Sökning: "amphibians"
Visar resultat 11 - 15 av 40 uppsatser innehållade ordet amphibians.
11. Lökgrodan i Frihult, Skåne - en statusuppdatering med fokus på chytridiomykos
Master-uppsats, Lunds universitet/Examensarbeten i biologiSammanfattning : Amphibians are globally among the most endangered taxonomic groups of vertebrates. This is partly due to the chytrid fungus Batrachochytrium dendrobatidis (Bd), which causes the disease chytridiomycosis, that have led to eradication of more than 90 species of amphibians worldwide. LÄS MER
12. Går det att skapa lekdammar till salamandrar? : en utvärdering av naturvårdsåtgärder för större vattensalamander i Uppsala län
Kandidat-uppsats, SLU/Dept. of EcologySammanfattning : Våra svenska groddjursarters utbredning hotas av att småvattenlandskapen minskar till följd av igenväxning, exploatering och fragmentering. Groddjur är helt beroende av mindre dammar för att reproducera sig, men kräver även ett passande landhabitat. LÄS MER
13. Predatoriska fåglars effekt på populationsdynamiken hos amfibier
Kandidat-uppsats, Högskolan i Halmstad/Akademin för företagande, innovation och hållbarhetSammanfattning : The global amphibian population is rapidly declining. Although many threats that affect amphibians are known, there are many contributing factors which are not fully understood. For adult amphibians, the largest part of the mortality comes from predation. LÄS MER
14. Tawny owl ( Strix aluco ) and its variation in diet between years
Kandidat-uppsats, Lunds universitet/Examensarbeten i biologiSammanfattning : The tawny owl resides in temperate forests in Europe and mainly hunts rodents but can also hunt other animals like birds,invertebrates and bats. In this study I examined how the diet of tawny owls varies during the span of 2018-2020, I also compared the diet found from nest boxes with footage obtained from cameras inside the nestboxes. LÄS MER
15. Laid eggs in vain got eaten by a crane? : Investigating habitat selection and activity by Common cranes to consider potential impact on other wetland bird species
Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildningSammanfattning : Wetland species are declining and efforts are being made to protect wetlands and their biodiversity. In Europe, these efforts could be hampered by the recent rise in the Western European Common crane (Grus grus) population. LÄS MER