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Research project (§ 26 & § 27)
Duration : 2018-03-01 - 2022-02-28

Ozone is a serious health problem in many cities during hot summer days. The ozone causes breathing problems as well as heart diseases and WHO has lately lowered the recommended limits exposure concentration. City trees can both increase and decrease the ozone levels depending on the environmental conditions. The increase of ozone is caused by the release of volatile organic compounds (VOC) which in the presents of NOx produce ozone. On the other hand leaves can decrease ozone levels trough deposition processes. The trees influence on both production of ozone and absorption depends on species but also on the physiological status of the tree such as drought or salt stress. By measuring the VOC production as well as the ozone absorption of species commonly used as street trees we can identify species that at high temperatures has a large capacity to decrease ozone concentrations. Further we can test how the influence on the ozone concentration is affected by drought and salt stress and how the response differs between species. The results will be used to model the ozone concentrations in Vienna The findings and the improved model can in the future be used as decision tools when planning the urban landscape to minimize ozone peaks.
Research project (§ 26 & § 27)
Duration : 2018-02-01 - 2019-11-30

The organization and execution of timber harvesting in steep terrain is a complex task. When working with cable yarder, a special focus should be given on a careful operation so that damages on residual stands can be avoided as much as possible. Damage on remaining trees is a good indicator for the stability and vitality of a stands, which in turn is an important criteria for the sustainable management of forests. The aim of the study is the adaptation of a model for the forecasting of harvesting damages and the quality assessment of timber harvesting operations.
Research project (§ 26 & § 27)
Duration : 2018-07-01 - 2020-03-31

The main objective of this research project is to study the natural performance and resilience of Austria's arable soils. This is of great importance because the demand for food will increase in the near future, the effects of climate change in Austria will become more noticeable and the negative impacts of agriculture have to be reduced. Above all, the aspect of resilience and the resistance of soils against external impacts is in the main focus of attention. The results of the survey will be compared with the results of the BEAT project. A further aim of this research project is to create a basic document which can be used for public activities by the BMNT. Recommendations for land use at regional and local level will be given in a concrete and clear description.

Supervised Theses and Dissertations