Sökning: "antipredation"
Hittade 5 uppsatser innehållade ordet antipredation.
1. Vad driver hunddjur till att leva i flock? : med fokus på jakt, reproduktion och antipredation
Kandidat-uppsats, SLU/Dept. of Animal Environment and HealthSammanfattning : Different animals across the globe display a diverse amount of social structures but it’s not clearly understood why some animals choose to live solitary and some in pairs or groups. There are many clear advantages with hunting in groups, communal nursing and defending territories. LÄS MER
2. The effect of an anti-depressant on responses to predation in an isopod
Kandidat-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologiSammanfattning : A lot of chemicals and pharmaceutical substances used by humans, are released into the waste-water and end up in lakes and ponds. Further, because pharmaceutical substances are increasing worldwide, the problem increases. A very common human anti-depressant is fluoxetine which is found in lakes, ponds and even in the bodies of aquatic organisms. LÄS MER
3. Vad har zebran för strategier för att undkomma rovdjur?
Kandidat-uppsats, SLU/Dept. of Biomedical Sciences and Veterinary Public HealthSammanfattning : Som bytesdjur måste zebran ständigt vara på sin vakt för att undvika att falla offer för ett rovdjur. De tre zebraarter som finns i världen är bergzebra, stäppzebra och Grevyzebra. De olika arterna lever på olika platser och de har även olika sociala strukturer. LÄS MER
4. Effekter av yttäckande is kontra ljusinsläpp på öringens (Salmo trutta) antipredationsbeteende under vinter
Kandidat-uppsats, Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)Sammanfattning : Previous studies have shown that ice cover has many positive effects on brown trout (Salmo trutta), including protection from endothermic predators. I tested whether it is the cover provided by the ice itself or the reduction in light that causes behavioral changes in juvenile brown trout. LÄS MER
5. Foraging and anti-predation behavior of Thomson’s gazelles (Gazella thomsoni) and Grant’s gazelles (Gazella granti) at a waterhole
Kandidat-uppsats, SLU/Dept. of Animal Environment and HealthSammanfattning : Prey species make behavioral decisions to reduce the perceived risk of predation and the time spent vulnerable to predation. Behavioral responses to predators are for example selection of specific habitat types and the presence of predators influence individual vigilance. LÄS MER