Changes
On October 22, 2024, 11:47:13 AM UTC,
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Changed title to Marine nitrogen cycling dynamics under altering redox conditions: insights from deposition of sapropels S1 and the ambiguous S2 in the Eastern Mediterranean Sea (previously Marine nitrogen cycling dynamics under altering redox conditions: insights from depositions of sapropels S1 and the ambiguous S2 in the Eastern Mediterranean Sea)
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Changed the version of Marine nitrogen cycling dynamics under altering redox conditions: insights from deposition of sapropels S1 and the ambiguous S2 in the Eastern Mediterranean Sea to 5 (previously 4)
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| 2 | "author": null, | 2 | "author": null, | ||
| 3 | "author_email": null, | 3 | "author_email": null, | ||
| 4 | "code": "7b.b.fd", | 4 | "code": "7b.b.fd", | ||
| 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | ||
| 6 | "creator_user_id": "63e7592d-9651-4127-b7e7-e2d4a62f88a5", | 6 | "creator_user_id": "63e7592d-9651-4127-b7e7-e2d4a62f88a5", | ||
| 7 | "creators": "[{\"firstname\":\"Zo\u00eb\",\"lastname\":\"van | 7 | "creators": "[{\"firstname\":\"Zo\u00eb\",\"lastname\":\"van | ||
| 8 | Kemenade\",\"orcid\":null,\"affiliation\":\"Royal Netherlands | 8 | Kemenade\",\"orcid\":null,\"affiliation\":\"Royal Netherlands | ||
| 9 | Institute for Sea | 9 | Institute for Sea | ||
| 10 | ctemailaddress\":\"zoe.van.kemenade@nioz.nl\",\"formatted\":\"Zo\u00eb | 10 | ctemailaddress\":\"zoe.van.kemenade@nioz.nl\",\"formatted\":\"Zo\u00eb | ||
| 11 | van Kemenade - Royal Netherlands Institute for Sea Research - ORCID: | 11 | van Kemenade - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 12 | - Corresponding Author - | 12 | - Corresponding Author - | ||
| 13 | Anna\",\"lastname\":\"Cutmore\",\"orcid\":null,\"affiliation\":\"Royal | 13 | Anna\",\"lastname\":\"Cutmore\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 14 | Netherlands Institute for Sea | 14 | Netherlands Institute for Sea | ||
| 15 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Anna | 15 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Anna | ||
| 16 | Cutmore - Royal Netherlands Institute for Sea Research - ORCID: | 16 | Cutmore - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 17 | ick\",\"lastname\":\"Hennekam\",\"orcid\":null,\"affiliation\":\"Royal | 17 | ick\",\"lastname\":\"Hennekam\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 18 | Netherlands Institute for Sea | 18 | Netherlands Institute for Sea | ||
| 19 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Rick | 19 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Rick | ||
| 20 | Hennekam - Royal Netherlands Institute for Sea Research - ORCID: | 20 | Hennekam - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 21 | llen\",\"lastname\":\"Hopmans\",\"orcid\":null,\"affiliation\":\"Royal | 21 | llen\",\"lastname\":\"Hopmans\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 22 | Netherlands Institute for Sea | 22 | Netherlands Institute for Sea | ||
| 23 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ellen | 23 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ellen | ||
| 24 | Hopmans - Royal Netherlands Institute for Sea Research - ORCID: | 24 | Hopmans - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 25 | \"},{\"firstname\":\"Marcel\",\"lastname\":\"van der | 25 | \"},{\"firstname\":\"Marcel\",\"lastname\":\"van der | ||
| 26 | Meer\",\"orcid\":null,\"affiliation\":\"Royal Netherlands Institute | 26 | Meer\",\"orcid\":null,\"affiliation\":\"Royal Netherlands Institute | ||
| 27 | for Sea | 27 | for Sea | ||
| 28 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Marcel | 28 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Marcel | ||
| 29 | van der Meer - Royal Netherlands Institute for Sea Research - ORCID: | 29 | van der Meer - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 30 | \"lastname\":\"Moijtahid\",\"orcid\":null,\"affiliation\":\"University | 30 | \"lastname\":\"Moijtahid\",\"orcid\":null,\"affiliation\":\"University | ||
