Sökning: "forest productivity"

Visar resultat 1 - 5 av 243 uppsatser innehållade orden forest productivity.

  1. 1. Forest fertilization does not cause any long-term effects on tree growth or vegetation composition

    Master-uppsats, SLU/Dept. of Ecology

    Författare :Yixian Chen; [2023]
    Nyckelord :density; ground vegetation; height; stem radial growth; legacy nitrogen effect; soil total N and C N ratio; tree;

    Sammanfattning : Forest fertilization is considered one of the most effective management options to improve forest productivity. In Fennoscandia, nitrogen (N) fertilization has been practiced for over 50 years and is normally added in the form of granules of NH4NO3 at least 15 years prior to the final harvest. LÄS MER

  3. 2. Predicting Breakdowns in Transportation Vehicles using Supervised Learning

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Shuo Li; [2023]
    Nyckelord :Breakdown Prediction; Transportation Vehicles; Diagnose; Gradient Boosting Classifier; Ensemble Model; Förutsägelse av haveri; transportfordon; diagnos; Gradient Boosting Classifier; Ensemblemodell;

    Sammanfattning : Vehicle breakdowns can lead to fatal accidents, increase costs and reduce productivity. Therefore, robust and accurate fault diagnosis and prediction systems are critical to ensure the proper operation of vehicles. Many researchers have used machine learning for the prediction of vehicle breakdowns. LÄS MER

  4. 3. STUDY OF DISTRIBUTED/FEDERATED LEARNING APPROACHES WITH RANDOM FOREST FOR SENSOR FAILURE DETECTION IN MANUFACTURING ENVIRONMENT

    Kandidat-uppsats, Mälardalens universitet/Akademin för innovation, design och teknik

    Författare :Andreas Karlsson; [2023]
    Nyckelord :;

    Sammanfattning : In a manufacturing environment, the continuous operation of production lines is of most importance to ensure optimal productivity and profitability. To maintain efficiency and safety, production lines often rely on systems that utilize data from sensors placed around the manufacturing process. LÄS MER

  5. 4. The restoration period : a new era in forestry

    Master-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Ester Andersson; [2023]
    Nyckelord :historical forest management; past logging; restoration;

    Sammanfattning : 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. LÄS MER

  7. 5. Jämförelse av planteringsresultatet mellan markberedningsmetoderna harvspår och omvänd torva för planteringsmaskinen Plantma X

    Uppsats för yrkesexamina på avancerad nivå, SLU/Department of Forest Biomaterials and Technology (from 131204)

    Författare :Simon Dahlberg; [2023]
    Nyckelord :Maskinell plantering; terrängegenskap; planteringskvalitet; högläggning; blockkvot; stubbtäthet; humustjocklek;

    Sammanfattning : Holmen har som första skogsbolag i Sverige köpt in planteringsmaskinen Plantma X med syfte att i framtiden ersätta delar av den manuella planteringen med maskinell plantering. Bra planteringskvalité samt en markberedningsmetod anpassad till traktens terrängegenskaper är viktiga faktorer för att planteringsmaskinen ska kunna implementeras i större skala framöver. LÄS MER