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On October 22, 2024, 5:56:15 PM UTC,
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Added resource Supplement 1.xlsx to Loss of nitrogen via anaerobic ammonium oxidation (anammox) in the California current system during the late Quaternary
| f | 1 | { | f | 1 | { |
| 2 | "author": null, | 2 | "author": null, | ||
| 3 | "author_email": null, | 3 | "author_email": null, | ||
| 4 | "code": "7b.b.sg", | 4 | "code": "7b.b.sg", | ||
| 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | ||
| 6 | "creator_user_id": "49b521c3-3ece-4a3a-bdd1-2c0c2d36e496", | 6 | "creator_user_id": "49b521c3-3ece-4a3a-bdd1-2c0c2d36e496", | ||
| 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 | author\":true,\"contactemailaddress\":\"zoevankemenade@gmail.com\"}]", | 10 | author\":true,\"contactemailaddress\":\"zoevankemenade@gmail.com\"}]", | ||
| 11 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.sg", | 11 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.sg", | ||
| 12 | "deposit_date": "2023-12-04", | 12 | "deposit_date": "2023-12-04", | ||
| 13 | "depositor": "Zoe van Kemenade", | 13 | "depositor": "Zoe van Kemenade", | ||
| 14 | "distribution_date": "2023-12-04", | 14 | "distribution_date": "2023-12-04", | ||
| 15 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 15 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 16 | Institute for Sea Research)", | 16 | Institute for Sea Research)", | ||
| 17 | "doi_date_published": "2023-12-04", | 17 | "doi_date_published": "2023-12-04", | ||
| 18 | "funding_references": "[{\"name\":\"the Soehngen Institute of | 18 | "funding_references": "[{\"name\":\"the Soehngen Institute of | ||
| 19 | Anaerobic Microbiology | 19 | Anaerobic Microbiology | ||
| 20 | (SIAM)\",\"awardnumber\":\"024.002.002\",\"awardtitle\":\"Gravitation | 20 | (SIAM)\",\"awardnumber\":\"024.002.002\",\"awardtitle\":\"Gravitation | ||
| 21 | Grant\"}]", | 21 | Grant\"}]", | ||
| 22 | "groups": [], | 22 | "groups": [], | ||
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| 28 | "metadata_created": "2024-10-22T17:56:14.612587", | 28 | "metadata_created": "2024-10-22T17:56:14.612587", | ||
| n | 29 | "metadata_modified": "2024-10-22T17:56:15.107005", | n | 29 | "metadata_modified": "2024-10-22T17:56:15.777281", |
| 30 | "name": "7bbsg", | 30 | "name": "7bbsg", | ||
| 31 | "notes": "The California current system (CCS) hosts one of the | 31 | "notes": "The California current system (CCS) hosts one of the | ||
| 32 | largest oxygen minimum zones (OMZs) in the world: the Eastern North | 32 | largest oxygen minimum zones (OMZs) in the world: the Eastern North | ||
| 33 | Pacific (ENP) OMZ, which is dissociated into a subtropical and | 33 | Pacific (ENP) OMZ, which is dissociated into a subtropical and | ||
| 34 | tropical region (i.e., the ESTNP and ETNP). In the modern ENP OMZ, | 34 | tropical region (i.e., the ESTNP and ETNP). In the modern ENP OMZ, | ||
| 35 | bioavailable nitrogen (N) is lost via denitrification and anaerobic | 35 | bioavailable nitrogen (N) is lost via denitrification and anaerobic | ||
| 36 | ammonium oxidation (anammox). Even so, paleo-reconstructions of N-loss | 36 | ammonium oxidation (anammox). Even so, paleo-reconstructions of N-loss | ||
| 37 | have focused solely on denitrification. Fluctuations in bulk | 37 | have focused solely on denitrification. Fluctuations in bulk | ||
| 38 | sedimentary \u03b415N over glacial-interglacial cycles have been | 38 | sedimentary \u03b415N over glacial-interglacial cycles have been | ||
| 39 | interpreted to reflect variations in denitrification rates in response | 39 | interpreted to reflect variations in denitrification rates in response | ||
| 40 | to ETNP OMZ intensity changes. This \u03b415N signal is thought to be | 40 | to ETNP OMZ intensity changes. This \u03b415N signal is thought to be | ||
| 41 | transported northwards to the ESTNP OMZ. Here, we present the first | 41 | transported northwards to the ESTNP OMZ. Here, we present the first | ||
| 42 | CCS sedimentary record of ladderane lipids, biomarkers for anammox, | 42 | CCS sedimentary record of ladderane lipids, biomarkers for anammox, | ||
| 43 | located within the ESTNP OMZ (32\u00b0N; 118\u00b0W). Over the last | 43 | located within the ESTNP OMZ (32\u00b0N; 118\u00b0W). Over the last | ||
