National Repository of Grey Literature 20 records found  previous11 - 20  jump to record: Search took 0.01 seconds. 
Využití chladnokrevných koní na majetku Lesního družstva obcí Přibyslav
Zichová, Aneta
The bachelor thesis deals with the utilization of heavy horses for skidding operations in Forest cooperative communities Přibyslav focusing on forest district Staré Ransko. The thesis is focused on the tradesman whose activities are services within the forestry and logging. It analyzes the portion of horse timber skidding on the forest district. The work deals with the care of horses, purchase and operating costs as well as with an overview of the work done by horses on the forest sector Ransko during the period from 2010 to 2013. The portion of horses on total timber skidding was 59 % in 2010, 44 % in 2011, 33 % in 2012 and 26 % in 2013 year.
Skidding technologies risk assessment: evaluation of soil erodibility based on forest typology
Vymětalová, Zuzana
The purpose of this study is to find optimal skidding technologies for different terrain, soil and typological conditions with a respect to soil erosion. The work is based on the soil erodibility evaluation. The layer of soil which would be potencionally left bare after the stripping by the forestry technique is investigated. We considered possibilities of extending the use of forest typological units as a tool for forest soil erosion assesment. The indisputable advantage of this system is that there are the entire map data for the whole area of the Czech Republic. It enables us to use of geographic information system (GIS). The territory of the Training Forest Enterprise "Masaryk Forest" at Křtiny serves us as a framework for the research and a source of soil samples. These soil samples were laboratory analysed and resulting values were statistically tested and used for modelling in the GIS. The Modified terrain classification was used to define the optimal skidding technology.

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