Uppsatser om herbivores
20 uppsatser · sida 1 av 2
Övrigt arbete · SLU
… the question has been raised, wether or not it is needed to re-introduce large herbivores into the wild in order to maintain the biodiversity that is related to the extensive land use.This study has been conducted as a literature review and will focus on the European bison’s …
en fältstudie över föryngring, trädslagsfördelning och död ved 14 år efter åtgärd
Examensarbete · SLU
… only six percent. Almost half of (40%) all woody shoots were damaged by herbivores, when investigated. Saplings/sprouts in height of 20-150cm were more often and worse subjected to herbivory. One third of all shoots showed more than fifty percentage damage. Future stand …
Kandidatuppsats · SLU
… our expectations that elephants eat most of the day, even compared to other herbivores. Walking, standing and other behaviour was performed most in the period between 10-11.59 am while foraging was performed mostly during the first two hours and the last two hours. When looking …
Annons
Kandidatuppsats · SLU
… study was to show how the Hybrid Larch (Larix eurolepis x) are used by large herbivores in terms of grazing and fraying. More specifically I studied how impact on the seedlings was affected by forest stand area, tree height and stem density (stems/ha).The survey was done in …
djurbenen belyser den gotländska medeltida borgens husdjurshållning samt husgrundernas användningsområden
Kandidatuppsats · Högskolan på Gotland
… from cattle. This means the inhabitants most probably eat meat from smaller herbivores more often than meat from cattle. Pigs have also been consumed at the castle but not in the same extent as sheep/goat and cattle. Hunting as well as fishing hasn’t had a significant role for …
Kandidatuppsats · Linköpings universitet
… indicate that, in a food web with three trophiclevels, the densities of herbivores and carnivores drops in response to an increased change ofclimate. The extinction rates of carnivores also increase rapidly in response to an increasedclimate change.
Examensarbete, grundnivå · SLU
… grazing among other species in order to avoid being caught by predators. Other herbivores might also feed on plant species less attractive to warthogs and thereby allowing plant species that warthogs favour to grow.
Masteruppsats · SLU
To better understand how various factors affect the establishment of forest and trees around the tree line-ecotone, this study was conducted in Troms County, Norway. The altitude of different forest and tree limits together with the surrounding vegetation type were collected …
Kandidatuppsats · SLU
… involving some of the more important concepts in plant defense against herbivores. The glucosinolate/myrosinase system as well as defense activation was studied in more detail. The study concluded that although Bacillus mediated priming was found to have an effect on some …
Jämförelse mellan mätmetoderna extraktion, inkubation och jonbytesmembran (PRS-sond)
Kandidatuppsats · Umeå universitet
… experiment were set up in northern Finland with the treatments excluding herbivores, warming and fertilization to see how the inorganic nitrogen content in the soil was effected by the treatments. Soil cores were taken and from them a subsample was incubated for 18 days and …
hästens ättid och skötarens arbetsmiljö
Kandidatuppsats · SLU
Horses are by nature herbivores, specialized on grass, and graze during the main part of the day. The horse has neither changed this basic behaviour nor the function of gastro-intestinal tract, when the horse was domesticated by man. A horse on pasture has an even production of …
a laboratory study based on olfaction
Kandidatuppsats · SLU
… and ecologically sustainable solutions to the problems caused by these herbivores. The aim of this thesis was to study the behavior and the induced feeding preferences in larvae of M. sexta and S. littoralis when reared on certain host plants. The hypothesis was that larvae of …
Kandidatuppsats · SLU
Interaktioner mellan vilda herbivorer och nötboskap är väldigt komplexa. Bland nackdelarna väger överföring av sjukdomar tyngst. Uppskattningsvis har cirka 70 % av alla sjukdomar hos boskap (inklusive zoonoser) som uppkommit på senare tid sitt ursprung hos vilda djur. Sjukdomar …
Masteruppsats · SLU
… composition and structure. Selective browsing with other damages of large herbivores on tree species with different tolerance to disturbance could reshape the tree layer in both managed and natural forests. Rowan Sorbus aucuparia is widely distributed throughout Sweden and …
Magisteruppsats · SLU
… a crop effect on the community of free-living nematodes in the pot experiment. Herbivores had a lower abundance in pots with bare fallow in contrast to pots with a crop. This clear result didn’t show in the analysis of the season sampling. It’s possible that bare fallow need a …