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• Variability and drivers of winter near-surface temperatures over boreal and tundra landscapes 

  Tyystjärvi, Vilna; Niittynen, Pekka; Kemppinen, Julia; Luoto, Miska; Rissanen, Tuuli; Aalto, Juha (Copernicus GmbH, 2024)

  Winter near-surface air temperatures have important implications for ecosystem functioning such as vegetation dynamics and carbon cycling. In cold environments, the persistence of seasonal snow cover can exert a strong ...

• The influence of lipid content and taxonomic affiliation on methane and carbon dioxide production from phytoplankton biomass in lake sediment 

  Hiltunen, Minna; Nykänen, Hannu; Syväranta, Jari (John Wiley & Sons, 2021)

  The greenhouse gases methane (CH4) and carbon dioxide (CO2) are end products of microbial anaerobic degradation of organic matter (OM) in lake sediments. Although previous research has shown that phytoplankton lipid content ...

• Ecotoxicity assessment of boreal lake sediments affected by metal mining: Sediment quality triad approach complemented with metal bioavailability and body residue studies 

  Väänänen, Kristiina; Abel, Sebastian; Oksanen, Tähti; Nybom, Inna; Leppänen, Matti T.; Asikainen, Harri; Rasilainen, Maj; Karjalainen, Anna; Akkanen, Jarkko (Elsevier BV, 2019)

  There are several methods for studying metal-contaminated freshwater sediments, but more information is needed on which methods to include in ecological risk assessment. In this study, we compliment the traditional Sediment ...

• Contamination of Surface Water and River Sediments by Antibiotic and Antiretroviral Drug Cocktails in Low and Middle-Income Countries : Occurrence, Risk and Mitigation Strategies 

  Kairigo, Pius; Ngumba, Elijah; Sundberg, Lotta-Riina; Gachanja, Anthony; Tuhkanen, Tuula (MDPI, 2020)

  Presence of antimicrobial cocktails in the hydrological cycles is of interest because of their potential to mediate antimicrobial resistance within the natural environment. In this study, we determined the concentrations ...

• Abundance and δ13C values of fatty acids in lacustrine surface sediments : Relationships with in-lake methane concentrations 

  Stötter, Tabea; Bastviken, David; Bodelier, Paul L.E.; van Hardenbroek, Maarten; Rinta, Päivi; Schilder, Johannes; Schubert, Carsten J.; Heiri, Oliver (Pergamon Press, 2018)

  Proxy-indicators in lake sediments provide the only approach by which the dynamics of in-lake methane cycling can be examined on multi-decadal to centennial time scales. This information is necessary to constrain how ...