Product Description
This digital document is a journal article from Soil Biology and Biochemistry, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Arbuscular mycorrhizal fungi (AMF) have multiple influences on ecosystem C cycling, but most research has focused on ecosystem C gains. We explore here the possibility of direct contributions of AMF to ecosystem C losses, namely via leaching of glomalin-related soil protein (GRSP). We tested the hypothesis that GRSP, an operationally defined SOM pool to which AMF contribute (especially as evidenced with monoclonal antibody MAb32B11-based detection), is mobile in soils and can be lost in leachate. For two New Zealand soils, we showed that only insignificant amounts of GRSP were lost: a maximum of 0.03% of MAb32B11-immunoreactive GRSP present in soils was lost during the week-long experiment, representing a minute fraction of total leachate dissolved organic carbon (0.06%). Our data showed that this pathway of C loss may be relatively unimportant in many soils. However, other indirect contributions of AMF to soil C losses remain yet to be explored.

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