Search for dissertations about: "geographical"

Showing result 1 - 5 of 896 swedish dissertations containing the word geographical.

  2. 1. Evolution of asexuality in insects : Polyploidy, hybridization and geographical parthenogenesis

    Author : Magnus Lundmark; Anssi Saura; Anders Nilsson; Davis Parker; Umeå universitet; []
    Keywords : Molecular genetics; weevils; geographical parthenogenesis; hybridization; polyploidy; Genetik; Otiorhynchus; Genetics; genetik;

    Abstract : Asexual reproduction and polyploidy are relatively rare in animals with chromosomal sex determination and always represent a derived condition. To accomplish asexual reproduction several changes in gene expression are required in the mechanism of oogenesis. READ MORE

  4. 2. The Scandinavian sporting tour : A case study in geographical imagology

    Author : Pia Sillanpää; Mittuniversitetet; []
    Keywords : HUMANIORA; HUMANITIES; tourism; tourism history; travel; travel writing; Geographical Imagology; image; Jämtland; Tröndelag; Scandinavian; British travellers; fishing; shooting; hunting; sporting gentlemen; imperialism; exploration; Other Germanic languages; Övriga germanska språk;

    Abstract : .... READ MORE

  5. 3. Does distance matter? : On geographical dispersion in organisations

    Author : Jörgen Lindström; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer science; Datavetenskap; Economic Information Systems; Ekonomiska informationssystem;

    Abstract : In the discussion on organisations and organisational form, several concepts have appeared to denote what is said to be new organisational forms. These concepts many times imply a geographical dispersion of organisations. READ MORE

  6. 4. The geographical dimensions of partner choice

    Author : Karen Haandrikman; Rijksuniversiteit Groningen; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; partner choice; register data; the Netherlands; homogamy; spatial patterns; Demography; Demografi; Human geography; Kulturgeografi; demografi; Demography; Human Geography; kulturgeografi;

    Abstract : The dissertation of Karen Haandrikman shows that spatial homogamy, or the similarity of partners regarding their geographical origins, plays a key role in partner choice. The research shows that Dutch cohabiters find their partner at very short distances. READ MORE

  7. 5. Intraspecific variation in Rhinanthus angustifolius. Local adaptation, phenotypic plasticity and geographical structure

    Author : Anneli Jonstrup; Biodiversitet; []
    Keywords : Ecotype; Local adaptation; Phenotypic plasticity; Parallel evolution; Geographical structure; Hemiparasite; Rhinanthus;

    Abstract : Plant species often adapt to local environmental conditions, which can result in the formation of genetically and phenotypically distinct ecotypes. Ecotypes can evolve rapidly, and may be a first step in the process of ecological speciation. READ MORE