| 31 | of | 31 | of | ||
| 32 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Meryem | 32 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Meryem | ||
| 33 | Moijtahid - University of Angers - ORCID: | 33 | Moijtahid - University of Angers - ORCID: | ||
| 34 | ,\"lastname\":\"Jorissen\",\"orcid\":null,\"affiliation\":\"University | 34 | ,\"lastname\":\"Jorissen\",\"orcid\":null,\"affiliation\":\"University | ||
| 35 | of | 35 | of | ||
| 36 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Frans | 36 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Frans | ||
| 37 | Jorissen - University of Angers - ORCID: | 37 | Jorissen - University of Angers - ORCID: | ||
| 38 | "Nicole\",\"lastname\":\"Bale\",\"orcid\":null,\"affiliation\":\"Royal | 38 | "Nicole\",\"lastname\":\"Bale\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 39 | Netherlands Institute for Sea | 39 | Netherlands Institute for Sea | ||
| 40 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Nicole | 40 | ndingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Nicole | ||
| 41 | Bale - Royal Netherlands Institute for Sea Research - ORCID: | 41 | Bale - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 42 | Jan\",\"lastname\":\"Reichart\",\"orcid\":null,\"affiliation\":\"Royal | 42 | Jan\",\"lastname\":\"Reichart\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 43 | Netherlands Institute for Sea | 43 | Netherlands Institute for Sea | ||
| 44 | ingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Gert-Jan | 44 | ingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Gert-Jan | ||
| 45 | Reichart - Royal Netherlands Institute for Sea Research - ORCID: | 45 | Reichart - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 46 | \"},{\"firstname\":\"Jaap\",\"lastname\":\"Sinninghe | 46 | \"},{\"firstname\":\"Jaap\",\"lastname\":\"Sinninghe | ||
| 47 | Damst\u00e9\",\"orcid\":null,\"affiliation\":\"Royal Netherlands | 47 | Damst\u00e9\",\"orcid\":null,\"affiliation\":\"Royal Netherlands | ||
| 48 | Institute for Sea | 48 | Institute for Sea | ||
| 49 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Jaap | 49 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Jaap | ||
| 50 | Sinninghe Damst\u00e9 - Royal Netherlands Institute for Sea Research - | 50 | Sinninghe Damst\u00e9 - Royal Netherlands Institute for Sea Research - | ||
| 51 | ORCID: | 51 | ORCID: | ||
| 52 | \"Darci\",\"lastname\":\"Rush\",\"orcid\":null,\"affiliation\":\"Royal | 52 | \"Darci\",\"lastname\":\"Rush\",\"orcid\":null,\"affiliation\":\"Royal | ||
| 53 | Netherlands Institute for Sea | 53 | Netherlands Institute for Sea | ||
| 54 | arch\",\"iscorrespondingauthor\":null,\"contactemailaddress\":null}]", | 54 | arch\",\"iscorrespondingauthor\":null,\"contactemailaddress\":null}]", | ||
| 55 | "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.fd", | 55 | "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.fd", | ||
| 56 | "deposit_date": "2022-09-14", | 56 | "deposit_date": "2022-09-14", | ||
| 57 | "depositor": "Zoe van Kemenade", | 57 | "depositor": "Zoe van Kemenade", | ||
| 58 | "distribution_date": "2022-09-14", | 58 | "distribution_date": "2022-09-14", | ||
| 59 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 59 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 60 | Institute for Sea Research)", | 60 | Institute for Sea Research)", | ||
| 61 | "doi_date_published": "2023-03-15", | 61 | "doi_date_published": "2023-03-15", | ||
| 62 | "funding_references": "[{\"name\":\"Soehngen Institute of Anaerobic | 62 | "funding_references": "[{\"name\":\"Soehngen Institute of Anaerobic | ||
| 63 | Microbiology | 63 | Microbiology | ||
| 64 | \",\"awardnumber\":\"024.002.002\",\"awardtitle\":\"Gravitation | 64 | \",\"awardnumber\":\"024.002.002\",\"awardtitle\":\"Gravitation | ||
| 65 | Grant\"}]", | 65 | Grant\"}]", | ||
| 66 | "groups": [], | 66 | "groups": [], | ||
| 67 | "id": "1afab812-5d8f-445e-85d0-002ab17ba28e", | 67 | "id": "1afab812-5d8f-445e-85d0-002ab17ba28e", | ||
| 68 | "isopen": false, | 68 | "isopen": false, | ||
