Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity
Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recov...
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| Autor*in: |
Meinen, Catharina [verfasserIn] Hertel, Dietrich [verfasserIn] Leuschner, Christoph [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Ecosystems - Springer-Verlag, 2000, 12(2009), 7 vom: 14. Okt., Seite 1103-1116 |
|---|---|
| Übergeordnetes Werk: |
volume:12 ; year:2009 ; number:7 ; day:14 ; month:10 ; pages:1103-1116 |
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| DOI / URN: |
10.1007/s10021-009-9271-3 |
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| 520 | |a Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. | ||
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10.1007/s10021-009-9271-3 doi (DE-627)SPR008078076 (SPR)s10021-009-9271-3-e DE-627 ger DE-627 rakwb eng Meinen, Catharina verfasserin aut Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. fine-root biomass (dpeaa)DE-He213 fine-root phenology (dpeaa)DE-He213 fine-root production (dpeaa)DE-He213 ingrowth cores (dpeaa)DE-He213 sequential coring (dpeaa)DE-He213 Hertel, Dietrich verfasserin aut Leuschner, Christoph verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 14. Okt., Seite 1103-1116 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:14 month:10 pages:1103-1116 https://dx.doi.org/10.1007/s10021-009-9271-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 14 10 1103-1116 |
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10.1007/s10021-009-9271-3 doi (DE-627)SPR008078076 (SPR)s10021-009-9271-3-e DE-627 ger DE-627 rakwb eng Meinen, Catharina verfasserin aut Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. fine-root biomass (dpeaa)DE-He213 fine-root phenology (dpeaa)DE-He213 fine-root production (dpeaa)DE-He213 ingrowth cores (dpeaa)DE-He213 sequential coring (dpeaa)DE-He213 Hertel, Dietrich verfasserin aut Leuschner, Christoph verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 14. Okt., Seite 1103-1116 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:14 month:10 pages:1103-1116 https://dx.doi.org/10.1007/s10021-009-9271-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 14 10 1103-1116 |
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10.1007/s10021-009-9271-3 doi (DE-627)SPR008078076 (SPR)s10021-009-9271-3-e DE-627 ger DE-627 rakwb eng Meinen, Catharina verfasserin aut Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. fine-root biomass (dpeaa)DE-He213 fine-root phenology (dpeaa)DE-He213 fine-root production (dpeaa)DE-He213 ingrowth cores (dpeaa)DE-He213 sequential coring (dpeaa)DE-He213 Hertel, Dietrich verfasserin aut Leuschner, Christoph verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 14. Okt., Seite 1103-1116 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:14 month:10 pages:1103-1116 https://dx.doi.org/10.1007/s10021-009-9271-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 14 10 1103-1116 |
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10.1007/s10021-009-9271-3 doi (DE-627)SPR008078076 (SPR)s10021-009-9271-3-e DE-627 ger DE-627 rakwb eng Meinen, Catharina verfasserin aut Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. fine-root biomass (dpeaa)DE-He213 fine-root phenology (dpeaa)DE-He213 fine-root production (dpeaa)DE-He213 ingrowth cores (dpeaa)DE-He213 sequential coring (dpeaa)DE-He213 Hertel, Dietrich verfasserin aut Leuschner, Christoph verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 14. Okt., Seite 1103-1116 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:14 month:10 pages:1103-1116 https://dx.doi.org/10.1007/s10021-009-9271-3 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 14 10 1103-1116 |
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Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity fine-root biomass (dpeaa)DE-He213 fine-root phenology (dpeaa)DE-He213 fine-root production (dpeaa)DE-He213 ingrowth cores (dpeaa)DE-He213 sequential coring (dpeaa)DE-He213 |
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Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity |
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Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity |
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Meinen, Catharina |
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Meinen, Catharina Hertel, Dietrich Leuschner, Christoph |
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Meinen, Catharina |
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root growth and recovery in temperate broad-leaved forest stands differing in tree species diversity |
| title_auth |
Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity |
| abstract |
Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. |
| abstractGer |
Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. |
| abstract_unstemmed |
Abstract In contrast to studies on aboveground processes, the effect of species diversity on belowground productivity and fine-root regrowth after disturbance is still poorly studied in forests. In 12 old-growth broad-leaved forest stands, we tested the hypotheses that (i) the productivity and recovery rate (regrowth per standing biomass) of the fine-root system (root diameter < 2 mm) increase with increasing tree species diversity, and that (ii) the seasonality of fine-root biomass and necromass is more pronounced in pure than in tree species-rich stands as a consequence of non-synchronous root biomass peaks of the different species. We investigated stands with 1, 3, and 5 dominant tree species growing under similar soil and climate conditions for changes in fine-root biomass and necromass during a 12-month period and estimated fine-root productivity with two independent approaches (ingrowth cores, sequential coring). According to the analysis of 360 ingrowth cores, fine-root growth into the root-free soil increased with tree species diversity from 72 g $ m^{−2} $ $ y^{−1} $ in the monospecific plots to 166 g $ m^{−2} $ $ y^{−1} $ in the 5-species plots, indicating an enhanced recovery rate of the root system after soil disturbance with increasing species diversity (0.26, 0.34, and 0.51 $ y^{−1} $ in 1-, 3-, and 5-species plots, respectively). Fine-root productivity as approximated by the sequential coring data also indicated a roughly threefold increase from the monospecific to the 5-species stand. We found no indication of a more pronounced seasonality of fine-root mass in species-poor as compared to species-rich stands. We conclude that species identification on the fine root level, as conducted here, may open new perspectives on tree species effects on root system dynamics. Our study produced first evidence in support of the hypothesis that the fine-root systems of more diverse forest stands are more productive and recover more rapidly after soil disturbance than that of species-poor forests. |
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Root Growth and Recovery in Temperate Broad-Leaved Forest Stands Differing in Tree Species Diversity |
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