Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation
Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stag...
Ausführliche Beschreibung
Autor*in: |
Lai, Chimin [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
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2022 |
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Anmerkung: |
© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Übergeordnetes Werk: |
Enthalten in: Biology and fertility of soils - Springer Berlin Heidelberg, 1985, 59(2022), 1 vom: 10. Nov., Seite 35-49 |
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Übergeordnetes Werk: |
volume:59 ; year:2022 ; number:1 ; day:10 ; month:11 ; pages:35-49 |
Links: |
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DOI / URN: |
10.1007/s00374-022-01679-0 |
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Katalog-ID: |
OLC2080239139 |
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245 | 1 | 0 | |a Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation |
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520 | |a Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). | ||
650 | 4 | |a N tracer | |
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650 | 4 | |a Inorganic N | |
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650 | 4 | |a N-cycling genes | |
650 | 4 | |a Niche differentiation | |
700 | 1 | |a Peng, Fei |0 (orcid)0000-0003-0912-3069 |4 aut | |
700 | 1 | |a Sun, Jianbo |4 aut | |
700 | 1 | |a Zhou, Jun |4 aut | |
700 | 1 | |a Li, Chengyang |4 aut | |
700 | 1 | |a Xu, Xingliang |4 aut | |
700 | 1 | |a Chen, Xiaojie |4 aut | |
700 | 1 | |a You, Quangang |4 aut | |
700 | 1 | |a Sun, Hongyang |4 aut | |
700 | 1 | |a Sun, Jian |4 aut | |
700 | 1 | |a Xue, Xian |4 aut | |
700 | 1 | |a Lambers, Hans |4 aut | |
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10.1007/s00374-022-01679-0 doi (DE-627)OLC2080239139 (DE-He213)s00374-022-01679-0-p DE-627 ger DE-627 rakwb eng 570 630 640 VZ 12 ssgn BIODIV DE-30 fid Lai, Chimin verfasserin aut Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). N tracer N uptake Inorganic N Organic N N-cycling genes Niche differentiation Peng, Fei (orcid)0000-0003-0912-3069 aut Sun, Jianbo aut Zhou, Jun aut Li, Chengyang aut Xu, Xingliang aut Chen, Xiaojie aut You, Quangang aut Sun, Hongyang aut Sun, Jian aut Xue, Xian aut Lambers, Hans aut Enthalten in Biology and fertility of soils Springer Berlin Heidelberg, 1985 59(2022), 1 vom: 10. Nov., Seite 35-49 (DE-627)130468681 (DE-600)742137-0 (DE-576)016061675 0178-2762 nnns volume:59 year:2022 number:1 day:10 month:11 pages:35-49 https://doi.org/10.1007/s00374-022-01679-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OLC-FOR SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_2018 GBV_ILN_4277 AR 59 2022 1 10 11 35-49 |
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10.1007/s00374-022-01679-0 doi (DE-627)OLC2080239139 (DE-He213)s00374-022-01679-0-p DE-627 ger DE-627 rakwb eng 570 630 640 VZ 12 ssgn BIODIV DE-30 fid Lai, Chimin verfasserin aut Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). N tracer N uptake Inorganic N Organic N N-cycling genes Niche differentiation Peng, Fei (orcid)0000-0003-0912-3069 aut Sun, Jianbo aut Zhou, Jun aut Li, Chengyang aut Xu, Xingliang aut Chen, Xiaojie aut You, Quangang aut Sun, Hongyang aut Sun, Jian aut Xue, Xian aut Lambers, Hans aut Enthalten in Biology and fertility of soils Springer Berlin Heidelberg, 1985 59(2022), 1 vom: 10. Nov., Seite 35-49 (DE-627)130468681 (DE-600)742137-0 (DE-576)016061675 0178-2762 nnns volume:59 year:2022 number:1 day:10 month:11 pages:35-49 https://doi.org/10.1007/s00374-022-01679-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OLC-FOR SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_2018 GBV_ILN_4277 AR 59 2022 1 10 11 35-49 |
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10.1007/s00374-022-01679-0 doi (DE-627)OLC2080239139 (DE-He213)s00374-022-01679-0-p DE-627 ger DE-627 rakwb eng 570 630 640 VZ 12 ssgn BIODIV DE-30 fid Lai, Chimin verfasserin aut Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). N tracer N uptake Inorganic N Organic N N-cycling genes Niche differentiation Peng, Fei (orcid)0000-0003-0912-3069 aut Sun, Jianbo aut Zhou, Jun aut Li, Chengyang aut Xu, Xingliang aut Chen, Xiaojie aut You, Quangang aut Sun, Hongyang aut Sun, Jian aut Xue, Xian aut Lambers, Hans aut Enthalten in Biology and fertility of soils Springer Berlin Heidelberg, 1985 59(2022), 1 vom: 10. Nov., Seite 35-49 (DE-627)130468681 (DE-600)742137-0 (DE-576)016061675 0178-2762 nnns volume:59 year:2022 number:1 day:10 month:11 pages:35-49 https://doi.org/10.1007/s00374-022-01679-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OLC-FOR SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_2018 GBV_ILN_4277 AR 59 2022 1 10 11 35-49 |
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10.1007/s00374-022-01679-0 doi (DE-627)OLC2080239139 (DE-He213)s00374-022-01679-0-p DE-627 ger DE-627 rakwb eng 570 630 640 VZ 12 ssgn BIODIV DE-30 fid Lai, Chimin verfasserin aut Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). N tracer N uptake Inorganic N Organic N N-cycling genes Niche differentiation Peng, Fei (orcid)0000-0003-0912-3069 aut Sun, Jianbo aut Zhou, Jun aut Li, Chengyang aut Xu, Xingliang aut Chen, Xiaojie aut You, Quangang aut Sun, Hongyang aut Sun, Jian aut Xue, Xian aut Lambers, Hans aut Enthalten in Biology and fertility of soils Springer Berlin Heidelberg, 1985 59(2022), 1 vom: 10. Nov., Seite 35-49 (DE-627)130468681 (DE-600)742137-0 (DE-576)016061675 0178-2762 nnns volume:59 year:2022 number:1 day:10 month:11 pages:35-49 https://doi.org/10.1007/s00374-022-01679-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OLC-FOR SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_2018 GBV_ILN_4277 AR 59 2022 1 10 11 35-49 |