| 69 | "license_title": null, | 69 | "license_title": null, | ||
| 70 | "maintainer": null, | 70 | "maintainer": null, | ||
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| 72 | "metadata_created": "2024-10-22T11:47:11.843489", | 72 | "metadata_created": "2024-10-22T11:47:11.843489", | ||
| n | 73 | "metadata_modified": "2024-10-22T11:47:13.447363", | n | 73 | "metadata_modified": "2024-10-22T11:47:13.718936", |
| 74 | "name": "7bbfd", | 74 | "name": "7bbfd", | ||
| 75 | "notes": "The eastern Mediterranean Sea (EMS) sedimentary record is | 75 | "notes": "The eastern Mediterranean Sea (EMS) sedimentary record is | ||
| 76 | periodically interspersed with organic- rich \u2018sapropel\u2019 | 76 | periodically interspersed with organic- rich \u2018sapropel\u2019 | ||
| 77 | layers. Sapropels are characteristic of basin-wide anoxic events, | 77 | layers. Sapropels are characteristic of basin-wide anoxic events, | ||
| 78 | triggered by precession-forced insolation maxima. Relatively subdued | 78 | triggered by precession-forced insolation maxima. Relatively subdued | ||
| 79 | insolation maxima, however, are not always expressed as distinct | 79 | insolation maxima, however, are not always expressed as distinct | ||
| 80 | sapropel events. The EMS sedimentary record hereby allows anoxia and | 80 | sapropel events. The EMS sedimentary record hereby allows anoxia and | ||
| 81 | nitrogen (N) cycling tipping points to be investigated, which may act | 81 | nitrogen (N) cycling tipping points to be investigated, which may act | ||
| 82 | as analogues for modern deoxygenation. To this end, we investigated a | 82 | as analogues for modern deoxygenation. To this end, we investigated a | ||
| 83 | ~68 kyr EMS sedimentary record, containing the well-established | 83 | ~68 kyr EMS sedimentary record, containing the well-established | ||
| 84 | sapropel S1 (deposited in two phases: S1a [~10.5\u25008.5 ka BP] and | 84 | sapropel S1 (deposited in two phases: S1a [~10.5\u25008.5 ka BP] and | ||
| 85 | S1b [~7.8\u25006.1 ka BP]) and sediments timed to the ambiguous S2 | 85 | S1b [~7.8\u25006.1 ka BP]) and sediments timed to the ambiguous S2 | ||
| 86 | sapropel (~53 ka BP). We focus on lipid biomarkers of microorganisms | 86 | sapropel (~53 ka BP). We focus on lipid biomarkers of microorganisms | ||
| 87 | to reconstruct key components of the N cycle: (1) anaerobic ammonium | 87 | to reconstruct key components of the N cycle: (1) anaerobic ammonium | ||
| 88 | oxidation (anammox) using ladderanes and a stereoisomer of | 88 | oxidation (anammox) using ladderanes and a stereoisomer of | ||
| 89 | bacteriohopanetetrol (BHT-x), (2) dinitrogen gas (N2) fixation using | 89 | bacteriohopanetetrol (BHT-x), (2) dinitrogen gas (N2) fixation using | ||
| 90 | heterocyte glycolipids (HGs), and (3) nitrification by Thaumarchaeota | 90 | heterocyte glycolipids (HGs), and (3) nitrification by Thaumarchaeota | ||
| 91 | using crenarchaeol. During S1, export-productivity (indicated by the | 91 | using crenarchaeol. During S1, export-productivity (indicated by the | ||
| 92 | barium to aluminum ratio) and anoxia (indicated by redox-sensitive | 92 | barium to aluminum ratio) and anoxia (indicated by redox-sensitive | ||
| 93 | trace elements and benthic foraminifer assemblages) are enhanced. | 93 | trace elements and benthic foraminifer assemblages) are enhanced. | ||
| 94 | Thaumarchaeota are most abundant in S1a, while anammox is enhanced | 94 | Thaumarchaeota are most abundant in S1a, while anammox is enhanced | ||
| 95 | throughout S1. N2-fixation (indicated by bulk sedimentary \u03b415N) | 95 | throughout S1. N2-fixation (indicated by bulk sedimentary \u03b415N) | ||
| 96 | occurs throughout S1, while the highest heterocyte cyanobacteria | 96 | occurs throughout S1, while the highest heterocyte cyanobacteria | ||
| 97 | abundance is at the S1a termination and S1 interval. Ladderane | 97 | abundance is at the S1a termination and S1 interval. Ladderane | ||
| 98 | presence suggests additional episodes of bioavailable N removal | 98 | presence suggests additional episodes of bioavailable N removal | ||
