Sökning: "polygyny"

Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet polygyny.

  1. 1. Polygyny : a cross-cultural study

    Författare :Peter Bretschneider; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Cultural anthropology; Kulturantropologi;

    Sammanfattning : .... LÄS MER

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

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

    Sammanfattning : 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. LÄS MER

  4. 3. Time to farm : A qualitative inquiry into the dynamics of the gender regime of land and labour rights in subsistence farming: an example of the Chiweshe communal area, Zimbabwe

    Författare :Karin Steen; LUCSUS; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Food production; gender dynamics; institutional change; labour rights; land rights; polygyny; power; rights-in-person; subsistence farming; sub-Saharan Africa;

    Sammanfattning : In the context of multiple stressors such as land shortage and food insecurity, the thesis deals with gendered land and labour rights as a social aspect of food production in subsistence agriculture in sub-Saharan Africa. Using the Chiweshe communal area in Zimbabwe as an example, it identifies, investigates and draws conclusions on higher order social processes of gender, power and incremental institutional change in a local context. LÄS MER

  5. 4. Reproduction and survival in the lesser spotted woodpecker. Effects of life history, mating system and age

    Författare :Ulf Wiktander; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Picoides minor; Dendrocopos minor; Picidae; polygyny; polyandry; parental care; breeding biology; altricial birds; birds; single-brooded birds; Animal ecology; Djurekologi;

    Sammanfattning : Over 9 years, 116 breeding attempts made by individually marked lesser spotted woodpeckers (Dendrocopos minor) were followed in a study area in southern Sweden. The home-range area decreased from on average 742 ha in winter to a defended territory of 103 ha prior to breeding and 43 ha during nesting. LÄS MER

  7. 5. Polyterritorial behaviour and polygyny in the wood warbler (Phylloscopus sibilatrix - Bechst.)

    Författare :Hans Temrin; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; wood warbler; Grönsångare; Tättingar;

    Sammanfattning : .... LÄS MER