Essays about: "ekologi"
Showing result 11 - 15 of 762 essays containing the word ekologi.
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11. Sensitivity of Norway Spruce (Picea abies) to inundation.
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Alteration of river flow regimes due to dams result in modifications of riparian ecosystem, with impacts on vegetation, landforms, and habitats. A key characteristic that differentiates riparian zones from adjacent aquatic and terrestrial environments is the event of periodic flooding and water logging. READ MORE
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12. Coupling between iron and humic substances in a land-sea transitional zone in the northern Baltic Sea
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : In marine ecosystems around the world, iron (Fe) is a well-studied and important trace element which has been found to stimulate phytoplankton and cyanobacteria growth, as well as limit nitrogen fixation and being essential for Legionella pneumophila which is known as the main cause of Legionnaires’ disease. Fe also contributes to the brownification of freshwater and has recently been documented to increase in concentration in rivers in Sweden. READ MORE
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13. Värdväxter hos Coleophora - säckmalar : koppling till utbredning och hotstatus
University essay from SLU/Dept. of EcologyAbstract : Att stoppa utarmning av biologisk mångfald och livsmiljöer är en stor utmaning och en ödesfråga för mänskligheten. Klimatförändringar, exploatering, kalhyggesskogsbruk, intensivt brukad jordbruksmark, invasiva arter och miljögifter medför att jorden är inne i sitt sjätte utdöende. READ MORE
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14. Lead Concentrations in Indoor Dust : Differences Between Indoor Shooting Ranges and Assumed Non-Lead Contaminated Sites
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : A projectile which missed its target and falls into the bullet trap at the end of the shooting range might not be viewed as dangerous. Yet, hazardous fumes and fine metal fragments from the bullet might contaminate the users of the shooting range. READ MORE
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15. Vibrational signals as indicators of soil fauna health? : A novel approach to environmental monitoring of ants
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : Soil fauna provides processes of crucial importance for ecosystem functions, but our ability to observe their actions often depend on destructive methods where the integrity of the studied environment (the soil) is compromised. In this study, I develop and test a new generation of environmental monitoring tools that utilize vibrations made by soil macrofauna to inform about their performance and health. READ MORE