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Showing result 1 - 5 of 49 essays matching the above criteria.

  1. 1. Odlingsförsök med Pinus sylvestris i gransågspån blandat med hydrokol respektive pyrokol

    University essay from SLU/School for Forest Management

    Author : Annica Berglund; Ninja Bernzen; [2023]
    Keywords : alternativt odlingssubstrat; näringsläckage; biokol;

    Abstract : Torv är det vanligaste odlingssubstratet som används idag till de mer än 400 miljoner skogsplantor som årligen levereras till det svenska skogsbruket. Det låga näringsinnehållet och goda vattenhållande förmågan gör att torven går att anpassa efter behov med gödsling och kalkning. READ MORE

  3. 2. Differences and similarities in stand characteristics after prescribed burning and wildfire : implications for conservation of forest biodiversity

    University essay from SLU/Dept. of Ecology

    Author : Hannah Sophie Jakob; [2023]
    Keywords : coarse woody debris; conservation; biodiversity; boreal forest; Daldinia loculata; Fennoscandia; prescribed burning; regeneration; wildfire; woodpecker;

    Abstract : 1. Wildfires are a natural disturbance in the boreal forests of Fennoscandia and have shaped and formed forests in the past, resulting in very heterogeneous forests containing large amounts of dead and living trees in various age classes. READ MORE

  4. 3. Planteringspunktens påverkan på plantöverlevnad

    University essay from SLU/School for Forest Management

    Author : Albin Lindberg; Oskar Lindström; [2023]
    Keywords : planteringspunkt; plantöverlevnad; vitalitet;

    Abstract : Skogsvårdslagen har sedan 1903 satt krav på återväxt på avverkade skogsmarker. Skyddet för dessa plantor har historiskt gått från kemisk plantbehandling till mekaniskt skydd och olika former av markbehandling. READ MORE

  5. 4. Environmental factors affecting European spruce bark beetle (Ips typographus) outbreaks in Sweden : Linking AI-detected dead spruce, soil moisture, nature protection and bark beetle outbreak (Ips typographus) in Sweden

    University essay from Karlstads universitet

    Author : Petter Hessle; [2023]
    Keywords : Ips typographus; Biology; forest; Norway spruce; Picea abies; European spruce bark beetle; Ecology; outbreak; Ai; Sweden; Biologi; ekologi; skog; Granbarkborre; gran; Ai; utbrott; naturvård; Ips typographus; sverige;

    Abstract : Norway spruce (Picea abies) is a vital tree species in Sweden's extensive forested landscape. However, the planting of spruce beyond its natural range has made it vulnerable to pests like the spruce bark beetle (Ips typographus), which has caused substantial damage to Swedish forests. READ MORE

  6. 5. Recent expansion of the endangered beetle Plagionotus detritus in the greater Stockholm area

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Elin Lönnberg; [2023]
    Keywords : ;

    Abstract : Biodiversity is declining worldwide, and the biggest reason for this is habitat destruction. In Sweden one third of all the red listed species belongs in broadleaved deciduous forests. The  most common reason for the endangerment of these species is the destruction of the deciduous forest. READ MORE