NEW PATHWAYS

NEW PATHWAYS

Research at Luquillo LTER led to the discovery of DNRA and Feammox, novel pathways for nitrogen loss from terrestrial ecosystems.

Dissimililatory nitrate reduction to ammonium in tropical forest soils
Nitrogen cycling in tropical plantation forests: potential controls on nitrogen retention
Plant and microbial controls on nitrogen retention and loss in a humid tropical forest

Extracting gas sample from soil in El Verde, Puerto Rico

Submitted by eda on Mon, 2011-12-19 12:31
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Figure 1 – A researcher extracting a gas sample from soil in tropical forest at El Verde, Puerto Rico, site of the Luquillo Long-Term Ecological Research Program
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The Feammox pathway

Submitted by eda on Mon, 2011-12-19 13:03
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Figure 2 – The Feammox pathway: the conversion of ammonium (NH4+, a key plant nutrient) to inert dinitrogen gas (N2, the main constituent of the atmosphere) or other nitrogen forms under anaerobic conditions. The Feammox pathway uses iron oxides (Fe), which are abundant in many soils.
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  • Methods Products›Methods›modeling