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A global analysis of fine root production as affected by soil nitrogen and phosphorus
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| Zeitschriftentitel: | Proceedings of the Royal Society B: Biological Sciences |
|---|---|
| Personen und Körperschaften: | , |
| In: | Proceedings of the Royal Society B: Biological Sciences, 279, 2012, 1743, S. 3796-3802 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Royal Society
|
| Schlagwörter: |
| author_facet |
Yuan, Z. Y. Chen, Han Y. H. Yuan, Z. Y. Chen, Han Y. H. |
|---|---|
| author |
Yuan, Z. Y. Chen, Han Y. H. |
| spellingShingle |
Yuan, Z. Y. Chen, Han Y. H. Proceedings of the Royal Society B: Biological Sciences A global analysis of fine root production as affected by soil nitrogen and phosphorus General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine |
| author_sort |
yuan, z. y. |
| spelling |
Yuan, Z. Y. Chen, Han Y. H. 0962-8452 1471-2954 The Royal Society General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine http://dx.doi.org/10.1098/rspb.2012.0955 <jats:p> Fine root production is the largest component of belowground production and plays substantial roles in the biogeochemical cycles of terrestrial ecosystems. The increasing availability of nitrogen (N) and phosphorus (P) due to human activities is expected to increase aboveground net primary production (ANNP), but the response of fine root production to N and P remains unclear. If roots respond to nutrients as ANNP, fine root production is anticipated to increase with increasing soil N and P. Here, by synthesizing data along the nutrient gradient from 410 natural habitats and from 469 N and/or P addition experiments, we showed that fine root production increased in terrestrial ecosystems with an average increase along the natural N gradient of up to 0.5 per cent with increasing soil N. Fine root production also increased with soil P in natural conditions, particularly at P < 300 mg kg <jats:sup>−1</jats:sup> . With N, P and combined N + P addition, fine root production increased by a global average of 27, 21 and 40 per cent, respectively. However, its responses differed among ecosystems and soil types. The global average increases in fine root production are lower than those of ANNP, indicating that above- and belowground counterparts are coupled, but production allocation shifts more to aboveground with higher soil nutrients. Our results suggest that the increasing fertilizer use and combined N deposition at present and in the future will stimulate fine root production, together with ANPP, probably providing a significant influence on atmospheric CO <jats:sub>2</jats:sub> emissions. </jats:p> A global analysis of fine root production as affected by soil nitrogen and phosphorus Proceedings of the Royal Society B: Biological Sciences |
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| title |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_unstemmed |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_full |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_fullStr |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_full_unstemmed |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_short |
A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_sort |
a global analysis of fine root production as affected by soil nitrogen and phosphorus |
| topic |
General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine |
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http://dx.doi.org/10.1098/rspb.2012.0955 |
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2012 |
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<jats:p>
Fine root production is the largest component of belowground production and plays substantial roles in the biogeochemical cycles of terrestrial ecosystems. The increasing availability of nitrogen (N) and phosphorus (P) due to human activities is expected to increase aboveground net primary production (ANNP), but the response of fine root production to N and P remains unclear. If roots respond to nutrients as ANNP, fine root production is anticipated to increase with increasing soil N and P. Here, by synthesizing data along the nutrient gradient from 410 natural habitats and from 469 N and/or P addition experiments, we showed that fine root production increased in terrestrial ecosystems with an average increase along the natural N gradient of up to 0.5 per cent with increasing soil N. Fine root production also increased with soil P in natural conditions, particularly at P < 300 mg kg
<jats:sup>−1</jats:sup>
. With N, P and combined N + P addition, fine root production increased by a global average of 27, 21 and 40 per cent, respectively. However, its responses differed among ecosystems and soil types. The global average increases in fine root production are lower than those of ANNP, indicating that above- and belowground counterparts are coupled, but production allocation shifts more to aboveground with higher soil nutrients. Our results suggest that the increasing fertilizer use and combined N deposition at present and in the future will stimulate fine root production, together with ANPP, probably providing a significant influence on atmospheric CO
<jats:sub>2</jats:sub>
emissions.