| 99 | between ~69 to 39 cal ka BP. These episodes correspond to brief | 99 | between ~69 to 39 cal ka BP. These episodes correspond to brief | ||
| 100 | periods of water column deoxygenation, with anoxia occurring at the | 100 | periods of water column deoxygenation, with anoxia occurring at the | ||
| 101 | sediment-water interface in sediments timed to S2 (53\u250051 cal ka | 101 | sediment-water interface in sediments timed to S2 (53\u250051 cal ka | ||
| 102 | BP). During these episodes, ladderanes co-occur with the BHT-34R | 102 | BP). During these episodes, ladderanes co-occur with the BHT-34R | ||
| 103 | stereoisomer, but not BHT-x. Compound-specific \u03b413CBHT-34R | 103 | stereoisomer, but not BHT-x. Compound-specific \u03b413CBHT-34R | ||
| 104 | indicates an anammox source. Our results highlight various modes of | 104 | indicates an anammox source. Our results highlight various modes of | ||
| 105 | operation of the N cycle during the different deoxygenation events. | 105 | operation of the N cycle during the different deoxygenation events. | ||
| 106 | During S1a, a combination of N-loss and P-supply may have reinforced | 106 | During S1a, a combination of N-loss and P-supply may have reinforced | ||
| 107 | anoxia, by favoring diatom-diazotroph symbiotic consortia. Conversely, | 107 | anoxia, by favoring diatom-diazotroph symbiotic consortia. Conversely, | ||
| 108 | a coupling between N2-fixation and anammox was not observed during | 108 | a coupling between N2-fixation and anammox was not observed during | ||
| 109 | S1b and the S2-timed interval, either because loss of bioavailable N | 109 | S1b and the S2-timed interval, either because loss of bioavailable N | ||
| 110 | was insufficient or diazotrophs were nutrient limited. During these | 110 | was insufficient or diazotrophs were nutrient limited. During these | ||
| 111 | periods, anammox may have provided negative feedback on anoxia by | 111 | periods, anammox may have provided negative feedback on anoxia by | ||
| 112 | quenching primary production.", | 112 | quenching primary production.", | ||
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| 116 | "approval_status": "approved", | 116 | "approval_status": "approved", | ||
| 117 | "created": "2024-10-22T06:06:56.074257", | 117 | "created": "2024-10-22T06:06:56.074257", | ||
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| 159 | "subject": "Earth and Environmental Sciences", | 159 | "subject": "Earth and Environmental Sciences", | ||
| 160 | "tags": [ | 160 | "tags": [ | ||
| 161 | { | 161 | { | ||
| 162 | "display_name": "Marine nitrogen cycle Sapropel Eastern | 162 | "display_name": "Marine nitrogen cycle Sapropel Eastern | ||
| 163 | Mediterranean Sea Lipid biomarkers Anoxic events", | 163 | Mediterranean Sea Lipid biomarkers Anoxic events", | ||
| 164 | "id": "51ff3a04-a5f0-4927-9a9c-5f77aafcfe0a", | 164 | "id": "51ff3a04-a5f0-4927-9a9c-5f77aafcfe0a", | ||
| 165 | "name": "Marine nitrogen cycle Sapropel Eastern Mediterranean | 165 | "name": "Marine nitrogen cycle Sapropel Eastern Mediterranean | ||
| 166 | Sea Lipid biomarkers Anoxic events", | 166 | Sea Lipid biomarkers Anoxic events", | ||
| 167 | "state": "active", | 167 | "state": "active", | ||
| 168 | "vocabulary_id": null | 168 | "vocabulary_id": null | ||
| 169 | } | 169 | } | ||
| 170 | ], | 170 | ], | ||
| 171 | "title": "Marine nitrogen cycling dynamics under altering redox | 171 | "title": "Marine nitrogen cycling dynamics under altering redox | ||
| n | 172 | conditions: insights from depositions of sapropels S1 and the | n | 172 | conditions: insights from deposition of sapropels S1 and the ambiguous |
| 173 | ambiguous S2 in the Eastern Mediterranean Sea", | 173 | S2 in the Eastern Mediterranean Sea", | ||
| 174 | "type": "dataset", | 174 | "type": "dataset", | ||
| 175 | "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.fd", | 175 | "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.fd", | ||
| t | 176 | "version": "4" | t | 176 | "version": "5" |
| 177 | } | 177 | } |