Essays about: "naturreservat"

Showing result 6 - 10 of 110 essays containing the word naturreservat.

  1. 6. The restoration period : a new era in forestry

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

    Author : Ester Andersson; [2023]
    Keywords : historical forest management; past logging; restoration;

    Abstract : In the last 200 years the boreal forests of Sweden have undergone a dramatic transformation. After a long history of high grading the largest trees foresters grew increasingly concerned about the state of logged over forests. The big question was how to regenerate and increase the productivity of sparse forests. READ MORE

  3. 7. Treatment of Metals in Highway Runoff Water : Comparison of green infrastructures and filter material for stormwater treatment

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Fanny von Matérn; [2023]
    Keywords : Road runoff; heavy metals; constructed wetland; stormwater pond; vegetated filterstrip; vegetated swale; sandfilter; reactive filter material; Vägdagvatten; tungmetaller; anlagd våtmark; dagvattendam; översilningsyta; svackdike; sandfilter; reaktiva filtermaterial;

    Abstract : Highway runoff transport high concentrations of heavy metals. As climate change affect the environment with for example increased storm events, the treatment of road runoff becomes more important. READ MORE

  4. 8. Reconstruction of Fire Spread with a Markov Random Field Mixture Model

    University essay from Lunds universitet/Matematisk statistik

    Author : Marcus Gehrmann; [2023]
    Keywords : Forest fire; fire scars; spatial statistics; Markov random field; EM-algorithm; pseudo-likelihood; Mathematics and Statistics;

    Abstract : This thesis revolves around reconstructing fire sizes for historical fires in Jämtgaveln, Sweden based on data of fire scars in trees. We propose a Hidden Markov Model (HMM), where the domain is divided into quadratic grid cells of 250 $\times$ 250 m and with these grid cells we associate a binary Markov random field taking values 0 or 1 corresponding to no fire and fire respectively. READ MORE

  5. 9. To clear-cut or not to clear-cut; Cost-benefit analyses of post-fire management approaches in the Ljusdal fire-complex

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Bella Blomqvist; [2023]
    Keywords : Clear-cut forestry; Continous cover forestry; Nature reserve; Cost-benefit analysis; Wildfires; Sweden; Ljusdal; Post-fire management; Earth and Environmental Sciences;

    Abstract : Wildfires causes natural disturbances to ecosystems which can have potentially damaging results for ecosystem services and economic income from timber production. The post-fire management approach can be essential for the environmental work regarding the recovery of ecosystems and maintaining ecosystem services. READ MORE

  6. 10. Rum för återhämtning : en undersökning av rekreativa faktorer i naturreservaten Hammarskog och Kronparken

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Miriam Seligsohn; [2023]
    Keywords : naturreservat; återhämtning; friluftsliv; rekreation; folkhälsa;

    Abstract : Människan har ett grundbehov av natur och miljö för vårt välmående vilket resulterat i exempelvis rehabiliteringsträdgårdar och arbete för en bättre utomhusmiljö med fokus på återhämtning. En plats som förespråkas som rum för återhämtning är naturreservat då de är en viktig arena för friluftsliv och rekreation. READ MORE