Essays about: "populationsbiologi"

Found 5 essays containing the word populationsbiologi.

  1. 1. Orsakar sortval och kemisk bekämpning populationsdifferentiering hos Phytophthora infestans?

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Lovisa Bergkvist; [2017]
    Keywords : potatisbladmögel; phytophthora infestans; mikrosateliter; populationsbiologi; sexuell reproduktion; asexuell reproduktion;

    Abstract : .... READ MORE

  3. 2. Populationsstudie av gulrost (Puccinia striiformis) i Skåne under odlingssäsongen 2015

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Mikael Nilsson; [2016]
    Keywords : gulrost; Puccinia striiformis; vete; berberis; populationsbiologi; växtskydd;

    Abstract : Gulrost är en sjukdom i vete (Triticum aestivum) och rågvete (Triticale) orsakad av svampen Puccinia striiformis forma specialis tritici. I Sverige var sjukdomen länge av mindre betydelse, men sedan 2007 är kraftiga angrepp mer regel än undantag. READ MORE

  4. 3. Populationsbiologi av kronrost på havre

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Jonas Törngren; [2015]
    Keywords : Puccinia coronata f. sp. avenae; havre; getapel; populationsbiologi; mikrosatelliter;

    Abstract : Den genetiska diversiteten och populationsstrukturen hos svenska individer av Puccinia coronata, vilken orsakar kronrost i havre, undersöktes för att utreda hur viktig den sexuella reproduktionen är hos arten. Syftet med studien var att bidra till utvecklandet av integrerade växtskyddsmetoder för havre. READ MORE

  5. 4. Local adaptation of larval life history in the moor frog Rana arvalis across a landscape mosaic

    University essay from Institutionen för biologisk grundutbildning; Populationsbiologi och naturvårdsbiologi

    Author : Monique Lustenhouwer; [2012]
    Keywords : rana arvalis; moor frog; growth rate; local adaptation; life history; landscape mosaic; predation;

    Abstract : Growth rate is an important life history trait, which impacts fitness indirectly through its effect on the age and size at maturity, as well as directly through costs associated with accelerated growth such as increased predation risk. Genetic variation and plasticity in growth are widespread in nature, and local adaptation of growth rate may evolve due to divergent selection in different environments, for example related to predation risk, temperature or time constraints. READ MORE

  6. 5. Siberian jay friendship test : A study on group cohesion

    University essay from Populationsbiologi och naturvårdsbiologi; Institutionen för biologisk grundutbildning

    Author : Radoslav Kozma; [2011]
    Keywords : Perisoreus infaustus; family living; group cohesion; delayed dispersal;

    Abstract : Group and family living is an integral part of many animals’ ecology. Thus the behavior became associated with plenty of advantages as well as disadvantages. However, rarely has the actual concept of the group been investigated. READ MORE