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Showing 1–6 of 6 results
Advanced filters: Author: Maren Voss Clear advanced filters

  • There is a transition between four distinct microalgae communities through a mosaic of habitats with different physicochemical conditions associated with the aging of the Amazon River plume, progressing from dominance by cryptophytes and diatoms in young to haptophytes and pico-cyanobacteria in aged plume water. Nitrogen stable isotopes of amino acids show an increase in mixotrophy among the microalgae in mature waters of the plume, highlighting the importance of heterotrophic strategies for maximizing microalgae growth in nitrogen limited environments.

    • Ana Fernández-Carrera
    • Noémie Choisnard
    • Natalie Loick-Wilde
    ResearchOpen Access
    Communications Biology
    Volume: 9, P: 1-15

  • Breakdown of dissolved organic nitrogen in the ocean had been thought to be the preserve of microbes at the surface. The discovery that these microbes are not up to the task calls for a reassessment of the biogeochemistry of this nitrogen pool.

    • Maren Voss
    • Susanna Hietanen
    News & Views
    Nature
    Volume: 493, P: 616-618

  • Reactive nitrogen is lost from the oceans as dinitrogen — N2 — produced by microbial metabolism. The latest twist in an ongoing story is that different pathways dominate in two of the oceanic regions concerned.

    • Maren Voss
    • Joseph P. Montoya
    News & Views
    Nature
    Volume: 461, P: 49-50