Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments
Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatm...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rychła, Anna [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Basel AG 2011 |
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| Übergeordnetes Werk: |
Enthalten in: Aquatic sciences - Basel : Springer, 1920, 74(2011), 1 vom: 20. Apr., Seite 133-142 |
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| Übergeordnetes Werk: |
volume:74 ; year:2011 ; number:1 ; day:20 ; month:04 ; pages:133-142 |
| Links: |
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| DOI / URN: |
10.1007/s00027-011-0204-9 |
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SPR000291862 |
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| 100 | 1 | |a Rychła, Anna |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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| 520 | |a Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. | ||
| 650 | 4 | |a Anaerobic decomposition |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Enclosure experiments |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Methane |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a POC |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Sedimentation |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Casper, Peter |4 aut | |
| 700 | 1 | |a Kasprzak, Peter |4 aut | |
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10.1007/s00027-011-0204-9 doi (DE-627)SPR000291862 (SPR)s00027-011-0204-9-e DE-627 ger DE-627 rakwb eng Rychła, Anna verfasserin aut Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Basel AG 2011 Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 Casper, Peter aut Kasprzak, Peter aut Enthalten in Aquatic sciences Basel : Springer, 1920 74(2011), 1 vom: 20. Apr., Seite 133-142 (DE-627)265506670 (DE-600)1464021-1 1420-9055 nnns volume:74 year:2011 number:1 day:20 month:04 pages:133-142 https://dx.doi.org/10.1007/s00027-011-0204-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 74 2011 1 20 04 133-142 |
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10.1007/s00027-011-0204-9 doi (DE-627)SPR000291862 (SPR)s00027-011-0204-9-e DE-627 ger DE-627 rakwb eng Rychła, Anna verfasserin aut Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Basel AG 2011 Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 Casper, Peter aut Kasprzak, Peter aut Enthalten in Aquatic sciences Basel : Springer, 1920 74(2011), 1 vom: 20. Apr., Seite 133-142 (DE-627)265506670 (DE-600)1464021-1 1420-9055 nnns volume:74 year:2011 number:1 day:20 month:04 pages:133-142 https://dx.doi.org/10.1007/s00027-011-0204-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 74 2011 1 20 04 133-142 |
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10.1007/s00027-011-0204-9 doi (DE-627)SPR000291862 (SPR)s00027-011-0204-9-e DE-627 ger DE-627 rakwb eng Rychła, Anna verfasserin aut Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Basel AG 2011 Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 Casper, Peter aut Kasprzak, Peter aut Enthalten in Aquatic sciences Basel : Springer, 1920 74(2011), 1 vom: 20. Apr., Seite 133-142 (DE-627)265506670 (DE-600)1464021-1 1420-9055 nnns volume:74 year:2011 number:1 day:20 month:04 pages:133-142 https://dx.doi.org/10.1007/s00027-011-0204-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 74 2011 1 20 04 133-142 |
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10.1007/s00027-011-0204-9 doi (DE-627)SPR000291862 (SPR)s00027-011-0204-9-e DE-627 ger DE-627 rakwb eng Rychła, Anna verfasserin aut Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Basel AG 2011 Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 Casper, Peter aut Kasprzak, Peter aut Enthalten in Aquatic sciences Basel : Springer, 1920 74(2011), 1 vom: 20. Apr., Seite 133-142 (DE-627)265506670 (DE-600)1464021-1 1420-9055 nnns volume:74 year:2011 number:1 day:20 month:04 pages:133-142 https://dx.doi.org/10.1007/s00027-011-0204-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 74 2011 1 20 04 133-142 |
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10.1007/s00027-011-0204-9 doi (DE-627)SPR000291862 (SPR)s00027-011-0204-9-e DE-627 ger DE-627 rakwb eng Rychła, Anna verfasserin aut Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Basel AG 2011 Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 Casper, Peter aut Kasprzak, Peter aut Enthalten in Aquatic sciences Basel : Springer, 1920 74(2011), 1 vom: 20. Apr., Seite 133-142 (DE-627)265506670 (DE-600)1464021-1 1420-9055 nnns volume:74 year:2011 number:1 day:20 month:04 pages:133-142 https://dx.doi.org/10.1007/s00027-011-0204-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 74 2011 1 20 04 133-142 |
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Enthalten in Aquatic sciences 74(2011), 1 vom: 20. Apr., Seite 133-142 volume:74 year:2011 number:1 day:20 month:04 pages:133-142 |
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Rychła, Anna @@aut@@ Casper, Peter @@aut@@ Kasprzak, Peter @@aut@@ |
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We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. 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Rychła, Anna |
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Rychła, Anna misc Anaerobic decomposition misc Enclosure experiments misc Methane misc POC misc Sedimentation Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments Anaerobic decomposition (dpeaa)DE-He213 Enclosure experiments (dpeaa)DE-He213 Methane (dpeaa)DE-He213 POC (dpeaa)DE-He213 Sedimentation (dpeaa)DE-He213 |
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Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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Rychła, Anna Casper, Peter Kasprzak, Peter |
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effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
| abstract |
Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. © Springer Basel AG 2011 |
| abstractGer |
Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. © Springer Basel AG 2011 |
| abstract_unstemmed |
Abstract Although anaerobic metabolism in lake sediments is strongly related to organic material from the trophogenic layer, little is known about the role of food web structure in this respect. We tested the influence of planktivorous fish (treatments with or without fish, ±F) and nutrients (treatments with or without fertilization, ±N) on chlorophyll a, zooplankton, sedimentation of particulate organic carbon (POC), and methane accumulation in large enclosures with anoxic hypolimnia (10 m diameter, 8 m deep, 2 × 2 factorial design). Additionally, methane production potential from settled material was estimated in laboratory experiments. In the enclosures, methane accumulation rate increased in the order +F/−N, −F/+N, −F/−N, and +F/+N, while POC sedimentation was similar in all treatments. Settled POC was more efficiently transformed into methane in −F/−N than in +F/−N treatments. However, an opposite effect was observed between −F/+N and +F/+N treatments. In the laboratory, methane production potential was higher when (1) POC content in settled matter increased, and (2) no fish were present. This corresponded well only to field results obtained in −F/−N and +F/−N treatments. The unexpectedly high methane accumulation in the +F/+N treatment was very likely related to abrupt depletion of other electron acceptors in the hypolimnion, which attenuated effects of food web structure. In conclusion, our results indicate that food web structure indirectly affects anaerobic microbial activity primarily due to changes in the decomposition potential of settled organic matter. © Springer Basel AG 2011 |
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Effects of pelagic food web structure and nutrient concentration on anaerobic methane metabolism in lake sediments |
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Casper, Peter Kasprzak, Peter |
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| score |
7.401613 |