Sökning: "PCB DDT"

Visar resultat 1 - 5 av 14 uppsatser innehållade orden PCB DDT.

  1. 1. Drying Lakes: A Review on The Health Conditions and Restoration Strategies

    Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Författare :Anchita Anchita; [2019]
    Nyckelord :Drying Lakes; Health; Restoration of Lake; Water level; Large Aral Sea; Small Aral Sea; Lake Urmia; Technology and Engineering;

    Sammanfattning : Great salt lakes around the world are drying at a rapid rate. The drying salt lakes gives rise to several health and socio-economic concerns for the population in the surrounding region. The respective governments undertook various measures to address the concerns relating to the drying of salt lakes. LÄS MER

  3. 2. Reproductive status of the female Baltic ringed seal

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Clinical Sciences

    Författare :Alexandra Odevall; [2019]
    Nyckelord :Baltic ringed seal; occlusion; PCB; DDT; reproduction;

    Sammanfattning : The population of ringed seals in the Baltic Sea was estimated to around 190 000–220 000 individuals in the 1900’s and decreased to approximate 5 000 in the late 1970s. The number of pregnant females also decreased during this time. LÄS MER

  4. 3. Spatial distribution of persistent organic pollutants (POPs) in sediments contaminated by fiber material from pulp and paper industries

    Master-uppsats, SLU/Dept. of Aquatic Sciences and Assessment

    Författare :Gabriel Dupaul; [2018]
    Nyckelord :PCB; DDT; HCB; fiberbank; fiber-rich sediment; sediment; Sweden; Västernorrland; Ångermanälven; Gulf of Bothnia; Baltic sea;

    Sammanfattning : Sweden has had a long history of forestry activities together with pulp and paper operations. Historical discharges of organic-rich wastewater from pulp and paper factories have resulted in formation of large fiberbanks on the seafloor, which lately have been found to be contaminated with persistent organic pollutants (POPs). LÄS MER

  5. 4. Flippfloppsandalen – inte en droppe i havet

    Kandidat-uppsats, Stockholms universitet/Institutionen för mediestudier

    Författare :Ellen Hammarskiöld; [2016]
    Nyckelord :plast; Kenya; flippfloppsandaler; radioreportage; Ocean Sole; havet; skräp;

    Sammanfattning : Flippfloppsandaler förknippas med sol och ledighet i Sverige. Men i många andra länder är det en sko som används dagligen, året om. Det sägs vara världens mest sålda sko. Den är billig och åker lätt på foten men den åker lika snabbt av. LÄS MER

  7. 5. Method Development for Quantification of Different Persistent Organic Pollutants in Ringed Seal (Phoca hispida) from the Baltic Sea

    Kandidat-uppsats, Örebro universitet/Institutionen för naturvetenskap och teknik

    Författare :Amelie Nordström; [2016]
    Nyckelord :Ringed seal; Baltic Sea; Persistent Organic Pollutants; Sample pre-treatment;

    Sammanfattning : Persistent organic pollutants such as polychlorinated biphenyls (PCBs), DDT and polybrominated diphenyl ethers (PBDEs) tend to accumulate in biota and are transferred through the aquatic food web, which result in a high accumulation in marine mammals. In recent years various novel flame retardants (nBFRs), which have replaced the banned PBDEs, have also started to occur in the environment. LÄS MER