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  1. No Access

    Article

    Divergent roles of iron and aluminum in sediment organic matter association at the terrestrial–aquatic interface

    Organic matter (OM) can be protected from abiotic and biotic breakdown via its association with iron (Fe) and aluminum (Al) in both terrestrial and aquatic ecosystems. We hypothesized that the natural variatio...

    Kai Nils Nitzsche, Zachary E. Kayler, Katrin Premke, Arthur Gessler… in Biogeochemistry (2022)

  2. No Access

    Article

    Improving understanding of soil organic matter dynamics by triangulating theories, measurements, and models

    Soil organic matter (SOM) turnover increasingly is conceptualized as a tension between accessibility to microorganisms and protection from decomposition via physical and chemical association with minerals in e...

    Joseph C. Blankinship, Asmeret Asefaw Berhe, Susan E. Crow… in Biogeochemistry (2018)

  3. No Access

    Article

    Beyond clay: towards an improved set of variables for predicting soil organic matter content

    Improved quantification of the factors controlling soil organic matter (SOM) stabilization at continental to global scales is needed to inform projections of the largest actively cycling terrestrial carbon poo...

    Craig Rasmussen, Katherine Heckman, William R. Wieder, Marco Keiluweit… in Biogeochemistry (2018)

  4. No Access

    Article

    Association of organic matter with iron and aluminum across a range of soils determined via selective dissolution techniques coupled with dissolved nitrogen analysis

    Strong correlations of soil total organic carbon (OC) with iron and aluminum phases reported frequently make it important to quantify these organic matter (OM) associations, but selective extractants sometimes...

    Rota Wagai, Lawrence M. Mayer, Kanehiro Kitayama, Yasuhito Shirato in Biogeochemistry (2013)

  5. No Access

    Article

    Sequential density fractionation across soils of contrasting mineralogy: evidence for both microbial- and mineral-controlled soil organic matter stabilization

    Sequential density fractionation separated soil particles into “light” predominantly mineral-free organic matter vs. increasingly “heavy” organo-mineral particles in four soils of widely differing mineralogy. ...

    Phillip Sollins, Marc G. Kramer, Christopher Swanston, Kate Lajtha… in Biogeochemistry (2009)

  6. No Access

    Article

    Vertical distribution and pools of microbial residues in tropical forest soils formed from distinct parent materials

    The contribution of soil microbial residues to stable carbon pools may be of particular importance in the tropics where carbon residence times are short and any available carbon is rapidly utilized. In this st...

    Lindsey K. Moritz, Chao Liang, Rota Wagai, Kanehiro Kitayama… in Biogeochemistry (2009)