34 uppsatser · sida 3 av 3
… different types of land use (farmland, building/plots, open land/pasture, forest, wetland and open or snow-covered ground above the tree line) to see if there was any relationship between each species and the different variables. I have not analyzed what the landscape looked …
… future we need to use the energy resources in a sustainable way. The forest is Sweden’s most important resource for renewable energy and a higher production combined with shorter rotation periods (time from planting to clear cutting) can increase the access to energy. The tree …
Future climate changes may lead to an interest of alternative and foreign forest tree species in order to spread the risks in forestry. Douglas fir, Sitka spruce, Freemont cottonwood and hybrid aspen are examples of popular foreign tree species that along with western red cedar …
Inventering av insekter och fåglar i bebyggda områden i Solna kommun
… with the periphery, the areas in Solna had fewer species of woodpeckers, forest birds, hole-nesters and vulnerable species, but more urban species. Among the identified insects were three red-listed species, Lymexylon navale, Euryusa sinuata and Eupachygaster tarsalis, which all …
