• Title/Summary/Keyword: FOREST

Search Result 17,246, Processing Time 0.041 seconds

Forestry Administration and Forestry Research in Korea

  • Shim, Sang Yung
    • Journal of Korean Society of Forest Science
    • /
    • v.76 no.3
    • /
    • pp.295-302
    • /
    • 1987
  • Korea is a small country with extremely high population density. Industrialization of the nation resulted GNP per capita of over 2,000$ in 1986 with an inevitable by-product, high level of pollution in many areas. Forest land is now acknowledged as not only a wood production site but also an origin of much more important intangible values, water and clean air, soil conservation, and recreational and scenic values. Mostly devastated forest land from Korean War has been recovered under the strong afforestation drive from the government. The first Forest Development Plan was mostly reforestation phase and the second Forest Development Plan is foundation establishment phase. The third and later Plans are to enlarge economical forest and to maintain sustatined yield phase. Forestry administration as well as forest research certainly played a great role in successful accomplishment of two Forest Development Plans. For effective planning and accomplishment of the third Forest Development Plan close cooperation among policy makers, forest managers and research workers are mostly required.

  • PDF

Bird Distribution in Relation to Forest Types in Gwangneung Forest (광릉숲의 임상별 조류의 분포 현황)

  • Kwon, Young-Soo;Park, Sung-Keun;Hwang, Geun-Yeoun;Kim, Mi-Ran
    • Journal of Forest and Environmental Science
    • /
    • v.28 no.2
    • /
    • pp.137-141
    • /
    • 2012
  • This study was conducted from February 2005 to October 2007 to investigate bird distribution at three types of forest (mixed, broadleaf and coniferous) in Gwangneung forest. As a result, more birds used mixed forests than broodleaf and coniferous forest. During forest was opened to public, more birds also frequently used mixed forests. When forest was closed to public, there was no preference among three forest types. We also compared the number of species and individuals between open and restricted area. More species and individuals used restricted area.

Enhancement of Water Purification Functions of Watershed Basin (II) -­With a Special Reference to the Point at Issue and Counterplans­- (수변구역 산림의 수질정화기능 증진 (II) -­문제점과 대책을 중심으로­-)

  • Park, Jae-Hyeon
    • Journal of the Korean Society of Environmental Restoration Technology
    • /
    • v.5 no.3
    • /
    • pp.58-65
    • /
    • 2002
  • This study synthesizes previous research accomplishments with analysis of problems and counterplan for the riparian forest zone management and ongoing research strategy is suggested. If a part of budgets for water use allotments is supported for forest watershed owner, this policy for the forest owner could encourage the forest management of watershed. Integrated riparian forest management guideline in city and county needs to be established for the implementation of government guidelines. Base on the guideline, working plans of city and county could be evaluated. Public Forest Tending Work for stream water quality and quantity conservation should be enlarged for forest watershed and forest area management in five big river watersheds. Forest watershed should be managed with a connected system for a pollutant reduction strategy in urban and industrial areas.

Analysis on Visibility Range of Forest Fire Detection Facilities for Forest Fire Prevention (산불예방을 위한 감시시설 가시범위 분석에 관한 연구)

  • Lee, Si-Young;An, Sang-Hyun
    • 한국방재학회:학술대회논문집
    • /
    • 2008.02a
    • /
    • pp.157-160
    • /
    • 2008
  • This study analyzed on the area of Samcheok, Kangwondo about forest fire alarming area and enlargement of the area. Then, visible area by unattended watching camera and watchtower for forest fire which were run by Samcheok was cross-checked with geographic information system, and it could be whether effective on watching the area where the forest fire risk was high enough and also it could be expanded to larger forest fire. The result of study, the visible area by watching facilities only holds for 13.4% of the whole forest fire alarming area, but the forest fire can be observed even though it is occurred in small valley because of smoke and all the forest fire have been occurred in daytime. Therefore, it can be determined that watching area will be extended around 50.3% while the observation radii of watching facilities raise by 4km. However, Samcheok has much greater area of mountain area in compared to any other cities or counties, watching facilities should be installed and run additionally for extinguishing the forest fire from the beginning.

  • PDF

How is SWIR useful to discrimination and a classification of forest types?

  • Murakami, Takuhiko
    • Proceedings of the KSRS Conference
    • /
    • 2003.11a
    • /
    • pp.760-762
    • /
    • 2003
  • This study confirmed the usefulness of short-wavelength infrared (SWIR) in the discrimination and classification of evergreen forest types. A forested area near Hisayama and Sasaguri in Fukuoka Prefecture, Japan, served as the study area. Warm-temperate forest vegetation dominates the study site vegetation. Coniferous plantation forest, natural broad-leaved forest, and bamboo forest were analyzed using LANDSAT5/TM and SPOT4/HRVIR remote sensing data. Samples were extracted for the three forest types, and reflectance factors were compared for each band. Kappa coefficients of various band combinations were also compared by classification accuracy. For the LANDSAT5/TM data observed in April, October, and November, Bands 5 and 7 showed significant differences between bamboo, broad-leaved, and coniferous forests. The same significant difference was not recognized in the visible or near-infrared regions. Classification accuracy, determined by supervised classification, indicated distinct improvements in band combinations with SWIR, as compared to those without SWIR. Similar results were found for both LANDSAT5/TM and SPOT4/HRVIR data. This study identified obvious advantages in using SWIR data in forest-type discrimination and classification.

  • PDF

The First Report of Fusarium solani Causing Wilting in Cnidium officinale in Korea

  • Han, Kyeungmin;Lee, Hyoshin;Park, Yun Mi;Jeon, Kwon Seok;Choen, Wonsu;Jung, Chung Ryul
    • Research in Plant Disease
    • /
    • v.27 no.2
    • /
    • pp.76-78
    • /
    • 2021
  • Cnidium officinale is a perennial herb belonging to the family Umbelliferae. Its origin is China and is also distributed in Korea and Japan. In 2017, a phenomenon of browning and wilting of leaves was discovered in the cultivation field of the National Institute of Forest Science, Suwon, Korea. The pathogens isolated from plants were consistent with Fusarium solani as a result of morphological examination and molecular phylogenetic analysis. This is the first record of F. solani on C. officinale in Korea.

Comparison of Cultivation, Mushroom Yield, and Fruiting Body Characteristics of Lentinula edodes Strains according to the Inoculation Method

  • Jang, Yeongseon;Jeong, Yeun Sug;Ryoo, Rhim;Ka, Kang-Hyeon
    • The Korean Journal of Mycology
    • /
    • v.49 no.4
    • /
    • pp.525-530
    • /
    • 2021
  • The cultivation in sawdust media, mushroom productivity, and fruiting body characteristics of Lentinula edodes strains NIFoS 2778 and NIFoS 3363 were compared according to the inoculation conditions. The cultivation period was 5% shorter when liquid spawn was used. Fruiting bodies were induced after 113 days of incubation on media inoculated with liquid spawn, and the cultivation period was 119 days on media inoculated with solid spawn. Mushroom productivity of NIFoS 2778 was the highest (661.4 g) when 36 mL of liquid spawn was used. For NIFoS 3363, mushroom production was higher under liquid inoculation conditions when the same amount of liquid and solid spawns were used. The mushroom characteristics of the two strains were not significantly different, except for gill width and stipe diameter.