Sökning: "Behavioural experiments"

Visar resultat 1 - 5 av 84 avhandlingar innehållade orden Behavioural experiments.

  1. 1. Seasonal change in defensive coloration in a shieldbug

    Författare :Aleksandra I. Johansen; Gabriella Gamberale-Stille; Birgitta S. Tullberg; Graeme Ruxton; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Shield bug; colour change; protective coloration; cryptic; aposematic; behavioural change; etologi; Ethology;

    Sammanfattning : Protective coloration such as aposematism and crypsis occurs in many insects but only a few species alter their defensive strategy during the same instar. We hypothesize the adult shield bug Graphosoma lineatum with an alternating black and non-melanised longitudinal striation exhibit such a change in defensive coloration. LÄS MER

  3. 2. Phenotypic and social effects on behavioural trade-offs in Eurasian perch

    Författare :Gustav Hellström; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Trading between conflicting demands is a fundamental part in how animals interact with its environment and social surrounding. Knowledge of what factors that are affecting behavioural decisions is central in our understanding of animal adaptation and ecology. LÄS MER

  4. 3. Human Behaviour in Social-Ecological Systems : Insights from economic experiments and agent-based modelling

    Författare :Caroline Schill; Therese Lindahl; Anne-Sophie Crépin; Johan Colding; Carl Folke; Juan Camilo Cárdenas; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Human behaviour; Common-pool resources; Ecological complexity; Collective action; Sustainable resource use; Regime shifts; Thresholds; Uncertainty; Communication; Knowledge-sharing; Economic experiments; Laboratory and field experiments; Agent-based modelling; Complex adaptive systems; Social-ecological systems; Sustainability Science; vetenskap om hållbar utveckling;

    Sammanfattning : Progress towards sustainability requires changes in our individual and collective behaviour. Yet, our fundamental understanding of behaviour in relation to environmental change remains severely limited. LÄS MER

  5. 4. Elevator evacuation : Exploring behavioural aspects

    Författare :Axel Mossberg; Avdelningen för Brandteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; elevator evacuation; evacuation; human behaviour; exit choice; waiting time; occupant evacuation elevator; lift;

    Sammanfattning : As tall buildings and deep underground structures around the world increase in both numbers and complexity, the issues with evacuation of such structures, e.g., fatigue during evacuation or difficulties for people with functional limitations to evacuate, become more prominent. LÄS MER

  7. 5. Polymer-Mediated Interactions and Phase Behaviour of Polymer-Particle Dispersions

    Författare :Sara Haddadi; Beräkningskemi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Simulations; Experiments; Particles; Phase transition; Stability; capillary induced phase separation; Polymer solutions; phase diagram; surface effects; Bulk properties;

    Sammanfattning : Interactions between colloidal particles can be modelled by particles grafted with polymers. In this work, structural and physical properties of colloids are investigated under variation of parameters such as pH, ionic strength, and temperature, where aggregation and cluster formation can be monitored in aqueous solution. LÄS MER