Sökning: "Andrew Sih"

Hittade 3 avhandlingar innehållade orden Andrew Sih.

  1. 1. Sexual selection and intersexual conflicts in water striders

    Författare :Göran Arnqvist; Andrew Sih; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Sexual selection; mating behaviour; parasitism; sperm competition; mate guarding; sexual dimorphism; natural selection; sexual conflicts; water striders; Heteroptera; Gerridae; Gerris; Scelionidae; Trypanosomatidae; Skinnbaggar; Etologi;

    Sammanfattning : .... LÄS MER

  3. 2. The relationship between personality and social dominance in the domestic fowl – a critical perspective

    Författare :Anna Favati; Olof Leimar; Hanne Løvlie; Andrew Sih; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; aggression; behavioural syndromes; chicken; Gallus gallus domesticus; intra-sexual selection; resource holding potential; social hierarchy; social rank; etologi; Ethology;

    Sammanfattning : Social dominance relationships are formed within numerous animal species and reduce costly fights over resources. Dominant individuals often enjoy greater access to important resources such as food and mating partners, and are generally more aggressive, bold, active and explorative compared to subdominant individuals. LÄS MER

  4. 3. Adaptation Along Environmental Gradients: an Evaluation of Physiological Mechanisms and Ecological Constraints

    Författare :Beatrice Lindgren; Anssi Laurila; Jacob Höglund; Svante Winberg; Andrew Sih; Uppsala universitet; []
    Nyckelord :Biology; Rana temporaria; latitudinal clines; growth rate; growth efficiency; SMR; predation; competition; trade-off; Biologi;

    Sammanfattning : For ectotherms living in seasonal environments, time available for development and growth is often constrained by the length of the growth season. Declining season length towards higher latitudes often select for latitudinal clines in development and growth rates, exhibiting increasing growth and developmental rates towards the north. LÄS MER