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Showing result 1 - 5 of 43 essays matching the above criteria.

  1. 1. Vibrational signals as indicators of soil fauna health? : A novel approach to environmental monitoring of ants

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Joel Fransson Forsberg; [2023]
    Keywords : Vibrations; Formica ants; Vibrometer; Vibrational signals; Imidacloprid; Before-After-Control-Impact;

    Abstract : Soil fauna provides processes of crucial importance for ecosystem functions, but our ability to observe their actions often depend on destructive methods where the integrity of the studied environment (the soil) is compromised. In this study, I develop and test a new generation of environmental monitoring tools that utilize vibrations made by soil macrofauna to inform about their performance and health. READ MORE

  3. 2. Behavioral response of reindeer (Rangifer tarandus) to acoustic stimuli

    University essay from SLU/Dept. of Ecology

    Author : Johanna Börs; [2023]
    Keywords : reindeer; Rangifer tarandus; acoustic stimuli; behavioral response; flight response; induced fear;

    Abstract : Scare systems based on acoustic stimuli have been tested on several ungulates in recent years. The aim has been to investigate whether the method can be useful in situations where the animals must quickly be displaced from a specific site, for example, to prevent wildlife accidents. READ MORE

  4. 3. Egg-laying and nesting behavior of common eider at Stora Karlsö

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Anna Olsson; [2023]
    Keywords : ;

    Abstract : The population of common eider (Somateria mollissima) has suffered a dramatic decline in several breeding locations since the 1990s. Predation is described as one of the main reasons, along with other suggested explanations such as food shortage, environmental pollutants, and thiamine shortage. READ MORE

  5. 4. Hästens möjlighet att utföra beteendebehov vid behandling och rehabilitering i hängmatta och på strikt boxvila

    University essay from SLU/Dept. of Clinical Sciences

    Author : Lydia Bergqvist; Magdalena Björkqvist; [2023]
    Keywords : behandling; beteendebehov; hängmatta; rehabilitering; stereotypier;

    Abstract : Ett beteendebehov är ett starkt motiverat beteende hos djur som ställer specifika krav på den miljö de hålls i, och möjligheten att utföra dessa beteenden är avgörande för djurets välfärd. Den domesticerade hästen har idag kvar beteendebehov som exempelvis social kontakt, födosök och möjlighet till fri rörelse vilka alla är en kvarleva från hästens ursprung. READ MORE

  6. 5. Investigating the temperature mediated effects of antidepressant pharmaceutical on foraging behavior and activity in aquatic invertebrates

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Johanna Björkman; [2023]
    Keywords : ;

    Abstract : Contamination by pharmaceuticals in aquatic environments is an increasing problem globally. Wide range of pharmaceuticals of different treatments classes are commonly detected in water and the tissues of organisms and there is a growing concern about how these substances might affect the aquatic ecosystems. READ MORE