Essays about: "Formica polyctena"

Found 2 essays containing the words Formica polyctena.

  1. 1. Impact of wood ants on the spatial distribution and feeding by the pine weevil

    University essay from SLU/Dept. of Ecology

    Author : Laurence Jonkers; [2013]
    Keywords : integrated pest management IPM ; forest regeneration; conifer seedling; Formica polyctena; Myrmica ruginodis; Hylobius abietis;

    Abstract : The pine weevil (Hylobius abietis (L.)) is one of the most destructive pests in Swedish conifer plantations. Many efforts have been made to reduce its damage by the use of insecticides, planting site preparation, physical barriers and other management practices. READ MORE

  3. 2. 137Cesium i myrsamhällen i Gävleborgs län 24 årefter Tjernobylolyckan

    University essay from SLU/Dept. of Soil and Environment

    Author : Linnea Brandström ; [2010]
    Keywords : radioekologi; myror; myrstackar; stråldos; cesium-137; Gävle; Tjernobylolyckan;

    Abstract : 24 years have passed since the Chernobyl accident when radionuclides were spread over largeareas of Europe, including the Scandinavian countries. Today, measurable activities of 137Csare still observed in many Swedish ecosystems. READ MORE