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10.1007/s00374-022-01679-0 doi (DE-627)OLC2080239139 (DE-He213)s00374-022-01679-0-p DE-627 ger DE-627 rakwb eng 570 630 640 VZ 12 ssgn BIODIV DE-30 fid Lai, Chimin verfasserin aut Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). N tracer N uptake Inorganic N Organic N N-cycling genes Niche differentiation Peng, Fei (orcid)0000-0003-0912-3069 aut Sun, Jianbo aut Zhou, Jun aut Li, Chengyang aut Xu, Xingliang aut Chen, Xiaojie aut You, Quangang aut Sun, Hongyang aut Sun, Jian aut Xue, Xian aut Lambers, Hans aut Enthalten in Biology and fertility of soils Springer Berlin Heidelberg, 1985 59(2022), 1 vom: 10. Nov., Seite 35-49 (DE-627)130468681 (DE-600)742137-0 (DE-576)016061675 0178-2762 nnns volume:59 year:2022 number:1 day:10 month:11 pages:35-49 https://doi.org/10.1007/s00374-022-01679-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OLC-FOR SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-FOR GBV_ILN_2018 GBV_ILN_4277 AR 59 2022 1 10 11 35-49 |
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niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation |
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Niche differentiation and higher uptake of available nitrogen maintained the productivity of alpine meadow at early degradation |
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Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstractGer |
Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstract_unstemmed |
Abstract A short-term in situ 15 N labeling experiment was conducted to investigate whether the N uptake and preference for different forms of available soil N for dominant plant species and soil microorganisms relate to the plant community productivity change at the no degradation stage, early stage of degradation, and late stage of degradation in an alpine meadow on the Qinghai-Tibetan Plateau. At the early stage of degradation in the alpine meadow, aboveground net primary productivity decreased, while belowground net primary productivity increased. As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows). © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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As a result, the total net primary productivity was unchanged at the early stage of degradation. Both aboveground and belowground net primary productivity significantly decreased at the late stage of degradation compared with the non-degraded meadows. Plants and microorganisms mainly absorbed inorganic N and preferred $ NH_{4} $+ at the non-degraded meadows where available soil N (the total concentration of exchangeable $ NH_{4} $+, $ NO_{3} $−, and dissolved organic N) was maintained at a high level of 60.9 μg N $ g^{−1} $ dry soil, indicating an N-use chemical niche overlap. Plants and microorganisms showed a niche differentiation at the early stage of degradation where available soil N decreased to a medium level of 44.6 μg N $ g^{−1} $ dry soil; plants preferred $ NO_{3} $−, while microorganisms took up more $ NH_{4} $+. In contrast, microorganisms increased their uptake of organic N, while plants assimilated more inorganic N, indicating that plants and microorganisms showed a niche differentiation where available soil N decreased to a low level of 26.6 μg N $ g^{−1} $ dry soil at the late stage of degradation. The higher N uptake (30% increase of N uptake compared with non-degraded meadows) of dominant plant species and niche differentiation in using available soil N between plants and microorganisms are two mechanisms maintaining the total community net primary productivity, even when available soil N decreased at the early stage of degradation. Plants and microorganisms also showed a niche differentiation when available N declined further at the late stage of degradation. However, the N uptake by dominant plant species greatly declined at the late stage of degradation (76% reduction of N uptake compared with non-degraded meadows), which might explain the community net primary productivity reduction (78% lower compared with non-degraded meadows).</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">N tracer</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">N uptake</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Inorganic N</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Organic N</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">N-cycling genes</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Niche differentiation</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Peng, Fei</subfield><subfield code="0">(orcid)0000-0003-0912-3069</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Jianbo</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhou, Jun</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Li, Chengyang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Xu, Xingliang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chen, Xiaojie</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">You, Quangang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Hongyang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sun, Jian</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Xue, Xian</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lambers, Hans</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Biology and fertility of soils</subfield><subfield code="d">Springer Berlin Heidelberg, 1985</subfield><subfield code="g">59(2022), 1 vom: 10. Nov., Seite 35-49</subfield><subfield code="w">(DE-627)130468681</subfield><subfield code="w">(DE-600)742137-0</subfield><subfield code="w">(DE-576)016061675</subfield><subfield code="x">0178-2762</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:59</subfield><subfield code="g">year:2022</subfield><subfield code="g">number:1</subfield><subfield code="g">day:10</subfield><subfield code="g">month:11</subfield><subfield code="g">pages:35-49</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1007/s00374-022-01679-0</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-BIODIV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-GEO</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-FOR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-DE-84</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OPC-GGO</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OPC-FOR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2018</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_4277</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">59</subfield><subfield code="j">2022</subfield><subfield code="e">1</subfield><subfield code="b">10</subfield><subfield code="c">11</subfield><subfield code="h">35-49</subfield></datafield></record></collection>
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