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  • 1
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    Unknown
    G. H. Parker to Viktor Hamburger, October 10, 1941 (2015)
    Marine Biological Laboratory (Woods Hole, Mass.) | Arizona Board of Regents
    In:  Viktor Hamburger collection, Box 2, Folder 29, P, 1939-1991, Marine Biological Laboratory Archives
    Details
    Publication Date: 2023-01-12
    Description: Letter
    Description: Thank you for sharing news of Spemann's death
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
    Format: image/tif
    Format: application/pdf
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  • 2
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    Intermediate Time-Scale Response of Atmospheric CO2 following Prescribed Fire in a Longleaf Pine Forest (2016)
    Wiley
    Details
    Publication Date: 2016-10-13
    Description: Fire plays an essential role in maintaining the structure and function of longleaf pine ecosystems. While the effects of fire on carbon cycle have been measured in previous studies for short periods during a burn and for multi-year periods following the burn, information on how carbon cycle is influenced by such changes over the span of a few weeks to months has yet to be quantified. We have analyzed high-frequency measurements of CO 2 concentration and flux, as well as associated micrometeorological variables, at three levels of the tall Aiken AmeriFlux tower during and after a prescribed burn. Measurements of the CO 2 concentration and vertical fluxes were examined as well as calculated net ecosystem exchange (NEE) for periods prior to and after the burn. Large spikes in both CO 2 concentration and CO 2 flux during the fire and increases in atmospheric CO 2 concentration and reduced CO 2 flux were observed for several weeks following the burn, particularly below the forest canopy. Both CO 2 measurements and NEE were found to return to their pre-burn states within 60-90 days following the burn when no statistical significance was found between pre-burn and post-burn NEE. This study examines the micrometeorological conditions during a low-intensity prescribed burn and its short-term effects on local CO 2 dynamics in a forested environment by identifying observable impacts on local measurements of atmospheric CO 2 concentration and fluxes.
    Print ISSN: 0148-0227
    Topics: Biology , Geosciences
    Published by Wiley on behalf of American Geophysical Union (AGU).
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