Essays about: "Hjalmar Holm"

Found 2 essays containing the words Hjalmar Holm.

  1. 1. Investigation of constitutive phloem phenolics in European ash (Fraxinus excelsior) with different phenotypic susceptibility to ash dieback

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Hjalmar Holm; [2019]
    Keywords : ash; Fraxinus excelsior; dieback; Hymenoscyphus fraxineus; phenolics; secondary metabolites;

    Abstract : European Ash (Fraxinus excelsior) is an important species for biodiversity through-out Europe. The species is critically threatened due to an alien invasive fungus, Hymenoscyphus fraxineus. Some individual F. excelsior trees however show better resistance to H. READ MORE

  3. 2. Bottensubstratets inverkan på föryngring av Flodpärlmussla

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

    Author : Viktor Boström; Hjalmar Holm; [2012]
    Keywords : Margaritifera margaritifera; freshwater pearl mussel; regeneration; bottom substrates;

    Abstract : The freshwater pearl mussel (Margaritifera margaritifera) is threatened throughout its range. There has been a substantial decline of the species and one major reason is habitat degradation. READ MORE