Sökning: "Planting activities"

Visar resultat 1 - 5 av 9 avhandlingar innehållade orden Planting activities.

  1. 1. Planteringar vid järnvägen. Funktion och organisation under stambanornas första tid

    Författare :Anna Lindgren; Göteborgs universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Planting activities; Garden history; Plant nurseries; Swedish railways; State railways; Railway gardens; Station parks; Cultural heritage; Domestication theory; 19th century;

    Sammanfattning : I den här licentiatuppsatsen undersöks planteringar vid de första stambanorna i Sverige mellan åren 1855–1875. När järnvägar för persontrafik började byggas i mitten av 1800-talet innebar de en stor förändring av samhället, landskapet och människors vardagsliv. LÄS MER

  3. 2. A Methodology for Automation of Mechanized Forest Regeneration

    Författare :Håkan Lideskog; Magnus Karlberg; Dan Bergström; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Computer Aided Design; Datorstödd maskinkonstruktion;

    Sammanfattning : High quality forest regeneration is typically performed by a combination of site preparation through mounding and deep planting. These operations are performed either by mounders with subsequent manual planting, or by mechanized tree planting devices that creates mounds and, simultaneously, plant seedlings. LÄS MER

  4. 3. Vision based perception systems for unmanned forestry machines

    Författare :Songyu Li; Magnus Karlberg; Håkan Lideskog; Torbjörn Lindbäck; Tomas Nordfjell; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Design; Maskinkonstruktion;

    Sammanfattning : After years of continuous development in the past decades, the field of forest production has achieved a notable degree of mechanization. Nonetheless, the unceasing demand for increased productivity in forestry operations continues to drive the rapid expansion of forestry automation. LÄS MER

  5. 4. Participatory forest management for sustainable livelihoods in the Bale Mountains, Southern Ethiopia

    Författare :Yemiru Tesfaye; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : Preventing environmental degradation and alleviating poverty are the twin challenges of sustainable development. Participatory forest management (PFM) takes the challenge of preventing the degradation of forest resources while sustaining forest-based benefits to people's livelihoods. LÄS MER

  7. 5. Drivers of ungulate behavior in the context of human-wildlife conflicts : The effects of food, fear and temperature on ungulate landscape use and impacts

    Författare :Anna Widén; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Ungulates inhabiting managed landscapes generate important ecosystem services. However, their landscape use may cause negative impacts on human land uses. Expanding ungulate populations in Europe lead to increased human-wildlife conflict, but is also perceived as positive by stakeholders that favor high ungulate numbers. LÄS MER