Sökning: "wildlife passages"

Visar resultat 1 - 5 av 20 uppsatser innehållade orden wildlife passages.

  1. 1. Faunabroar: Är det framtiden för minskade viltolyckor?

    Kandidat-uppsats, SLU/Dept. of Animal Environment and Health

    Författare :Lisa Huss; [2023]
    Nyckelord :viltolycka; faunapassager; vilt; dataanalys;

    Sammanfattning : Wildlife vehicle collisions (WVC) are a problem in the world that is costly and can create suffering for the affected. Every year about 65 000 WVC are reported in Sweden only. Fauna passages are built to try to reduce WVC and the fragmentation that road networks make. LÄS MER

  3. 2. Wildlife-vehicle collisions : An evaluation of the mitigation effect by ecoducts and fauna bridges in Sweden

    Magister-uppsats, Umeå universitet/Institutionen för geografi

    Författare :Anna Rietz; [2023]
    Nyckelord :Space time pattern mining; Space time cube; Emerging hot spot analysis; Overlay analysis; Bivariate choropleth map; ArcGIS Pro; Wildlife-vehicle collision WVC ; Annual daily traffic;

    Sammanfattning : The occurrence of wildlife vehicle collisions (WVCs) is an increasing problem in Sweden with a calculated increase of 45 percent from 2015 to 2022. The highest measured number of WVCs occurred in 2021 with over 67,000 reported incidents, where only the payment for the search of wounded animals were approximately 60 million Swedish crowns. LÄS MER

  4. 3. Predict sex in salmonids using motion-triggered cameras and artificial intelligence

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Albin Bidner; [2023]
    Nyckelord :census method; salmon; trout; al; camera technology;

    Sammanfattning : As the EU water directive starts to be implemented in Swedish law a new national plan of negotiating new environmental permits for every hydropower plant. This process will most likely result in the building of many new fish passages and ladders around the dams to allow fish and other aquatic life to pass them. LÄS MER

  5. 4. Återetablering av öring (Salmo trutta L.) med romutsättning : hur effektiv är metoden?

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Valdemar Samuelsson; [2021]
    Nyckelord :romutsättning; återetablering; Salmo trutta; öring; Whitlock-Vibert Boxes;

    Sammanfattning : Många vattendrag har påverkats negativt av människan, vilket medfört förändrade förutsättningar för de arter som lever i dessa miljöer. Arter som öring (Salmo trutta) är beroende av biotoper med lämpliga ståndplatser, lekbottnar samt uppväxtområden, dessa habitat har reducerats drastiskt vid exploatering av vattendragen. LÄS MER

  7. 5. Wildlife corridor use amongst reticulated giraffes (Giraffa camelopardalis reticulata) at Ol Pejeta Conservancy, Kenya

    Master-uppsats, SLU/Dept. of Animal Environment and Health

    Författare :Johanna Lund; [2019]
    Nyckelord :Giraffa camelopadalis reticulata; reticulated giraffe; migration; photographic mark-recapture; Ol Pejeta Conservancy; Laikipia; Kenya; wildlife corridor;

    Sammanfattning : The African continent is home to many large and unique wildlife species and is, as is commonly known, considered to be the birthplace of the human race. The numbers and strength of this wide array of species is however diminishing rapidly before our eyes (Campbell et al., 2003; Ogutu et al., 2016). LÄS MER