Search for dissertations about: "Calcareous grassland"
Found 4 swedish dissertations containing the words Calcareous grassland.
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1. Disturbance regimes in dry sandy grasslands – past, present and future
Abstract : A number of sandy grassland habitats of interest for biodiversity conservation can be found in Europe. One such habitat is the threatened xeric sand calcareous grassland, which is home to a large number of endangered species. READ MORE
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2. Disturbance Effects on Plant and Mycorrhizal Communities in Sandy Grasslands
Abstract : Many ecosystems have historically been disturbed, either naturally or as part of a cultural management. Due to loss of species as a result of too little disturbance, disturbance must be considered as a potential tool for conservation and restoration in various ecosystems. In this thesis work, disturbance effects on a grassland system were studied. READ MORE
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3. The influence of soil pH on plant and microbial communities in sandy grasslands
Abstract : Sandy, calcareous grasslands are species rich temperate semi-natural grasslands. The species composition in 136 plots was analysed in relation to soil chemistry parameters; extractable P and N, soil pH and lime content. READ MORE
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4. Present and Past Coastal Dune Environments of South Buenos Aires Province, Argentina
Abstract : The aim of this thesis is to describe present and past coastal dune environments in southern Buenos Aires Province, Argentina. The present vegetation of a dune system and its zonation are described on the basis of air photographs, physiognomy of the dune system and floristic composition. READ MORE