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  • Seid, Charlotte A.
    et al.
    Hiley, Avery S.
    McCowin, Marina F.
    Carvajal, José I.
    Cha, Harim
    Ahyong, Shane T.
    Ashford, Oliver S.
    Breedy, Odalisca
    Eernisse, Douglas J.
    Goffredi, Shana K.
    Hendrickx, Michel E.
    Kocot, Kevin M.
    Mah, Christopher L.
    Miller, Allison K.
    Mongiardino Koch, Nicolás
    Mooi, Rich
    O'Hara, Timothy D.
    Pleijel, Fredrik
    Stiller, Josefin
    Tilic, Ekin
    Valentich-Scott, Paul
    Warén, Anders
    Swedish Museum of Natural History, Department of Zoology.
    Wicksten, Mary K.
    Wilson, Nerida G.
    Cordes, Erik E.
    Levin, Lisa A.
    Cortés, Jorge
    Rouse, Greg W.
    A faunal inventory of methane seeps on the Pacific margin of Costa Rica2025In: ZooKeys, ISSN 1313-2989, E-ISSN 1313-2970, Vol. 1222, p. 1-250Article in journal (Refereed)
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  • Edwards, Kevin J.
    et al.
    Departments of Geography & Environment and Archaeology, School of Geosciences, University of Aberdeen, Aberdeen, UK;McDonald Institute for Archaeological Research and Scott Polar Research Institute, University of Cambridge, Cambridge, UK.
    Östensson, Pia
    Swedish Museum of Natural History, Department of Bird Ringing and Palynology. Palynologiska laboratoriet, Naturhistoriska riksmuseet, Stockholm, Sweden.
    ‘The man who vacuum cleaned the Atlantic’ − the aerosol collector and Gunnar Erdtman’s attempts to measure pollen rain2023In: Palynology, ISSN 0191-6122, E-ISSN 1558-9188, Vol. 48, no 1, article id 2260437Article in journal (Refereed)
    Abstract [en]

    In 1937, the Swedish palynologist Gunnar Erdtman (1897–1973) mounted two adapted vacuum cleaners atop an ocean-going liner and set out to obtain air samples as he crossed the Atlantic Ocean. The devices were able to capture samples of airborne pollen which were related to air volume and distance from land. The results of this investigation are still cited in the scientific literature, but a study of publications demonstrates that the ocean study had land-based antecedents. Furthermore, archival investigation reveals the background to such studies, including the technical plans for Erdtman’s ‘aerosol collector’, records of raw data from the voyage, draft portions of the key publication, photographs and the precise location of the land-based equipment. A storage loft in the Swedish Museum of Natural History in Stockholm has been found to house a surviving aerosol collector.

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    The man who vacuum cleaned the Atlantic’ − the aerosol collector and Gunnar Erdtman’s attempts to measure pollen rain