Sökning: "demographic model"

Visar resultat 1 - 5 av 181 avhandlingar innehållade orden demographic model.

  1. 1. Multiple categorization in hiring : The stereotype content model perspective

    Författare :Andrea Strinić; Jens Agerström; Magnus Carlsson; Eva Derous; Linnéuniversitetet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; warmth; competence; stereotype content model; multiple group membership; intersectionality; hiring; Psychology; Psykologi;

    Sammanfattning : Hiring discrimination research has predominantly focused on labor market outcomes based on one or two group memberships, most commonly ethnicity and gender. The main aim of the doctoral dissertation is to explore warmth and competence perceptions associated with multiple demographic group membership and how they may affect evaluations and behavior in a workplace and hiring context. LÄS MER

  3. 2. Distribution Patterns and Metapopulation Dynamics of Epiphytic Mosses and Lichens

    Författare :Tord Snäll; Håkan Rydin; Johan Ehrlén; Christine Ray; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ecology; plant; metapopulation; model; parameterization; connectivity; dispersal; colonization; extinction; epiphytic; bryophyte; lichen; boreal; fragmentation; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Sammanfattning : This thesis examines the relative importance of local conditions, dispersal and dynamics of the trees on epiphyte distribution patterns and colonization-extinction dynamics. Study species are the mosses Orthotrichum speciosum and O. obtusifolium, and the red-listed Neckera pennata. LÄS MER

  4. 3. Plant Population Dynamics and Conservation in Wooded Hay-Meadows – Effects of Intensified Management

    Författare :Lotta Wallin; Brita M. Svensson; Mikael Lönn; Johan Ehrlén; Uppsala universitet; []
    Nyckelord :Biology; coordinates; demographic model; dispersal; hay-meadow; Hypochoeris maculata; litter; management; Polygala amarella; stochastic modelling; Succisa pratensis; Biologi;

    Sammanfattning : The decrease in number and area of managed hay-meadows over the last century, in combination with the reduction of traditional management, threatens the biodiversity connected to these habitats. I experimentally examined how management intensity affected meadow characteristics and long-term population viability of three vascular plant species in wooded hay-meadows on the Swedish island of Gotland in the Baltic Sea. LÄS MER

  5. 4. Inferring demographic history and speciation of grouse using whole genome sequences

    Författare :Radoslav Kozma; Jacob Höglund; Jeff A. Johnson; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Demographic history; speciation; effective population size; adaptation; willow grouse; red grouse; black grouse; rock ptarmigan; Tetraoninae; conservation genetics; climate change; PSMC; species distribution modelling; FOXP4; Agouti;

    Sammanfattning : From an ecological perspective, knowledge of demographic history is highly valuable because population size fluctuations can be matched to known climatic events, thereby revealing great insight into a species’ reaction to past climate change. This in turn enables us to predict how they might respond to future climate scenarios. LÄS MER

  7. 5. Genetic variation and inference of demographic histories in non-model species

    Författare :Jean-Luc Tison; Dalén Love; Mats Grahn; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; molekylärgenetik; Molecular Genetics;

    Sammanfattning : Both long-term environmental changes such as those driven by the glacial cycles and more recent anthropogenic impacts have had major effects on the past demography in wild organisms. Within species, these changes are reflected in the amount and distribution of neutral genetic variation. LÄS MER