نتایج جستجو برای: forestry
تعداد نتایج: 9875 فیلتر نتایج به سال:
Neurological findings were examined in 186 forestry workers with a mean exposure to chain saw vibration of 16.6 hours. The prevalence of active vibration induced white fingers was 5%, parethaesias of the hands 53%, and muscle weakness 13%. Clinical polyneuropathy was observed in 16 forestry workers in the hands (7.5%) which did not correlate with alcohol consumption. Seventy nine forestry worke...
This paper analyzes how sustained yield (SY) forestry is defined and implemented in Sweden and Russia, two countries with different forest-industrial regimes. We first compare definitions of SY forestry in national legislation and policies. Then we study forest management planning in two large forest management units with respect to: delivered forest products and values, how the harvest level o...
C. A. Bates, Georgia Forestry Commission, Statesboro, GA 30461; S. W. Fraedrich, U.S. Forest Service, Forestry Sciences Laboratory, Athens, GA 30602; T. C. Harrington, Department of Plant Pathology and Microbiology, Iowa State University, Ames 50011; R. S. Cameron, Georgia Forestry Commission, Statesboro, GA 30461; R. D. Menard, U.S. Forest Service, Forest Health Protection, Pineville, LA 71360...
Developing Two Additive Biomass Equations for Three Coniferous Plantation Species in Northeast China
Lihu Dong 1, Lianjun Zhang 2 and Fengri Li 1,* 1 Department of Forest Management, School of Forestry, Northeast Forestry University, Harbin 150040, China; [email protected] 2 Department of Forest and Natural Resources Management, State University of New York, College of Environmental Science and Forestry (SUNY-ESF), One Forestry Drive, Syracuse, NY 13210, USA; [email protected] * Correspondenc...
1Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Fujian Agriculture and Forestry University, China 2Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, and School of Life Science, Fujian Agriculture and Forestry University, China 3Key Laboratory of Agroecological Processing and Safety Monitoring, Fujian Agriculture and Forestry University, China 4Ins...
This study aims to introduce the potential applicability of traditional ecological knowledge and community forestry in Northeast Asia, including China, Japan, and South Korea. In ancient Northeast Asia, forest policies and practices were based on Fengshui (an old Chinese concept regarding the flow of vital forces), with which forests were managed under community forestry. However, these traditi...
The area of Zagros forests is continuously in danger of destruction. Therefore, the remaining forests should be carefully managed based on ecological capability evaluation. In fact, land evaluation includes prediction or assessment of land quality for a special land use with regard to production, vulnerability and management requirements. In this research, we studied the ecological capability o...
Karim Saei was born in 1910, in Mashhad, north eastern Iran, where he got his diploma. He left behind his homeland for Karaj city to study at the Faculty of Agriculture of Tehran University. He passed his course very successfully and received his B.Sc. degree in 1931 followed by a scholarship to study for 2 years at Agronomic Institute in Montpellier, France. He graduated M.Sc. with excellent g...
Potential of distributed wood-based biopower systems serving basic electricity needs in rural Uganda
a Department of Forestry and Natural Resource Management, State University of New York, College of Environmental Sciences and Forestry (SUNY-ESF), One Forestry Drive, Illick Hall 340, 13210 Syracuse, NY, USA b Department of Electrical Engineering and Director, Center for Research in Energy and Energy Conservation (CREEC), Faculty of Technology, Makerere University Uganda, P. O. Box 7062, Kampal...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید