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Deep Soil: Quantification, Modeling, and Significance of Subsurface Carbon and Nitrogen
Soil is the primary sink for C in forest ecosystems, but is often overlooked in ecosystem C budgets. Efforts to quantify C pools often sample soils to a depth of 0.2 m despite observations that deep soil C is neither scarce nor entirely stable. This study examined the systematic sampling depth for ecosystem C analyses in the ...
The Effects of Forest Harvesting and Land-Use Change on Soil Carbon and Nutrient Cycling
The properties and processes of deep soil horizons remain an important gap in knowledge due to the long history of shallow soil sampling. The majority of soil carbon and nitrogen can be found beneath the A horizon in most soils, particularly those deeper than one meter to bedrock. Such soils are common in many parts of the ...