Delgado-Baquerizo, M. and Morillas, L. and Maestre, F.T. and Gallardo, A. (2013) Biocrusts control the nitrogen dynamics and microbial functional diversity of semi-arid soils in response to nutrient additions. Plant and Soil. pp. 1-12.
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Abstract
Human activities are causing imbalances in the nutrient cycles in natural ecosystems. However, we have limited knowledge of how these changes will affect the soil microbial functional diversity and the nitrogen (N) cycle in drylands, the biggest biome on Earth. Communities dominated by lichens, mosses and cyanobacteria (biocrusts) influence multiple processes from the N cycle such as N fixation and mineralization rates. We evaluated how biocrusts modulate the effects of different N, carbon (C) and phosphorus (P) additions on theN availability, the dominance of different available N forms and the microbial functional diversity in dryland soils.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Mineralization, Dissolved organic N, Shannon-Weaver diversity index, Carbon, Phosphorus |
| Author Affiliation: | Aims Human activities are causing imbalances in the nutrient cycles in natural ecosystems. However, we have limited knowledge of how these changes will affect the soil microbial functional diversity and the nitrogen (N) cycle in drylands, the biggest biome on Earth. Communities dominated by lichens, mosses and cyanobacteria (biocrusts) influence multiple processes from the N cycle such as N fixation and mineralization rates. We evaluated how biocrusts modulate the effects of different N, carbon (C) and phosphorus (P) additions on theN availability, the dominance of different available N forms and the microbial functional diversity in dryland soils. |
| Subjects: | Soil Science and Microbiology > Soil Sciences |
| Divisions: | General |
| Depositing User: | Mr Siva Shankar |
| Date Deposited: | 30 May 2013 03:59 |
| Last Modified: | 30 May 2013 03:59 |
| Official URL: | http://dx.doi.org/10.1007/s11104-013-1779-9 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/10661 |
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