Essays about: "Picea mariana"

Found 4 essays containing the words Picea mariana.

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

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Gailene Brazaityte; [2023]
    Keywords : 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;

    Abstract : 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. READ MORE

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

    University essay from SLU/Dept. of Forest Ecology and Management

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

    Abstract : 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. READ MORE

  4. 3. Potentiella arealer för ökad virkesproduktion i norra Sverige genom skogsodling med Pinus contorta var. latifolia, Larix sukaczewii, Abies lasiocarpa, Populus × wettsteinii och Picea mariana

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Erik Söderholm; Mikael Öhman ; [2010]
    Keywords : Alternativa trädslag; Norrland; Ökad volymtillväxt; Lämpliga områden;

    Abstract : Sweden is a country with few native tree species. According to Govt. 2007/08: 108, exotic tree species may be seen as an opportunity to increase the growth of tree volume in Sweden. Potential areas where explored In this work for cultivation with Pinus contorta var. READ MORE

  5. 4. 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

    University essay from SLU/Dept. of Forest Ecology and Management

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

    Abstract : 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. READ MORE