Sökning: "Per Erik Mellander"
Hittade 3 avhandlingar innehållade orden Per Erik Mellander.
1. Spring water stress in Scots pine: interaction of snow and soil temperature
Sammanfattning : Water use and net carbon assimilation during spring was examined on Scots pine trees exposed to different soil warming dynamics in the field. Sap flow, needle water potential and net carbon assimilation were measured on trees that were exposed to a wide range of soil temperature regimes caused by manipulating the snow cover on tree-scale soil plots. LÄS MER
2. The significance of soil conditions for sap flow of Scots pine in the boreal environment
Sammanfattning : .... LÄS MER
3. Learning and earning: studies on a cohort of Swedish men
Sammanfattning : Earnings of Swedish Young Men: Griliches’ (1976) study on the wage premium for formal schooling in America is replicated on the Swedish Malmö Longitudinal Study, an individual data base with unusually good ability measures collected at young age. The model is tried for two years, when the men were 25 and 30 years old, respectively. LÄS MER