Sökning: "ecologi"

Hittade 3 uppsatser innehållade ordet ecologi.

  1. 1. Evaluation of Tree Planting using Computer Vision models YOLO and U-Net

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Sofie Liszka; [2023]
    Nyckelord :Unet; YOLOv8; Autonomous tree planting;

    Sammanfattning : Efficient and environmentally responsible tree planting is crucial to sustainable land management. Tree planting processes involve significant machinery and labor, impacting efficiency and ecosystem health. In response, Södra Skogsägarna introduced the BraSatt initiative to develop an autonomous planting vehicle called E-Beaver. LÄS MER

  3. 2. The future of retention forestry : the historical legacy in stands and its impact on retention in the next generation

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

    Författare :Jan Lindblad; [2019]
    Nyckelord :Naturhänsyn; trakthyggesbruk; biodiversitet; ekologiska strukturer; skogsskötsel; landskap; kontinuitet; sekundärskog; bevarande; hotade arter; tree; Green; retention; clearcutting; biodiversity; ecological structures; management; landscape; continuity; secondary forests; conservation; threatened species;

    Sammanfattning : Today, around 55% of the world’s forests are already managed for timber pro-duction and other values. The need for actions concerning the fast decline in biodiversity was in the late 20th century met by the uprising of retention forest-ry. LÄS MER

  4. 3. Naturvärden i en värmländsk bruksskog : en skogshistorisk studie av Åbengtshöjden/Bogranghöjden

    L3-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Martine Isaksson; [1997]
    Nyckelord :skogshistoria; biologisk mångfald; naturvård; kolning;

    Sammanfattning : In this study I have analysed the history of a forest belonging to Saxåhyttan in Värmland. The study area is 448 hectares and has been used by iron industry since the 16th century. A forest that has been used by man during at least 400 years should have few ecological values. This inventory however shows the opposite. LÄS MER