Search for dissertations about: "morphological variation"

Showing result 1 - 5 of 141 swedish dissertations containing the words morphological variation.

  2. 1. Ecology and Evolution of Adaptive Morphological Variation in Fish Populations

    Author : Richard Svanbäck; Peter Eklöv; Lennart Persson; Beren Robinson; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; competition; functional morphology; individual specialization; inter-individual variation; intra-population variation; morphological variation; ontogeny; Perca fluviatilis; perch; phenotypic plasticity; predation; trade-offs; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Abstract : The work in this thesis deals with the ecology and evolution of adaptive individual variation. Ecologists have long used niche theory to describe the ecology of a species as a whole, treating conspecific individuals as ecological equivalent. READ MORE

  4. 2. Bottlenecks and blowflies : Speciation, reproduction and morphological variation in Lucilia

    Author : Ann-Britt Florin; Lisa Meffert; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Population size; speciation; Lucilia sericata; morphological variation; Lucilia illustris; bottlenecks; Utvecklingsbiologi; Developmental biology; Utvecklingsbiologi; Animal Ecology; zooekologi;

    Abstract : This thesis attempts to improve our understanding of the role of population size for the process of speciation. First, the effect of population size on speciation is studied using several meta-analyses of published laboratory experiments. READ MORE

  5. 3. Changing Identities : Language Variation on Czech Television

    Author : Tora Hedin; Barbro Nilsson; Karel Šebesta; Karel Kučera; Stockholms universitet; []
    Keywords : HUMANIORA; HUMANITIES; Czech discourse analysis; Czech language; Czech linguistics; codification; television discourse; linguistic norm; linguistic variation; code-switching; post-Communist media; Slavic languages; Slaviska språk;

    Abstract : This study examines different aspects of language variation in contemporary Czech television discourse. The modern Czech language is characterised by a specific linguistic situation in which speakers must choose between two varieties – Standard Czech (SC) and Common Czech (CC). READ MORE

  6. 4. Word Order in Övdalian : A Study in Variation and Change

    Author : Piotr Garbacz; tolkning i offentlig sektor och översättning danska och isländska Avdelningen för svenska; []
    Keywords : HUMANIORA; HUMANITIES; Stylistic Fronting; V-to-I movement; Swedish dialects; dialect syntax; language change; variation; älvdalsmålet; Övdalian; Elfdalian; the Rich Agreement Hypothesis; negative concord;

    Abstract : This dissertation discusses aspects of the syntax of Övdalian, a variety spoken by ca. 2,500 people in the province of Dalecarlia in Sweden. READ MORE

  7. 5. Morphological variation in the orchid Dactylorhiza traunsteineri : scale and systematic implications

    Author : Eva Andersson; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE