Decreased mass specific respiration under experimental warming is robust to the microbial biomass method employed
Bradford, Mark A.
Wallenstein, Matthew D.
Allison, Steven D.
Treseder, Kathleen K.
Frey, Serita D.
Watts, Brian W.
Davies, Christian A.
Maddox, Thomas R.
Melillo, Jerry M.
Mohan, Jacqueline E.
Reynolds, James F.
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KeywordAcclimation; Adaptation; Soil respiration; Thermal biology; Temperature; Carbon cycling; Climate change; Climate warming; Microbial community; CO2
Hartley et al. question whether reduction in Rmass, under experimental warming, arises because of the biomass method. We show the method they treat as independent yields the same result. We describe why the substrate-depletion hypothesis cannot alone explain observed responses, and urge caution in the interpretation of the seasonal data.
Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of Blackwell for personal use, not for redistribution. The definitive version was published in Ecology Letters 12 (2009): E15-E18, doi:10.1111/j.1461-0248.2009.01332.x.
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