26 uppsatser · sida 2 av 2
en skogshistorisk analys av Ekoparken Skatan
… forest must increase. The previous fire dynamics must also be recreated. If biological diversity is to be ensured over time, forest protection can not only encompass present old stands; young stands must also be managed to form future old growth forests. The preindustrial …
The purpose of this study was to examine by means of Eysenck Personality Inventory (EPI), the relationship between Neuroticism, and self-rated eating problems. Altogether 105 respondents, mean aged 42,3 years, including 11 men and 94 women, participated by answering an …
… grazing. These processes play a crucial role in creating habitats with high biological diversity, particularly favourable for a wide range of herbaceous plant species. In recent years, many of these disturbances have ceased, leading to encroachment, fragmentation and habitat …
Syftet med uppsatsen är att utvärdera två landskapsindex: ett formindex som beräknar formen för varje markanvändningsyta ( eng. "patch"); ett diversitetsindex, som beskriver de olika markanvändningarnas relativa utbredning. Formindexet beräknas på två olika sätt, beroende på om …
en studie av olika beståndstyper inom Hamra kronopark, Dalarna
… Favouring these tree species, is an important measure to ensure a high biological diversity in the future. This can be done for example through prescribed burning and by lowering the herbivore pressure. However, this study has only dealt with older stands, and the abundance of …
en kvantitativ analys
… the region had significantly pH(H2O) decreases. Acidification processes like biological uptake of ions, biomass distribution and deposition was investigated, but these didn't explain the changes between the regions. A possible process that was investigated and might be …
historia, nutid, framtid
… experiences of the remaining garden traces of earlier centuries, and the biological values in terms of for example birdlife.
Changes in the vegetation composition after a wetlandrestoration
… last decades, has created a situation that threats both the function and the biological diversity within the wetlands. Many ecological niches can be found in the wetlands and it is one of the habitats where most different species exist. In the 17th Century people started to …
Sweden signed, in 1992, the Convention on Biological Diversity (CBD) and has thus assumed responsibility for the indigenous biodiversity. That also means that Sweden has a conservation responsibility for the Swedish Friesian (SLB) (SJV, 2007a). In a survey conducted by the Board …
Sweden signed, in 1992, the Convention on Biological Diversity (CBD) and has thus assumed responsibility for the indigenous biodiversity. That also means that Sweden has a conservation responsibility for the Swedish Friesian (SLB) (SJV, 2007a). In a survey conducted by the Board …
… on a landscape level in the boreal parts of Sweden. To prevent the loss of biological diversity in the forest the silvicultural system must imitate the previus disturbance regime. By leaving 10 trees per hectare after every clearcutting operation the dominating silvicultural …
