Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator
Sediment with different densities of Corophium volutator (Pallas), ranging from 0 to 19 800 ind. m−2, were incubated in laboratory microcosms, and rates of oxygen uptake, denitrification and nitrate ammonification were determined from sediment-water fluxes. The measured processes were stimulated dif...
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| Veröffentlicht in: | Marine ecology. Progress series (Halstenbek) 1994, Vol.105 (3), p.285-290 |
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| container_title | Marine ecology. Progress series (Halstenbek) |
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| creator | Pelegri, Silvia Pedret Nielsen, Lars Peter Blackburn, Thomas Henry |
| description | Sediment with different densities of Corophium volutator (Pallas), ranging from 0 to 19 800 ind. m−2, were incubated in laboratory microcosms, and rates of oxygen uptake, denitrification and nitrate ammonification were determined from sediment-water fluxes. The measured processes were stimulated differently by C. volutator; oxygen uptake, denitrification of NO3− from nitrification within the sediment, and denitrification of NO3− from the overlying water were enhanced 2−, 3− and 5-fold respectively in the presence of 19 800 ind. m−2. This differential stimulation was explained by the different characteristics of diffusional solute transport at the sediment-water interface and mass transfer of water into the burrows where O2 and NO3− was depleted. Denitrification rates were calculated by using the 15N isotope pairing technique. The applicability of the 15N isotope pairing technique for measuring coupled nitrification-denitrification in bioturbated sediment was confirmed in a test incubation with different levels of 15NO3− added to microcosms with 12 000 C. volutator m−2. |
| doi_str_mv | 10.3354/meps105285 |
| format | Article |
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The measured processes were stimulated differently by C. volutator; oxygen uptake, denitrification of NO3− from nitrification within the sediment, and denitrification of NO3− from the overlying water were enhanced 2−, 3− and 5-fold respectively in the presence of 19 800 ind. m−2. This differential stimulation was explained by the different characteristics of diffusional solute transport at the sediment-water interface and mass transfer of water into the burrows where O2 and NO3− was depleted. Denitrification rates were calculated by using the 15N isotope pairing technique. The applicability of the 15N isotope pairing technique for measuring coupled nitrification-denitrification in bioturbated sediment was confirmed in a test incubation with different levels of 15NO3− added to microcosms with 12 000 C. volutator m−2.</description><identifier>ISSN: 0171-8630</identifier><identifier>EISSN: 1616-1599</identifier><identifier>DOI: 10.3354/meps105285</identifier><language>eng</language><publisher>Inter-Research</publisher><subject>Bioturbation ; Corophium volutator ; Density ; Estuarine sediments ; Marine ; Microcosms ; Nitrates ; Nitrification ; Nitrogen ; Oxygen ; Oxygen consumption ; Sediments</subject><ispartof>Marine ecology. 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Progress series (Halstenbek)</title><description>Sediment with different densities of Corophium volutator (Pallas), ranging from 0 to 19 800 ind. m−2, were incubated in laboratory microcosms, and rates of oxygen uptake, denitrification and nitrate ammonification were determined from sediment-water fluxes. The measured processes were stimulated differently by C. volutator; oxygen uptake, denitrification of NO3− from nitrification within the sediment, and denitrification of NO3− from the overlying water were enhanced 2−, 3− and 5-fold respectively in the presence of 19 800 ind. m−2. This differential stimulation was explained by the different characteristics of diffusional solute transport at the sediment-water interface and mass transfer of water into the burrows where O2 and NO3− was depleted. Denitrification rates were calculated by using the 15N isotope pairing technique. The applicability of the 15N isotope pairing technique for measuring coupled nitrification-denitrification in bioturbated sediment was confirmed in a test incubation with different levels of 15NO3− added to microcosms with 12 000 C. volutator m−2.