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  1. No Access

    Article

    Ecotoxicological risk of antibiotics and their mixtures to aquatic biota with the DGT technique in sediments

    Antibiotics are emerging contaminants and widely used in human healthcare, livestock, and aquaculture. The toxicity posed by antibiotics and their mixtures in sediments depends on their bioavailability. Now, t...

    Yang-Guang Gu, Yan-Peng Gao, Shi-Jun Jiang, Richard W. Jordan… in Ecotoxicology (2023)

  2. Article

    Open Access

    Morphological adaptation of a planktonic diatom to growth in Antarctic sea ice

    Chaetoceros dichaeta Ehrenberg is one of the most important planktonic diatom species in the Southern Ocean, making a significant contribution to the total biomass in the region. Our observations...

    Ryszard Ligowski, Richard W. Jordan, Philipp Assmy in Marine Biology (2012)

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  3. No Access

    Article

    Evidence for middle Eocene Arctic sea ice from diatoms and ice-rafted debris

    Sea ice has not always existed in the Arctic and indeed little is known about the sea-ice history of this climatically sensitive region. The recent discovery of ice-rafted debris in middle Eocene ocean sedimen...

    Catherine E. Stickley, Kristen St John, Nalân Koç, Richard W. Jordan… in Nature (2009)

  4. No Access

    Article

    The Cenozoic palaeoenvironment of the Arctic Ocean

    The history of the Arctic Ocean during the Cenozoic era (0–65 million years ago) is largely unknown from direct evidence. Here we present a Cenozoic palaeoceanographic record constructed from >400 m of sedimen...

    Kathryn Moran, Jan Backman, Henk Brinkhuis, Steven C. Clemens, Thomas Cronin… in Nature (2006)