Sökning: "Mariana Black"

Hittade 3 uppsatser innehållade orden Mariana Black.

  1. 1. Comparison of native and introduced tree species in a range from low to high productivity sites in southern Sweden

    Master-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Gailene Brazaityte; [2023]
    Nyckelord :introduced tree species; low productivity sites; moderate productivity sites; high productivity sites; Picea abies; Pinus sylvestris; Betula pendula; Picea glauca; Picea mariana; Picea sitchensis; Pinus contorta; Pseudotsuga menziesii; Abies grandis; Populus balsamifera; Larix x eurolepis; Populus tremula × Populus tremuloides;

    Sammanfattning : The dilemma of climate change, biodiversity conservation and economic efficiency in nowadays forestry leads us to search for the new solutions. Introduction of non-native tree species becomes a more frequently explored field as a solution for the future problems. LÄS MER

  3. 2. Svartgran – ett alternativ när allt ser mörkt ut? : en kartmodell för att visa lämpliga ståndorter för odling av svartgran

    Kandidat-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :André Ahlberg; Björn-Erik Lilja; [2013]
    Nyckelord :Picea mariana; föryngringsproblem; torvmark; frost; Åsele kommun;

    Sammanfattning : A common problem in forestry is plant death caused by frost. The risk of frost is highest on wind protected, flat or low-lying areas in the terrain. Here you often have regeneration problems with Norwegian spruce which is especially sensitive to spring frost. LÄS MER

  4. 3. Picea mariana ((P. Mill.) B.P.S), P. abies (L.), Pinus contorta (Dougl.) och P. sylvestris (L.) : en jämförelse av produktion och potentiell kvalitet hos försöksbestånd i Jämtlands län

    L3-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Richard Dermer; [2007]
    Nyckelord :Picea contorta; Picea mariana; Picea abies; Pinus sylvestris; produktion; överlevnad; kvalitet; försök; jämförelser;

    Sammanfattning : Swedish forests are dominated by just two conifer species Norway spruce and Scotch pine. They are not able to achieve the highest possible production or fulfill industry demands for raw materials. The introduction of exotic conifers can potentially meet these shortcomings and present a relevant solution. LÄS MER