News | Published:

Points from Foregoing Letters

    Naturevolume 135page962 (1935) | Download Citation

    Subjects

    Abstract

    THE addition of echo sounding gear to the Johan Hjort enabled that vessel to reveal unsuspected features of the flooring of deep fjords, and to locate swarms of spawning cod in the neighbourhood of Lofoten. These, writes Oscar Sund, were mainly in a layer of 10–12 metres thick at a constant depth where a somewhat lower oxygen concentration and greater acidity could also be detected.

    About this article

    Publication history

    Issue Date

    DOI

    https://doi.org/10.1038/135962a0

    Comments

    By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.

    Newsletter Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing