Essays about: "wood degradation"
Showing result 26 - 30 of 48 essays containing the words wood degradation.
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26. Production and biodegradability of dissolved organic carbon from dIfferent litter sources
University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapAbstract : The movement of carbon on Earth is based on exchange between pools that represent carbon in different physical forms, differing in chemical composition, structure and function. Dissolved organic carbon plays an important role in ecosystems because of its mobility, which can be relatively high in saturated soils, and because it is the most available fraction of organic matter for microorganisms in soil, being particularly active in microbial degradation processes through soil profile. READ MORE
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27. Emission efficiency and the Swedish charge and refund system for nitrogen oxides : an empricial firm level analysis of the development of NOX emissions per unit of energy produced, 1992 - 2013
University essay from SLU/Dept. of EconomicsAbstract : According to the recently updated version of the framework of Planetary Boundaries, human society has crossed the sustainable level of four out of nine planetary boundaries. Two of those are beyond the zone of uncertainty and in the zone of high risk of serious impacts on the Earth System. It is an alarming situation. READ MORE
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28. Tree species traits response to different canopy cover for 34 tree species in an enrichment planted tropical secondary rain forest in Sabah, Malaysia
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : Tropical rain forests only cover around six percent of the world’s land area and contain around 70 % of the world´s animals and plants. Tropical rainforests have been, and still are, negatively affected by human activities. These activities lead to forest degradation which has negative impacts on production and biodiversity. READ MORE
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29. Land cover change and its influence on soil erosion in the Mara region, Tanzania : using satellite remote sensing and the Revised Universal Soil Loss Equation (RUSLE) to map land degradation between 1986 and 2013
University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapAbstract : Sub-Saharan Africa suffers from land degradation, depletion of natural resources and rural poverty. In the Lake Victoria Basin, where large parts of the population are small scale farmers, people are facing such issues coupled with altered climatic conditions. READ MORE
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30. Using a biotrickling filter for degradation of cypermethrin, an insecticide frequently used in Tahuapalca, Bolivia
University essay from Kemi; Tekniska högskolanAbstract : The feasibility of using bench-scale biotrickling filter reactors inoculated with the fungus UBAF004, isolated from soil in Tahuapalca, for treatment of water contaminated with cypermethrin was investigated. Wood chips, gravel and ceramics were tested as packing materials for the reactors in batch experiments in small glass flasks. READ MORE