Essays about: "betula sp"

Showing result 1 - 5 of 8 essays containing the words betula sp.

  1. 1. The secret life of moose : patterns of foraging and behaviour based on video collars

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : cecilia Åström; [2022]
    Keywords : moose; alces alces; foraging; video footage; herbivory; browsing;

    Abstract : To understand how moose forage in the wild, we have to study them without disturbing them then. Video cameras placed on moose are a novel method to study wild individuals without being intrusive. I analyzed video footage from four moose collars, filmed up to nine times a day and filmed from 4 to 11 months, for maximum of 4,5 minutes a day. READ MORE

  3. 2. "Den kemiska bekämpningen av skadlig lövskog har öppnat helt nya vyer för skogsbruket" : flygbesprutning med herbicider i Arjeplog 1953-1978

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Sandra Laestander; [2015]
    Keywords : herbicider; skogsbruk; skogsstruktur; flygbesprutning; lövträd; norra Sverige; fenoxisyror; skogshistoria; herbicides; forestry; forest structure; aerial spraying; deciduous trees; northern Sweden; phenoxy acids; forest history;

    Abstract : Attityden gentemot lövträd och lövskog i norra Sverige började förändras i mitten av 1900-talet. Tidigare var lövträden en resurs inom det agrara samhället, men genom det industriella skogsbrukets utveckling började man alltmer betrakta lövträden som ett problem. READ MORE

  4. 3. Trädslagsjämförelser på Omberg

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Tobias Johansson; [2008]
    Keywords : trädslagsjämförelser; Omberg;

    Abstract : Det här examensarbetet är skrivet på C-nivå, inom ämnet skogshushållning på institutionen för Sydsvensk skogsvetenskap. Omfattningen är 10 poäng (15 hp), vilket motsvarar 10 veckors heltidsstudier. Handledare för arbetet har varit Ulf Johansson och Per Magnus Ekö, examinator var Eric Agestam. READ MORE

  5. 4. Are trees on islands more exposed to lightning-strokes than trees at mainland?

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Susanne Ahlander; [2007]
    Keywords : lightning strikes; lightning scars; islands; pinus sylvestris; quercus robur; betula sp.;

    Abstract : All vegetation is subject to different kinds of disturbances. Before human intervention, lightning strikes were the principal natural cause of ignition in conifer dominated European forests (Gromtsev 2002; Granström 2001). READ MORE

  6. 5. Viltets inverkan på vegetationsutvecklingen i en sydsvensk skogsföryngring

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Elias Turesson; [2006]
    Keywords : viltbetestryck; vegetationsutveckling; Sydsverige; skogsföryngring;

    Abstract : Herbivore impact on the Swedish forest has under a long time been a common subject of debate. There are many different opinions depending on what direction the forest owner has with his/her forest. Populations of moose and roe deer have increased significantly in Sweden during the last decades. READ MORE