</description><subject>Bioturbation</subject><subject>Corophium volutator</subject><subject>Density</subject><subject>Estuarine sediments</subject><subject>Marine</subject><subject>Microcosms</subject><subject>Nitrates</subject><subject>Nitrification</subject><subject>Nitrogen</subject><subject>Oxygen</subject><subject>Oxygen consumption</subject><subject>Sediments</subject><issn>0171-8630</issn><issn>1616-1599</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNpF0E1LxDAQBuAgCq6rF-9CTh6Ear6apkdZ1w9Y8KLnMk1SN0vb1CRd2H9vtaKnGZhnBuZF6JKSW85zcdfZIVKSM5UfoQWVVGY0L8tjtCC0oJmSnJyisxh3hFApCrlA_sH2LgXXOA3J-R67HtuYRgiutzha4zrbJxyT68YWkjW4PuC0tdiF4D7mFdDJ7V06YN_8jKAbtm7wBq988FM7dnjv2zFB8uEcnTTQRnvxW5fo_XH9tnrONq9PL6v7TaY5VSnjIDRvFDAglGllCCuZBGHy0pY5NVqYmoGQTcEkZ3Wt65oXevJGlrwBIvgSXc93h-A_x-mjqnNR27aF3voxVlRKIkReTPBmhjr4GINtqiG4DsKhoqT6zrT6z3TCVzPexemXP8mEEkJJxb8AEi13Uw</recordid><startdate>1994</startdate><enddate>1994</enddate><creator>Pelegri, Silvia Pedret</creator><creator>Nielsen, Lars Peter</creator><creator>Blackburn, Thomas Henry</creator><general>Inter-Research</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>1994</creationdate><title>Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator</title><author>Pelegri, Silvia Pedret ; Nielsen, Lars Peter ; Blackburn, Thomas Henry</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c318t-3a4c3f8a2a012c8d02926a4d59e951dc4db2a46f72632bbcbb37cf8ad693fa043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Bioturbation</topic><topic>Corophium volutator</topic><topic>Density</topic><topic>Estuarine sediments</topic><topic>Marine</topic><topic>Microcosms</topic><topic>Nitrates</topic><topic>Nitrification</topic><topic>Nitrogen</topic><topic>Oxygen</topic><topic>Oxygen consumption</topic><topic>Sediments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pelegri, Silvia Pedret</creatorcontrib><creatorcontrib>Nielsen, Lars Peter</creatorcontrib><creatorcontrib>Blackburn, Thomas Henry</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Marine ecology. Progress series (Halstenbek)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pelegri, Silvia Pedret</au><au>Nielsen, Lars Peter</au><au>Blackburn, Thomas Henry</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator</atitle><jtitle>Marine ecology. Progress series (Halstenbek)</jtitle><date>1994</date><risdate>1994</risdate><volume>105</volume><issue>3</issue><spage>285</spage><epage>290</epage><pages>285-290</pages><issn>0171-8630</issn><eissn>1616-1599</eissn><abstract>Sediment with different densities of Corophium volutator (Pallas), ranging from 0 to 19 800 ind. m−2, were incubated in laboratory microcosms, and rates of oxygen uptake, denitrification and nitrate ammonification were determined from sediment-water fluxes. The measured processes were stimulated differently by C. volutator; oxygen uptake, denitrification of NO3− from nitrification within the sediment, and denitrification of NO3− from the overlying water were enhanced 2−, 3− and 5-fold respectively in the presence of 19 800 ind. m−2. This differential stimulation was explained by the different characteristics of diffusional solute transport at the sediment-water interface and mass transfer of water into the burrows where O2 and NO3− was depleted. Denitrification rates were calculated by using the 15N isotope pairing technique. The applicability of the 15N isotope pairing technique for measuring coupled nitrification-denitrification in bioturbated sediment was confirmed in a test incubation with different levels of 15NO3− added to microcosms with 12 000 C. volutator m−2.</abstract><pub>Inter-Research</pub><doi>10.3354/meps105285</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0171-8630 |
| ispartof | Marine ecology. Progress series (Halstenbek), 1994, Vol.105 (3), p.285-290 |
| issn | 0171-8630 1616-1599 |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; JSTOR Archive Collection A-Z Listing; Inter-Research Science Center Journals; Alma/SFX Local Collection |
| subjects | Bioturbation Corophium volutator Density Estuarine sediments Marine Microcosms Nitrates Nitrification Nitrogen Oxygen Oxygen consumption Sediments |
| title | Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator |
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