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EN
Expansion of invasive species can be clearly seen all over Poland. Foreign tree and herbaceous plant species are effectively taking over more and more habitats competing with native vegetation. This phenomenon is strongly pronounced in the areas subject to strong anthropogenic pressure. The presence of invasive plants replacing the native vegetation is a threat for biodiversity and ecological balance. The research carried out by the authors between 2011 and 2017 on selected sites (comparatively: urban and open spaces, including a 600 ha park and a 10 km long forest strip along a river) confirms the pressure exerted by invasive species irrespective of the natural conditions of a particular site or its type – in each case it is most prominent in areas where vegetation is not properly maintained or where it is not maintained at all. The research was based on the dendrological inventories and phytosociological assessments. The inventories were used for a detailed assessment of both the condition and structure of treestands, including accounting for invasive species. Phytosociological assessment can, among others, form a basis for forecasting ecological stability of individual plant communities. Uncontrolled expansion of invasive species, especially in the areas of strong anthropogenic pressure, may cause unfavourable natural succession and in consequence – destabilisation of ecological system in a given area.
EN
The paper present natural an technical aspects, which need to take account when we want to design sports turf. It is necessary to use habitat information like, weather, water and soil conditions. A very important elements is adaptation suitable mixture of grasses, optimal range and level of cultivation lawns and specification of optimal using of designing sport grounds.
3
Content available remote Główne przyczyny złego stanu trawników sportowych w Polsce
EN
The paper present a main causes of the poor quality of sports turf in Poland. It also shows number of different sports field in Poland. In this work we pointed which factors are influenced on their poor quality. It occures that the most important factor which influnced on the of sports turf are, poor prepared substratum and heavy wear. It is proposed to use german’s achievements to project optimum substratum for sports turf.
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