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    Field Case Studies of Soil Organic Matter Sequestration in Lithuania and the UK.

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    Authors
    Booth, Colin A.
    Fullen, Michael A.
    Jankauskas, Benediktas
    Jankauskienė, Genovaitė
    Slepetiene, Alvyra
    Issue Date
    2008
    
    Metadata
    Show full item record
    Abstract
    Investigations have assessed the environmental benefits of soil organic matter (SOM) storage at two long-term European experimental research sites: (i) SOM data from a soil conservation (set-aside) site in the UK and (ii) SOM data from a carbon sequestration benchmarking site in Lithuania. The first case study (Hilton, UK) illustrates the environmental benefits of changes in SOM content before and after the adoption of set-aside, a recognized soil conservation technique. Ten run-off plots (7–15° gradients) were put to ley in 1991. Run-off and erosion rates decreased to tolerable levels once ~30% vegetation cover had established and remained low (mean of 69 plot years 0.21 t ha–1 year–1, SD 0.14). Meanwhile, SOM content increased consistently and significantly on the set-aside plots (mean of 2.22% by weight in 14 years) and soil erodibility significantly decreased. Results suggest using grass-leys for set-aside is a viable soil conservation technique, which may also contribute to carbon sequestration. The second case study (Kaltinenai, Lithuania) addresses the issue of comparing international SOM databases to assist carbon modelling and carbon sequestration estimates. Five analytical approaches have been used to calculate SOM. Linear correlation and paired regression equations were used to calculate the various techniques. Correlation coefficients varied between r = 0.83–0.98 (n = 92, P<0.001). Based on the strength and significance of these relationships, it is proposed that simple linear or more complex paired regression equations can be confidently employed to recalculate SOM data between various analytical methodologies. However, it also demonstrates the potential difficulty of international carbon benchmarking, as part of the global policy to ameliorate climate change.
    Citation
    International Journal of Design & Nature and Ecodynamics, 3(3): 1-14.
    Publisher
    WIT Press
    Journal
    International Journal of Design & Nature and Ecodynamics
    URI
    http://hdl.handle.net/2436/48515
    DOI
    10.2495/D&NE-V3-N3-1-14
    Additional Links
    https://www.witpress.com/elibrary/dne-volumes/3/3/364
    Type
    Journal article
    Language
    en
    Description
    Register free to access WIT Press website and online abstracts. Full-text copies of journal articles are available on pay-per-download basis.
    ISSN
    1755-7445
    1755-7437
    ae974a485f413a2113503eed53cd6c53
    10.2495/D&NE-V3-N3-1-14
    Scopus Count
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    Faculty of Science and Engineering

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