Uppsatser om conservation
319 uppsatser · sida 22 av 22
Examensarbete · SLU
… fires in Sweden today are prescribed fires for the purpose of environmental conservation. How these fires affect lichens is largely unknown. The aim of this study is to find out how epiphytic fruticose and foliose lichens on Scots pine are affected by fire, and to elucidate the …
Examensarbete · SLU
… important. Three CCF regimes were detected. An important result in terms of conservation value was that diameter distributions were not changed by harvesting. This could imply that these methods are worth considering if the purpose is to preserve a certain environment regardless …
från odling till utfodring av växande nötkreatur
Examensarbete · SLU
… been conducted on forage maize for growing cattle, including cultivation and conservation of the maize. The forage maize is planted in April or the beginning of May when the temperature in the soil is between 6 and 10°C. Maize needs high temperatures and much water. Maize is …
Har diversiteten av kärlväxtarter förändrats?
D-uppsats · Karlstads universitet
En av de största orsakerna till den massiva förlusten av växtarter, är fragmenteringen av habitat. I Europa är öppna naturbetesmarker och ängar de habitat som genomgått de största förändringarna i och med jordbrukslandskapets omstruktureringar under 1900-talet. I den här studien …