Sökning: "Siltation"
Visar resultat 1 - 5 av 6 uppsatser innehållade ordet Siltation.
1. Höstveteetablering : inverkan av sådjup och aggregatstorleksfördelning på uppkomst och skottutveckling
Magister-uppsats, SLU/Dept. of Soil and EnvironmentSammanfattning : Winter wheat is a very important crop, but despite this its yield in Sweden has remained the same since 1990. Several studies have been conducted pertaining the optimal conditions for the establishment of spring cereals. However, there is very few studies that have taken place on the favorable conditions for the establishment of winter wheat. LÄS MER
2. Siltation Problems at the Landeyjahöfn Harbour, Iceland : Governing Processes and Coastal Evolution
Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresursläraSammanfattning : The Landeyjahöfn Harbour, located on the south coast of Iceland, has since its opening in 2010 been suffering from siltation problems. Sediment deposited in the harbour entrance, preventing the ferry to run at full capacity. LÄS MER
3. Ålder vid reproduktion hos den allmänna dammusslan (Anodonta anatina)
Kandidat-uppsats, Institutionen för vård och naturSammanfattning : Blötdjur (Mollusca) tillhör en av de mest hotade taxonomiska grupperna i världen och musselpopulationer (Bivalvia) har drastiskt setts minska. Den avtagande tillväxten hos musselpoulationen kan bero på faktorer så som minskning av värdfisken, försurning, invasiva arter, föroreningar och igenslamning av bottnar. LÄS MER
4. Markskador vid GROT-uttag : en enkätstudie hos skogstjänstemän
Kandidat-uppsats, SLU/School for Forest ManagementSammanfattning : Forestry is increasing on an industrial scale where collection of logging residues takes a greater part. This has resulted in more machinery and heavy machinery driving in the clear felled area, this increases the risk of soil damage that will occur in the form of soil compacting and rutting in the clearings. LÄS MER
5. Bottensubstratets inverkan på föryngring av Flodpärlmussla
Kandidat-uppsats, SLU/Dept. of Forest Ecology and ManagementSammanfattning : The freshwater pearl mussel (Margaritifera margaritifera) is threatened throughout its range. There has been a substantial decline of the species and one major reason is habitat degradation. LÄS MER