</jats:p> |
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| description | <jats:p> Fine root production is the largest component of belowground production and plays substantial roles in the biogeochemical cycles of terrestrial ecosystems. The increasing availability of nitrogen (N) and phosphorus (P) due to human activities is expected to increase aboveground net primary production (ANNP), but the response of fine root production to N and P remains unclear. If roots respond to nutrients as ANNP, fine root production is anticipated to increase with increasing soil N and P. Here, by synthesizing data along the nutrient gradient from 410 natural habitats and from 469 N and/or P addition experiments, we showed that fine root production increased in terrestrial ecosystems with an average increase along the natural N gradient of up to 0.5 per cent with increasing soil N. Fine root production also increased with soil P in natural conditions, particularly at P < 300 mg kg <jats:sup>−1</jats:sup> . With N, P and combined N + P addition, fine root production increased by a global average of 27, 21 and 40 per cent, respectively. However, its responses differed among ecosystems and soil types. The global average increases in fine root production are lower than those of ANNP, indicating that above- and belowground counterparts are coupled, but production allocation shifts more to aboveground with higher soil nutrients. Our results suggest that the increasing fertilizer use and combined N deposition at present and in the future will stimulate fine root production, together with ANPP, probably providing a significant influence on atmospheric CO <jats:sub>2</jats:sub> emissions. </jats:p> |
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| spelling | Yuan, Z. Y. Chen, Han Y. H. 0962-8452 1471-2954 The Royal Society General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine http://dx.doi.org/10.1098/rspb.2012.0955 <jats:p> Fine root production is the largest component of belowground production and plays substantial roles in the biogeochemical cycles of terrestrial ecosystems. The increasing availability of nitrogen (N) and phosphorus (P) due to human activities is expected to increase aboveground net primary production (ANNP), but the response of fine root production to N and P remains unclear. If roots respond to nutrients as ANNP, fine root production is anticipated to increase with increasing soil N and P. Here, by synthesizing data along the nutrient gradient from 410 natural habitats and from 469 N and/or P addition experiments, we showed that fine root production increased in terrestrial ecosystems with an average increase along the natural N gradient of up to 0.5 per cent with increasing soil N. Fine root production also increased with soil P in natural conditions, particularly at P < 300 mg kg <jats:sup>−1</jats:sup> . With N, P and combined N + P addition, fine root production increased by a global average of 27, 21 and 40 per cent, respectively. However, its responses differed among ecosystems and soil types. The global average increases in fine root production are lower than those of ANNP, indicating that above- and belowground counterparts are coupled, but production allocation shifts more to aboveground with higher soil nutrients. Our results suggest that the increasing fertilizer use and combined N deposition at present and in the future will stimulate fine root production, together with ANPP, probably providing a significant influence on atmospheric CO <jats:sub>2</jats:sub> emissions. </jats:p> A global analysis of fine root production as affected by soil nitrogen and phosphorus Proceedings of the Royal Society B: Biological Sciences |
| spellingShingle | Yuan, Z. Y., Chen, Han Y. H., Proceedings of the Royal Society B: Biological Sciences, A global analysis of fine root production as affected by soil nitrogen and phosphorus, General Agricultural and Biological Sciences, General Environmental Science, General Immunology and Microbiology, General Biochemistry, Genetics and Molecular Biology, General Medicine |
| title | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_full | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_fullStr | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_full_unstemmed | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_short | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_sort | a global analysis of fine root production as affected by soil nitrogen and phosphorus |
| title_unstemmed | A global analysis of fine root production as affected by soil nitrogen and phosphorus |
| topic | General Agricultural and Biological Sciences, General Environmental Science, General Immunology and Microbiology, General Biochemistry, Genetics and Molecular Biology, General Medicine |
| url | http://dx.doi.org/10.1098/rspb.2012.0955 |