Essays about: "pheromones"

Showing result 16 - 20 of 27 essays containing the word pheromones.

  1. 16. Swarm-based Area Exploration and Coverage based on Pheromones and Bird Flocks

    University essay from Informationssystem

    Author : Elio Ventocilla; [2013]
    Keywords : swarm intelligence; computational intelligence; area exploration; area coverage; pheromones; agents; bird flock; swarm-based; ants; confidence;

    Abstract : Swarm Intelligence (SI) is a young field of study from which solutions to complex problems have been proposed based on how some natural organisms (e.g. ants, bees and others) achieve many of their daily tasks through simple sets of interactions. This thesis proposes two models for area exploration and coverage based on SI principles. READ MORE

  3. 17. Stress hos hund – stressreducerande åtgärder på vårdavdelningen

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Alexandra Nyberg; [2013]
    Keywords : stress; beteende; djursjukhus; hund; miljöberikning;

    Abstract : Stress is common in today’s society, but the word stress has numerous connotations. The aim of this study was to investigate how dogs are effected by stress and what the veterinary nurse can do to help dogs to avoid or at least mitigate stress within the veterinary hospital. READ MORE

  4. 18. Obstruktiv FLUTD - ett nödvändigt ont eller möjligt att förebygga?

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Melinda Rundström; [2013]
    Keywords : flutd; felin idiopatisk cystit; uretraobstruktion; urinstopp;

    Abstract : FLUTD - Feline Lower Urinary Tract Disease – is a complex disease and a common sight in the veterinary setting. Although FLUTD excluding urethral obstruction may be discomforting for the cat and its owner due to symptoms such as periuria, stranguria, hematuria, dysuria and pollakiuria, obstruction presents an acute and potentially lethal form of the disease as a result of uremia and disturbances in fluids, electrolytes and acid-base balances. READ MORE

  5. 19. Fängslande dofter på gott och ont : doftämnen för bekämpning av skadegörare i fruktodlingar

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Cinna Cederlöf; [2013]
    Keywords : feromoner; doftämnen; kairomoner; rönnbärsmal; äpplevecklare; feromonförvirring; bekämpning; prognos; registrering; äpple; EU; applicering; IPM;

    Abstract : Kemiska bekämpningsmedel har länge varit det förhärskande sättet på vilket odlare skyddar grödor, men på senare år har alternativa och säkrare metoder för bekämpning av skadegörare blivit alltmer aktuella. Bakgrunden till detta är en ökad medvetenhet om riskerna förknippade med användningen av kemiska bekämpningsmedel, både för producent och konsument. READ MORE

  6. 20. Pheromone-based monitoring of Elater ferrugineus as an indicator for species-rich hollow oak stands

    University essay from SLU/Plant Breeding and Biotechnology (until 121231)

    Author : Klas Andersson; [2012]
    Keywords : Elater ferrugineus; Osmoderma eremita ; saproxylic; indicator ; Quercus sp. ; pheromones; conservation;

    Abstract : The rare beetle Elater ferrugineus was sampled at 47 sites in the county of Östergötland, Sweden by means of pheromone-baited traps to assess its value as an indicator species for hollow oak stands rich in rare saproxylic beetle species. In addition Osmoderma eremita was sampled with the same method. READ MORE