Search for dissertations about: "emergent macrophytes"
Showing result 1 - 5 of 10 swedish dissertations containing the words emergent macrophytes.
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1. Internal oxygen transport to below-ground parts: importance for emergent macrophytes
Abstract : This thesis examines factors regulating growth and distribution of emergent plants with focus on effects of oxygen supply to the roots. Greenhouse experiments revealed that P. australis acclimatizes to specific water depths with phenotypic plasticity. READ MORE
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2. Spring dynamics in shallow lakes: the role of plankton, fish and macrophytes in a changing climate
Abstract : Shallow lakes such as Lake Krankesjön are characterized by their extended littoral zones, usually covered by submersed and emergent vegetation. In paper 1, I investigated the relationship between turbidity and macrophyte growth (Chara spp. READ MORE
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3. Regulation and role of epiphytic nitrification and denitrification in macrophyte-dominated systems
Abstract : This thesis examines mechanisms regulating bacterial nitrification and denitrification in attached microbial communities on surfaces of aquatic macrophytes. It also evaluates the role of epiphytic nitrification and denitrification for the nitrogen turnover in macrophyte-dominated nutrient-rich freshwaters. READ MORE
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4. Nitrogen removal in treatment wetlands : Factors influencing spatial and temporal variations
Abstract : Decreasing the nitrogen transport from land to surrounding seas is a major task throughout the world to limit eutrophication of the coastal areas. Several approaches are currently used, including the establishment of wetlands, to decrease the transport of nitrogen. READ MORE
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5. Population biology of the clonal plant Ranunculus lingua
Abstract : The scope of this thesis was to identify, describe and quantify important life-history traits for the pseudoannual aquatic plant Ranunculus lingua in different ecological settings, by comparing populations from geographically marginal vs. central habitats. READ MORE