Sökning: "fish behavior"

Visar resultat 1 - 5 av 88 uppsatser innehållade orden fish behavior.

  1. 1. The effect of the COVID-19 lockdown on the spatial ecology of moose in an area with high recreational activity

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Maximilian Dörr; [2024]
    Nyckelord :Moose; Alces alces; habitat selection; tourism; human disturbance; activity; movement; speed; seasons; Covid-19; pandemic;

    Sammanfattning : In diverse landscapes, the coexistence of wildlife habitat requirements and human land use often leads to conflicts, posing challenges for sustainable species management. Recreational activities, especially in sparsely populated areas, frequently disturb wildlife behavior, necessitating a comprehensive assessment of anthropogenic impacts on habitats. LÄS MER

  3. 2. A parasitic bivalve affects the interaction between a native and an invasive salmonid

    Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Författare :Brander Isac; [2023-04-18]
    Nyckelord :Glochidia larvae; Infestation class; General dominance behavior; Dominant subordinate; Strikes;

    Sammanfattning : The glochidia larvae of the freshwater pear mussel parasitize on juvenile brown trout during their maturation into tiny mussels. The parasitation has several negative impacts on the trout, one of the less studied being behavioral effects. LÄS MER

  4. 3. Habitat use and activity patterns of three Eulemur species in the forest and restoration areas of Ranomafana and Ankafobe, Madagascar

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Nicole Scholte Lubberink; [2023]
    Nyckelord :fragmentation; anthropogenic deforestation; camera traps; occupancy modelling; detection probability;

    Sammanfattning : Anthropogenic deforestation is a major threat to forest environments, as it leads to habitat loss and fragmentation. Many species suffer from these consequences due to reduced resource availability or connectivity. Forests in Madagascar have drastically been reduced in the past few centuries. LÄS MER

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

    Master-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Johanna Björkman; [2023]
    Nyckelord :;

    Sammanfattning : 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. LÄS MER

  7. 5. SWAT Runoff Modeling and Salinity Estimation in the Odra River Catchment

    Master-uppsats, Stockholms universitet/Institutionen för naturgeografi

    Författare :Tassilo Thebe; [2023]
    Nyckelord :;

    Sammanfattning : In 2022, a significant fish die-off happened in the Odra River due to a bloomof the toxic gold algae species Prymnesium parvum, which occurs in saline andwarm waters. This event is seen as a major ecological disaster in recent Europeanriver incident history. LÄS MER