Lilaköttig taggsvamp, Sárcodon fuligíneovioláceus
miljökrav i Sverige och en analys av vad som styr artens etablering
… were devoid of forest for 80 to 150 years ago. The results can be useful for conservation work and protection of the species.
Uppsatser om conservation
319 uppsatser · sida 12 av 22
Habitat preferences and reproductive success forthe threatened longhorn beetle Plagionotusdetritus
… not a good way to measure fitness. The results can be used in the future conservation work with Plagionotus detritus. Sun exposure is showed to be an important factor that will increase the production of beetles in a tree. It is important to cut around the potential host trees …
Är förekomst av knäckesjuka i tallföryngringar mindre på stora naturvårdsaspar än på aspsly?
… the forestry of today often retains mature aspens in pine regenerations for conservation purposes. The aim of this study was to evaluate if leaves on young aspens sprouts contain more spores of pine twisting rust than leaves on mature aspens and therefore in higher extent might …
Sand pits as habitat for ground beetles (Carabidae)
does the area affect species number and composition?
Sand pits are a valuable habitat which can hold many sand living species including several endangered ones. As many sand habitats with exposed sand are declining, sand pits have a potential as a substitute habitat. This study was conducted to see what effect the area of a sand …
Naturreservat
en bra naturvårdsåtgärd för att bevara enskilda arter och/eller bevara den biologiska mångfalden?
The examination of the adequate nature conservation methods in a natural reserve, to conserve a specific species and / or increase biological diversity is the subject of this study. This work is based on four species, that can be found during the Spring season, liverleaf, wood …
Frivilliga avsättningar i gröna skogsbruksplaner - en fallstudie av sex skogsfastigheter samt en enkätundersökning i Östergötland
Frivilliga avsättningar av skog med höga naturvärden är en viktig del för att nå Miljömålet ”Levande skogar”. Det finns dock tveksamheter om de naturvårdsbiologiska kvalitéerna i dessa avsättningar. Syftet med denna studie var därför att undersöka om den skog som avsätts …
Stabilisering av insektsangripna möbler
en jämförande studie av konsolidanter
Denna rapport är en jämförande studie av utvalda konsolidanter som används till att stabilisera nedbrutet insektsangripet trä. Av de trägnagande skadeinsekter vi har i Sverige är det främst den strimmiga trägnagaren som är intressant i möbelsammanhang. I rapporten beskrivs den …
Ljudlandskap i kulturmiljöer
… image. I then present examples of sound documentation concerning theconservation of built environment. In addition, I have interviewed five key informants who all have a centralresponsibility for five cultural heritage environments. Cultural heritage environments are selected on …
Genusperspektiv på kulturmiljövård. En diskussion om genus i bebyggelseantikvarisk verksamhet
… Sweden.The thesis further argues for the need of a gender perspective on the conservationof cultural heritage.The two main approaches, additive through the perspective of the women’s part inhistory and integrated gender perspective, are thoroughly presented in the thesis.In the …
Otillåtna ändringar av byggnadsminnen. Hur byggnadsminnesförändringar utförda utan tillstånd hanteras av länsstyrelserna
… handled in some Swedish county administrations. What do legislation within conservation of heritage expresses when transgressions occur? How do county administrations interpret and apply legislation to actual situations? What methods do county administrations make use of to …
Samgång av olika arter på svenska djurparker
… possible, since they havegone from displaying exotic animals to working with conservation of endangered species.It is therefore more common that zoos keep groups composed of two or more species in thesame enclosure. The aim of this report is to study why and how different …
Balis trädgårdar
… that affect reproduction success should be used instead. From the view of conservation biology, this result is important. It is of major interest that resources are given to the right habitat. However, more studies need to be done. For instance the mortality of adult birds need …
Fåglar i urbana miljöer
kvaliteten på urbana habitat och om beståndstäthet är ett bra mått på habitatkvalitet
… that affect reproduction success should be used instead. From the view of conservation biology, this result is important. It is of major interest that resources are given to the right habitat. However, more studies need to be done. For instance the mortality of adult birds need …
Den licensierade vargjaktens betydelse för vargstammen
… siblings. The occurrence of wolves in Sweden involves interests in both nature conservation and society. These interests must function together if the wolves? long-term occurrence in Sweden is to be guaranteed. According to an investigation performed by the Gothenburg University …
Effekter av predationsrisk på sånglärkors (Alauda arvensis) habitatval på åkermark
… enough to allow birds to move between them during the season. From a nature conservation point of view, sowing winter- and spring cereals next to each other would be advisable, primarily when fields border on forest edges as is common in Sweden.