Sökning: "predator-prey"
Visar resultat 11 - 15 av 33 uppsatser innehållade ordet predator-prey.
11. Development of northern pike (Esox lucius) populations in the Baltic Sea, and potential effects of grey seal (Halichoerus grypus) predation
Master-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : Worldwide, marine mammal populations are increasing after considerable efforts to turn the downward trends caused by hunting, accidental mortality and pollution. The ecosystem effects from the increases of these top predators may be pronounced, but are in most cases poorly known. LÄS MER
12. Invasive round goby, Neogobius melanostomus - suitable prey for native cod, Gadus morhua?
Kandidat-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : Invasive species is a worldwide issue that is considered to be the one of the main reasons to losses of biodiversity. The round goby, Neogobius melanostomus, is an invasive species in the Baltic Sea that originates from the Black- and Caspian Sea. LÄS MER
13. Removing noise with an Autoencoder in a Predator-Prey Ordinary Differential Equation
Kandidat-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)Sammanfattning : When studying populations of animals, you might want to try to predict the future population growth of the animals within a region. While there are other factors in play and depending on the looked at species, one of the major factors to look at can be the predator-prey relationship between two species. LÄS MER
14. Fire effects in a landscape of fear : food availability and perceived predation risk as potential determinants of patch utilization by herbivore prey
Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental StudiesSammanfattning : Context: A major effect of climatic change is the global increase in forest fires, which potentially creates an increase in food availability for herbivorous species. Also vegetation density and the numbers of tree logs increase in burned sites, and this is thought to influence the perceived risk of herbivore prey species, which affects their anti‐predator behaviour and thereby the patch utilization. LÄS MER
15. Seasonal changes in clupeids maturation constrains the food quality of chicks of the common guillemot (Uria aalge) : A case study of a potential mismatch, from the perspective of the common guillemot chicks on Stora Karlsö, the Baltic Sea
Master-uppsats, Stockholms universitet/Stockholm Resilience CentreSammanfattning : Background: Common guillemots are integral elements of the Baltic Sea marine ecosystem. They possess life-history characteristics such as relatively long lifespan, quite low fecundity resulting in only one egg per breeding season – characteristics that make them particularly vulnerable to even small changes in the environment. LÄS MER