon forests.

SOIL ORGANIC CARBON APPRAISAL IN A SEMI-EVERGREEN FOREST, EASTERN GHATS OF INDIA AS A RESULT OF DEGRADATION - A GEOSPATIAL STUDY

  • Jayakumar, S.;Ramachandran, A.;Bhaskaran, G.;Cho, Hyoung-Sig;Heo, Joon
    • Proceedings of the KSRS Conference
    • /
    • 2007.10a
    • /
    • pp.98-100
    • /
    • 2007
  • Tropical forests have variety of biodiversity values, which provide invaluable services to the living being on earth. In the recent years, tropical forests are regarded as valuable global resources that act as sink for carbon dioxide in order to mitigate global climatic change. In many parts of the world, tropical forests are being rapidly cleared by various means. Soil organic carbon (SOC) is concentrated in the upper 12 inches of the soil. So it is readily depleted owing to the degradation activities. In the present study, it was aimed to assess the magnitude of disturbance in the availability of SOC in a semi- evergreen forest, situated in the Eastern Ghats of Tamil Nadu, India. The forest density of this region was mapped with QuickBird satellite data. Intensive field soil sampling and floristic study were conducted to estimate the SOC status in different density classes and to identify the species availability. The SOC density ranged from 274.06 t/ha to 147.84 t/ha in the very dense and degraded semi-evergreen forest respectively. The SOC content was also varied from 3.70 to 1.83 % in the very dense semi-evergreen and medium semi-evergreen forests respectively. The species composition in different density classes was also varied considerably. As a result of this study, it was identified that the disturbance to forests by various means not only affect the density of forests but also affect the below ground SOC status proportionately.

  • PDF

Effects of Infants' Free Play in Forests on the Development of Their Sociality (숲에서의 자유놀이가 유아의 사회성 발달에 미치는 영향)

  • Boo, Eun-Soon;Oh, Chang-Hong;Cheong, Donguk;Park, Jung-Hwan
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.14 no.10
    • /
    • pp.4855-4864
    • /
    • 2013
  • The purpose of this research is to examine the effects of infants' free play in forests on the development of their sociality. The 24 infants of a kindergarten in Jeju city, who is four years old, participated in the research. Participants freely played in forests for two hours at each time according to their own interests and demands, and this play performed twice every week for total 12 weeks. The results are as followed. Firstly, the free play activities in forests improved the infants' sociality. Secondly, the activities improved every sub-factors of the sociality such as cooperativeness, the acceptance of view, the free will, and the interaction. The results indicate that forests provide rich natural objects for infants to create various and new play by themselves. In addition, the free play activities in forests could build good inter-personal relationship through active interaction among the infants and lead positive impact on the development of their sociality.

Conservation Status and Restoration of the Evergreen Broad-leaved forests in the Warm Temperate Region, Korea( I ) - Distribution of the Evergreen Broad-laved Forests and Category of Degraded Levels - (난온대 상록활엽수림 보전실태 및 복원(I) - 상록활엽수림 분포 및 훼손등급 기준 -)

  • 박석곤;오구균
    • Korean Journal of Environment and Ecology
    • /
    • v.16 no.3
    • /
    • pp.309-320
    • /
    • 2002
  • In order to understand the condition of mostly-degraded evergreen broad-leaved forests(EBLF) and to make a restoration plan of EBLF in the Korean warm temperate, the distribution of EBLF and forest vegetation types have been investigated and the categories of degraded levels have been set. The coverage of the EBLF in the Korean peninsula was approximately 10,285ha based on the existing literature review and the actual vegetation map. Forest vegetation types have been investigated at thirty-two area of the south coast and inland in the warm temperate region. As a result, The forest vegetation was classified as 52 types; 26 types of EBLF, 13 types of semi-evergreen broad-leaved forests, 9 types of deciduous broad-leaved forests, 4 types of evergreen coniferous forests. The categories of degraded levels were divided into 8 levels and 14 sub-levels according to the importance percentage(I.P.) and the number of warm temperate species.