Sökning: "Lake Hjälmaren"
Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Lake Hjälmaren.
1. Phytoplankton in Lake Hjälmaren
Sammanfattning : .... LÄS MER
2. Längs med Hjälmarens stränder och förbi - relationen mellan den gropkeramiska kulturen och båtyxekulturen
Sammanfattning : The nature of the relationship between the Pitted Ware Culture and the Boat Axe Culture has dominated Swedish Middle Neolithic research, since the question was raised a century ago. Basically, the debate is concerned with whether or not the two material cultures express two different ethnical groups. LÄS MER
3. Våtmarkshistoria : Hjälmarens och Kvismarens stränder under 1800- och 1900-talen
Sammanfattning : This thesis is a history of man’s and nature’s relationship, with regards to water. It is an environmental history about the changes in the wetland landscape around the Lakes Hjälmaren and Kvismaren in central Sweden during the 19th and 20th century. Hjälmaren, Sweden’s fourth-largest lake, was lowered between 1878 and 1888. LÄS MER
4. Monitoring Water Availability in Northern Inland Waters from Space
Sammanfattning : River deltas and lakes support biodiversity and offer crucial ecosystem services such as freshwater provision, flood control, and fishing. However, climate change and human activities have affected deltas and lakes globally, altering the services they provide. LÄS MER
5. Long-term studies of succession : Colonisation and seed banks
Sammanfattning : Using data from long-term studies of the vegetation in two areas under primary succession, patterns of colonisation and the accumulated seed bank during plant succession were studied.At century-old small islands in Lake Hjälmaren, Sweden, the genetic structure of differently old populations of Moehringia trinervia and Lythrum salicaria was studied, using allozyme variation for M. LÄS MER