Search for dissertations about: "Wood ants"

Found 2 swedish dissertations containing the words Wood ants.

  2. 1. Effects of Social Organisation on Spatial Genetic Structures in Formica Ants

    Author : Niclas Gyllenstrand; Michael Bruford; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; Formica ants; microsatellites; monogyny; mtDNA; polygyny; social insects; Biologi; Biology; Biologi; naturvårdsbiologi; Conservation Biology;

    Abstract : The social organization of social insect colonies can be broadly defined as monogynous, single reproductive female or polygynous, several reproductive females. Monogynous organization is genetically simple while polygynous is more complex and the two social forms differ commonly in mating and dispersal behaviour as well as in colony foundation. READ MORE

  4. 2. Interactions between ants and pine weevils : effects on forest regeneration

    Author : Vita Manak; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Ants interact with plants in various ways and ant presence on plants can decrease local abundance or activity of herbivores, which in turn increases plant fitness. Red wood ants (Formica rufa group) are common species in forests of northern Europe. READ MORE