Sökning: "ekologi problem"

Visar resultat 1 - 5 av 138 uppsatser innehållade orden ekologi problem.

  1. 1. The Political Ecology of Green Hydrogen from the global South : An analysis along the socioecological fix framework

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Maximilian Rischer; [2023]
    Nyckelord :Socioecological fix; global South; green hydrogen; political ecology; just energy transition; decolonial; uneven development; Hyphen; Socioekologisk fix; globala södern; grön vätgas; politisk ekologi; rättvis energiomställning; avkolonisering; ojämna utvecklingen; Hyphen;

    Sammanfattning : Infrastructural projects to realize the energy transition are framed by governmentsfrom all around the world very positively. This is also the case for green hydrogen,which is considered as a silver bullet to solve multiple crises simultaneously. LÄS MER

  3. 2. Kalknings påverkan och brunifiering av ytvatten i Västra Götalands län, Sverige : Drivande faktorer och trender

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Hanna Andersson; [2023]
    Nyckelord :Brownification; Surface waters; Acid deposition; Liming;

    Sammanfattning : For more than 45 years an extensive liming measure has taken place in the southwest of Sweden in Västra Götaland county. The goal with the liming is to improve the aquatic ecosystems and counteract the acidification that has occurred in a large part of catchments in this area. LÄS MER

  4. 3. Bedömning av gasproduktion i returfiber : En studie för att utvärdera alternativ för att inhibera gasproduktionen inom pappersmassaindustrin

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Viktor Forsmark; [2023]
    Nyckelord :Tannins; Lactobacillus; Pulp production; biocide; gas inhibition;

    Sammanfattning : In the pulp production industry one potential problem is the production of gas from microbial activity in the storage tank. If left unchecked such gas production can in extreme cases lead to an explosion. To prevent any such event the current method of maintaining microbial activity in pulp plants is to use hazardous biocides. LÄS MER

  5. 4. Investigating the temperature mediated effects of antidepressant pharmaceutical on foraging behavior and activity in aquatic invertebrates

    Master-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Johanna Björkman; [2023]
    Nyckelord :;

    Sammanfattning : Contamination by pharmaceuticals in aquatic environments is an increasing problem globally. Wide range of pharmaceuticals of different treatments classes are commonly detected in water and the tissues of organisms and there is a growing concern about how these substances might affect the aquatic ecosystems. LÄS MER

  7. 5. Buller på skolgårdar

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Felix Renberg; [2023]
    Nyckelord :Noise educator schoolyard outdoor traffic Health;

    Sammanfattning : As our population grows, so does the noise pollution in our society. The problem with noise pollution is generally bigger in cities with higher populations. This can have negative effects on our health. One of our more sensitive environments when noise is involved can we find in our schools. LÄS MER