Sökning: "syrphidae"
Visar resultat 1 - 5 av 7 uppsatser innehållade ordet syrphidae.
1. Hur nutidens ängs- och naturbetesmarkers beskaffenhet och skötsel kan anpassas till att förbättra pollinering inom trädgårdsnäringen
Kandidat-uppsats, SLU/Dept. of Plant Protection BiologySammanfattning : Genom pollinering överförs pollen av pollinerare till grödor som därigenom befruktas. Jordbruk och trädgårdsnäring är beroende av pollinering av deras blommande växter. LÄS MER
2. Flower preferences among weed-visiting insects in field edges
Master-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologiSammanfattning : The increased improvement of weed control throughout the years has led to a decrease in the amount of weed in arable fields. Weeds can be a source of pollen and nectar. Pollinating insects are dependent on a variety of plants for nectar and pollen. LÄS MER
3. Examining the Link between Temperature and Flight Phenology in Hoverflies (Diptera: Syrphidae) Using Swedish Citizen Science Data
Kandidat-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologiSammanfattning : Global warming is causing a general trend of rising temperatures worldwide. Simultaneously there is also a decline in populations of pollinators all over the world. Therefore, it is important to examine the effect warming temperatures might have on different pollinator species. LÄS MER
4. Pollinerande insekters (Apidae, Rhopalocera och Syrphidae) förekomst intill vägar i södra Sverige.
Kandidat-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskapSammanfattning : More conservation programs directed towards insects are needed in order to prevent the continue decline in which many insect species in the world are heading to. New ways to use the remaining microhabitats are needed to mitigate the fragmentation and degradation that urbanization and modern agriculture have contributed to in the southern Swedish landscapes. LÄS MER
5. Effects of flower abundance and colour on pan-trap catches
Master-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologiSammanfattning : Pollinating insects are important for many plants and for the human population. To be able to monitor pollinators and assess improvements made for them, it is important to get information about pollinator population changes. Therefore, it is essential that the methods used to collect data are accurate (i.e. LÄS MER