Sökning: "bur djur"

Hittade 3 avhandlingar innehållade orden bur djur.

  1. 1. Comparative studies of cognitive abilities in the Paridae : Evidence from laboratory studies

    Författare :Utku Urhan; Evolutionär ekologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Comparative cognition; Spatial memory; Food hoarding; Observational spatial memory; motor self-regulation; Cognitive sex differences; foraging strategies;

    Sammanfattning : The Paridae (tits, titmice and chickadees) is a bird family consisting of both food hoarding and non-hoarding species. Many studies have been conducted on birds that are considered to be cognitively advanced, such as parrots and corvids, whereas much less is known about these small passerines. LÄS MER

  2. 2. Functional Recovery after Experimental Stroke in Mice- Involvement of Enriched Environment, BDNF and Cell Genesis

    Författare :Josefine Nygren; Sektion IV; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; neuropsykologi; neurofysiologi; neurophysiology; Neurologi; Neurology; neuropsychology; functional recovery; focal ischemia; cell genesis; BDNF; enriched environment; mice;

    Sammanfattning : Stroke is caused by an obstruction of blood flow to a part of the brain, resulting in brain damage. Stroke is the third most common cause of death in the industrialized world, and the primary cause of adult-onset disability. LÄS MER

  3. 3. On starlings and farming: population decline, foraging strategies, cost of reproduction and breeding success

    Författare :Måns Bruun; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; breeding success; foraging strategies; intensification; agricultural methods; population decline; farmland bird; cost of reproduction; Animal ecology; Djurekologi;

    Sammanfattning : The European Starling Sturnus vulgaris as many other farmland bird species has been declining during the last decades. The cause of these declines is generally believed to be changes with in agricultural methods affecting breeding and survival of birds. LÄS MER