Sökning: "Bark Beetle"

Visar resultat 1 - 5 av 19 uppsatser innehållade orden Bark Beetle.

  1. 1. Detecting bark beetle damage with Sentinel-2 multi-temporal data in Sweden

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Shuo Yang; [2019]
    Nyckelord :Physical Geography and Ecosystem Analysis; Remote Sensing; Bark Beetle; Insect Detection; Sentinel-2; Forest Health; Maximum Likelihood; Random Forest; Spectral Signature; Vegetation Indices; Earth and Environmental Sciences;

    Sammanfattning : The European spruce bark beetle is considered as one of the most destructive forest insects to Norway spruce trees in Europe. Climate change may increase the frequency and intensity of bark beetle outbreaks. It is therefore of vital importance to detect the bark beetle outbreaks and take it under control to prevent further damages. LÄS MER

  2. 2. Saproxylic beetles in Populus tremula fauna depots - how do you construct the best depot?

    Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Simon Selberg; [2019]
    Nyckelord :aspen; populus; tremula; saproxylic; beetle; fauna; depot; species; richness; abundance; diversity; cwd; course; woody; debris; forest; asp; populus; tremula; vedlevande; skalbagge; fauna; depå; art; mångfald; diversitet; död; ved; cwd; skog;

    Sammanfattning : The biodiversity of saproxylic organisms and in the case of this study, saproxylic beetles, is dependent on the amount and quality of course woody debris (CWD) in the environment. Over the past decades the quantity of CWD in Swedish forests has increased, yet the quality has decreased, forests are managed and exploited, and old-growth forests are rarer. LÄS MER

  3. 3. Exploring the Places that Language and Nature Converge. Ethics and Aesthetics in Jody Gladding’s Poetry

    Kandidat-uppsats, Lunds universitet/Engelska

    Författare :Kristina Csiki Helg; [2019]
    Nyckelord :Jody Gladding; ecocriticism; ecopoetry; Languages and Literatures;

    Sammanfattning : The need for sustainable solutions to the negative state of the Earth is urgent. Ethical choices need to be made and humanity’s endowed imagination needs to be employed to find creative ways ahead. LÄS MER

  4. 4. Survey-studie på Hyllonox och Woodcoat

    Kandidat-uppsats, SLU/School for Forest Management

    Författare :Anton Broman; Rasmus Johansson; [2019]
    Nyckelord :Snytbagge; Beläggningsskydd; Skogsplantor;

    Sammanfattning : The pine weeil (Hylobius abietis) is a beetle that eats bark on smaller plants, which can cause plants to die in the event of severe attacks. Without increased protection measures, up to 90 per cent of the plants are estimated to die in the pine weeil reared areas in southern and central Sweden. LÄS MER

  5. 5. Comparison between three landscape analysis tools to aid conservation efforts

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Elsa Nordén; [2016]
    Nyckelord :circuit theory; graph theory; connectivity; habitat fragmentation; GIS algorithms; Physical Geography and Ecosystems Analysis; Earth and Environmental Sciences;

    Sammanfattning : Habitatminskning är ett stort hot mot den biologiska mångfalden, som ofta orsakar sämre spridning mellan habitat. I och med att kunskapen om landskapssamband har växt, har GIS-verktyg för att rumsligt analysera landskapssamband för olika arter blivit allt vanligare. LÄS MER