Sökning: "Per Westerfelt"

Hittade 1 avhandling innehållade orden Per Westerfelt.

  1. 1. Bees and wasps (Aculeata) in young boreal forests

    Författare :Per Westerfelt; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : In Sweden, forest stands younger than 15 years constitute more than 10% of the total forest area. The aims of the research described in this thesis were to investigate how bees and wasps (Aculeata) use young boreal forests as nesting and feeding grounds. Aculeates are sun-loving creatures and do not thrive in closed forest stands. LÄS MER