Sökning: "könsdimorfism"

Hittade 3 uppsatser innehållade ordet könsdimorfism.

  1. 1. Temperatur- och flödespåverkan på aspens (Leuciscus aspius) lekvandring i Fyrisån och Örsundaån, Uppland

    Kandidat-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Rebecka Svensson; [2019]
    Nyckelord :fish migration; sexual dimorphism; Cyprinidae; fiskvandring; könsdimorfism; Cyprinidae;

    Sammanfattning : Interconnected freshwater habitats are essential for many fish populations, which allow fish to migrate between areas to fulfil their life-cycle and maximize their fitness. Currently, such populations are negatively affected by human habitat exploitation. As a result, the biodiversity in freshwater ecosystems is decreasing. LÄS MER

  3. 2. Odour-mediated behaviour in codling moth, Cydia pomonella : do fermentation odours affect the attraction and oviposition behaviour in codling moth?

    Magister-uppsats, SLU/Dept. of Plant Protection Biology

    Författare :Lillemor Torstensdotter; [2015]
    Nyckelord :Cydia pomonella; codling moth; fermentation; apples;

    Sammanfattning : The codling moth, Cydia pomonella is a common pest in apple orchards and can be found worldwide. Feeding by codling moth larvae can cause a substantial decrease in apple yield. Control methods comprise for example the use of pesticides, viruses and pheromones. LÄS MER

  4. 3. The influence of conservation breeding programs on animal communication and behaviour – a literary review.

    Magister-uppsats, Akademin för ekonomi, samhälle och teknik

    Författare :Emmanuela Danial Rioldi; [2013]
    Nyckelord :;

    Sammanfattning : Abstract This literary review is focused on how conservation breeding programs may influence an animal’s behaviour and communication and if this may affect reintroduction. The expansion of the human population is an increasing threat to all wild animals and their habitats. LÄS MER