Sökning: "Brita Sundelin"

Hittade 5 avhandlingar innehållade orden Brita Sundelin.

1. 1. Ecological effect assessment of pollutants using Baltic benthic organisms

   Författare :Brita Sundelin; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER

3. 2. On benthic fluxes of phosphorus in the Baltic Sea proper – drivers and estimates

   Författare :Nils Ekeroth; Sven Blomqvist; Per Hall; Volker Brüchert; Brita Sundelin; Jonas Gunnarsson; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Marine Ecology; marin ekologi;

   Sammanfattning : This Thesis focuses on the exchange of phosphorus (P) across the sediment–water interface in the Baltic Sea proper, with particular attention to the influence of bioturbating macrofauna and benthic redox conditions. Benthic P fluxes have major influence on P availability in the water column, which in turn regulates growth conditions for dinitrogen fixating cyanobacteria in the Baltic proper. LÄS MER

4. 3. Assessing environmental and contaminant stressors in a benthic amphipod

   Författare :Therese Jacobson; Brita Sundelin; Tamara Galloway; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Multiple stressors; Reproduction; Temperature; Food; Parasites; Fenarimol; PFOS; TBT; Endocrine disruption; Ecdysteroids; Microsporidia; Microcosm; Crustacea; Amhipoda; Monoporeia affinis; Biology; Biologi; Applied Environmental Science; tillämpad miljövetenskap;

   Sammanfattning : Organisms in the aquatic environment encounter numerous stressors throughout their lifespan. Some of them are biotic such as food availability, predators and parasites. Others are abiotic and include shifting salinity and temperature change among others. LÄS MER

5. 4. Biomarkers and bioindicators of hypoxia and sediment toxicity in Monoporeia affinis

   Författare :Marie Löf; Brita Sundelin; Tina Elfwing; Elena Gorokhova; Ingela Dahllöf; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biomarkers; Bioindicators; Embryo aberrations; Hypoxia; Contaminated sediment; PAHs; PCBs; Metals; Baltic Sea; Amphipods; Monoporeia affinis; Applied Environmental Science; tillämpad miljövetenskap;

   Sammanfattning : Two of the most pressing environmental problems in the Baltic Sea are pollution and oxygen deficiency. The aim of this doctoral thesis was to evaluate a set of biomarkers and reproductive variables in the amphipod Monoporeia affinis to test their suitability as indicators of exposure to contaminants and hypoxia. LÄS MER

7. 5. DNA adductomics: Method development and integration in biological effect monitoring

   Författare :Giulia Martella; Elena Gorokhova; Hitesh V. Motwani; Brita Sundelin; Gunnar Boysen; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; DNA adducts; Nucleic acids; High-resolution mass spectrometry; Data-independent acquisition; Biological effect monitoring; Environmental contaminants; Biomarkers; Amphipods as sentinel species; Environmental Sciences; miljövetenskap;

   Sammanfattning : Environmental omics can provide informative biomarkers for identifying pathologies or physiological responses to environmental change. Nucleic acid adductomics, one of the newest omics techniques, is particularly well suited for assessing exposure and effects of environmental contaminants because the technique can capture modifications at the (epi)genome level. LÄS MER