Browsing FoU og forskningsartikler by Author "Vøllestad, Leif"

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Geographic variation and temporal trends in ice phenology in Norwegian lakes during the period 1890–2020

L’Abée-Lund, Jan; Vøllestad, Leif; Brittain, John Edward; Kvambekk, Ånund Sigurd; Solvang, Tord (Journal article, 2021)

Observations from 1890 to 2020 of ice phenology for 101 Norwegian lakes were used to detect variation in ice phenology. The average date of ice break-up occurred later in spring with increasing elevation, latitude and ...
Rapid recovery of normal gill morphology and blood physiology in brown trout (Salmo trutta) after short-term exposure to toxic concentrations of aqueous aluminium under non-steady state chemical conditions

Poléo, Antonio Bjørn Stefano; Kjelsberg, Birgitte Marie; Rukke, Nina Alstad; Vøllestad, Leif (Journal article, 2021)

Freshwater acidification is characterised by elevated concentrations of aqueous aluminium. Global emissions of acidifying agents are reduced due to international agreements, and freshwater acidification has shifted from ...