Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest
Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pa...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Nordin, Annika [verfasserIn] Strengbom, Joachim [verfasserIn] Forsum, Åsa [verfasserIn] Ericson, Lars [verfasserIn] |
|---|
| Format: |
E-Artikel |
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| 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: 15. Okt., Seite 1204-1211 |
|---|---|
| Übergeordnetes Werk: |
volume:12 ; year:2009 ; number:7 ; day:15 ; month:10 ; pages:1204-1211 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10021-009-9287-8 |
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SPR008078149 |
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| 520 | |a Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. | ||
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10.1007/s10021-009-9287-8 doi (DE-627)SPR008078149 (SPR)s10021-009-9287-8-e DE-627 ger DE-627 rakwb eng Nordin, Annika verfasserin aut Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. biotic control (dpeaa)DE-He213 nitrogen deposition (dpeaa)DE-He213 trophic interactions (dpeaa)DE-He213 vegetation change (dpeaa)DE-He213 Strengbom, Joachim verfasserin aut Forsum, Åsa verfasserin aut Ericson, Lars verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 15. Okt., Seite 1204-1211 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:15 month:10 pages:1204-1211 https://dx.doi.org/10.1007/s10021-009-9287-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 15 10 1204-1211 |
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10.1007/s10021-009-9287-8 doi (DE-627)SPR008078149 (SPR)s10021-009-9287-8-e DE-627 ger DE-627 rakwb eng Nordin, Annika verfasserin aut Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. biotic control (dpeaa)DE-He213 nitrogen deposition (dpeaa)DE-He213 trophic interactions (dpeaa)DE-He213 vegetation change (dpeaa)DE-He213 Strengbom, Joachim verfasserin aut Forsum, Åsa verfasserin aut Ericson, Lars verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 15. Okt., Seite 1204-1211 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:15 month:10 pages:1204-1211 https://dx.doi.org/10.1007/s10021-009-9287-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 15 10 1204-1211 |
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10.1007/s10021-009-9287-8 doi (DE-627)SPR008078149 (SPR)s10021-009-9287-8-e DE-627 ger DE-627 rakwb eng Nordin, Annika verfasserin aut Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. biotic control (dpeaa)DE-He213 nitrogen deposition (dpeaa)DE-He213 trophic interactions (dpeaa)DE-He213 vegetation change (dpeaa)DE-He213 Strengbom, Joachim verfasserin aut Forsum, Åsa verfasserin aut Ericson, Lars verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 15. Okt., Seite 1204-1211 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:15 month:10 pages:1204-1211 https://dx.doi.org/10.1007/s10021-009-9287-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 15 10 1204-1211 |
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10.1007/s10021-009-9287-8 doi (DE-627)SPR008078149 (SPR)s10021-009-9287-8-e DE-627 ger DE-627 rakwb eng Nordin, Annika verfasserin aut Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. biotic control (dpeaa)DE-He213 nitrogen deposition (dpeaa)DE-He213 trophic interactions (dpeaa)DE-He213 vegetation change (dpeaa)DE-He213 Strengbom, Joachim verfasserin aut Forsum, Åsa verfasserin aut Ericson, Lars verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 15. Okt., Seite 1204-1211 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:15 month:10 pages:1204-1211 https://dx.doi.org/10.1007/s10021-009-9287-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 15 10 1204-1211 |
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10.1007/s10021-009-9287-8 doi (DE-627)SPR008078149 (SPR)s10021-009-9287-8-e DE-627 ger DE-627 rakwb eng Nordin, Annika verfasserin aut Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. biotic control (dpeaa)DE-He213 nitrogen deposition (dpeaa)DE-He213 trophic interactions (dpeaa)DE-He213 vegetation change (dpeaa)DE-He213 Strengbom, Joachim verfasserin aut Forsum, Åsa verfasserin aut Ericson, Lars verfasserin aut Enthalten in Ecosystems Springer-Verlag, 2000 12(2009), 7 vom: 15. Okt., Seite 1204-1211 (DE-627)SPR008072272 nnns volume:12 year:2009 number:7 day:15 month:10 pages:1204-1211 https://dx.doi.org/10.1007/s10021-009-9287-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 12 2009 7 15 10 1204-1211 |
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Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest |
| abstract |
Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. |
| abstractGer |
Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. |
| abstract_unstemmed |
Abstract The effects of experimental nitrogen (N) additions (0, 12.5, and 50 kg N $ ha^{−1} $ $ y^{−1} $) on long-term (12 years) understorey vegetation dynamics were examined in a boreal forest. The results showed that two types of natural enemies of the dominant dwarf-shrub Vaccinium myrtillus (pathogenic fungus of the species Valdensia heterodoxa and herbivorous larvae of the genus Operophtera) influenced the vegetation dynamics. The pathogenic fungus, causing premature leaf-shed of V. myrtillus, showed a strong positive N response during the initial 5-year period. For the larvae, a relatively modest N response was overshadowed by an almost 40-fold population increase during an outbreak event that followed the initial 5-year period. This outbreak occurred irrespective of N addition, resulting in V. myrtillus decline and depriving the pathogenic fungus of its substrate. Hence our study demonstrates that vegetation dynamics in this relatively species poor and seemingly simple ecosystem are driven by complex biotic interactions. Further, we show that an important component of these interactions is the temporal alternation of the two natural enemies and, resultant regulation of the dominant plant’s abundance. Finally, we emphasize that long-term data are essential to capture the complexity of this type of biotic interactions. In our case, a short-term study may have resulted in markedly different conclusions regarding effects of N enrichment and the role of biotic interactions for forest vegetation dynamics. |
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| title_short |
Complex Biotic Interactions Drive Long-Term Vegetation Change in a Nitrogen Enriched Boreal Forest |
| url |
https://dx.doi.org/10.1007/s10021-009-9287-8 |
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true |
| author2 |
Strengbom, Joachim Forsum, Åsa Ericson, Lars |
| author2Str |
Strengbom, Joachim Forsum, Åsa Ericson, Lars |
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SPR008072272 |
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| doi_str |
10.1007/s10021-009-9287-8 |
| up_date |
2024-07-03T17:10:35.839Z |
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1803578649702563840 |
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7.4012136 |