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Timber harvesting in the ukrainian carpathians: Ecological problems and methods to solve them
crawler and wheeled skidders damage to ground surface rut formation undergrowth damage
2015/3/19
The paper contains results of comparative investigations of crawler and wheeled skidders regarding their effect on soil surface, undergrowth and rut formation during mountain timber harvesting. It was...
Problems of the statistical evidence of feedbacks between forest herb phytocoenoses and soil acidity at pollution load
substitute stands phytocoenosis bioindication trophic series soil acidity
2015/2/2
Emissions and ecological factors are evident in changes of dynamics of global forest ecosystems. Specific develop-ment takes place in these substitute stands on contaminated and devastated plots. The ...
Students of High Schools with Forestry Majors and Educational Problems
high school of forestry majors Hokkaido, mid-level technician vocational education
2009/8/27
High schools with forestry majors are currently reorganizing their departments. To discuss the future of their schools, the trends of careers after graduation, students' awareness about school life an...