| 44 | two glacial terminations (~160 cal ka BP), ladderane concentrations | 44 | two glacial terminations (~160 cal ka BP), ladderane concentrations | ||
| 45 | were analysed in combination with the index of ladderanes with five | 45 | were analysed in combination with the index of ladderanes with five | ||
| 46 | cyclobutane moieties (NL5), short-chain (SC) ladderane degradation | 46 | cyclobutane moieties (NL5), short-chain (SC) ladderane degradation | ||
| 47 | products, and productivity proxies. This shows that: 1) ladderanes | 47 | products, and productivity proxies. This shows that: 1) ladderanes | ||
| 48 | derived from anammox bacteria living within the ESTNP OMZ water | 48 | derived from anammox bacteria living within the ESTNP OMZ water | ||
| 49 | column; 2) ladderanes were continuously present, with relatively high | 49 | column; 2) ladderanes were continuously present, with relatively high | ||
| 50 | concentrations during both glacial- and interglacial-periods, | 50 | concentrations during both glacial- and interglacial-periods, | ||
| 51 | showcasing the ESTNP OMZ must have retained an anoxic core in which | 51 | showcasing the ESTNP OMZ must have retained an anoxic core in which | ||
| 52 | N-loss occurred; and 3) anammox abundance appears to have been driven | 52 | N-loss occurred; and 3) anammox abundance appears to have been driven | ||
| 53 | both by OM-remineralization and advection changes, which regulated | 53 | both by OM-remineralization and advection changes, which regulated | ||
| 54 | nutrient and oxygen levels. Our study shows that anammox was an | 54 | nutrient and oxygen levels. Our study shows that anammox was an | ||
| 55 | important feature in the CCS and provides a more holistic picture of | 55 | important feature in the CCS and provides a more holistic picture of | ||
| 56 | N-loss dynamics and the development of the ESTNP OMZ over | 56 | N-loss dynamics and the development of the ESTNP OMZ over | ||
| 57 | glacial-interglacial cycles. Lastly, ladderanes and their SC-products | 57 | glacial-interglacial cycles. Lastly, ladderanes and their SC-products | ||
| 58 | were also detected in 160\u2013500 cal ka BP sediments (15.7\u201337.5 | 58 | were also detected in 160\u2013500 cal ka BP sediments (15.7\u201337.5 | ||
| 59 | mbsf; analysed at a low temporal resolution), highlighting their | 59 | mbsf; analysed at a low temporal resolution), highlighting their | ||
| 60 | potential as anammox biomarkers in relatively deeper buried sediments | 60 | potential as anammox biomarkers in relatively deeper buried sediments | ||
| 61 | for future studies.", | 61 | for future studies.", | ||
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| 63 | "num_tags": 4, | 63 | "num_tags": 4, | ||
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| 65 | "approval_status": "approved", | 65 | "approval_status": "approved", | ||
| 66 | "created": "2024-10-22T06:06:56.074257", | 66 | "created": "2024-10-22T06:06:56.074257", | ||
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| 83 | "state": "active", | 107 | "state": "active", | ||
| 84 | "subject": "Earth and Environmental Sciences", | 108 | "subject": "Earth and Environmental Sciences", | ||
| 85 | "tags": [ | 109 | "tags": [ | ||
| 86 | { | 110 | { | ||
| 87 | "display_name": "Ladderane lipids", | 111 | "display_name": "Ladderane lipids", | ||
| 88 | "id": "2d7e87f5-f183-4196-bf26-b40c7b4eace3", | 112 | "id": "2d7e87f5-f183-4196-bf26-b40c7b4eace3", | ||
| 89 | "name": "Ladderane lipids", | 113 | "name": "Ladderane lipids", | ||
| 90 | "state": "active", | 114 | "state": "active", | ||
| 91 | "vocabulary_id": null | 115 | "vocabulary_id": null | ||
| 92 | }, | 116 | }, | ||
| 93 | { | 117 | { | ||
| 94 | "display_name": "anammox", | 118 | "display_name": "anammox", | ||
| 95 | "id": "a77a0014-d855-41e1-87cf-d0fadf634e14", | 119 | "id": "a77a0014-d855-41e1-87cf-d0fadf634e14", | ||
| 96 | "name": "anammox", | 120 | "name": "anammox", | ||
| 97 | "state": "active", | 121 | "state": "active", | ||
| 98 | "vocabulary_id": null | 122 | "vocabulary_id": null | ||
| 99 | }, | 123 | }, | ||
| 100 | { | 124 | { | ||
| 101 | "display_name": "the California Current system", | 125 | "display_name": "the California Current system", | ||
| 102 | "id": "3ebcd21f-9e66-42f4-8e03-87db10aaa236", | 126 | "id": "3ebcd21f-9e66-42f4-8e03-87db10aaa236", | ||
| 103 | "name": "the California Current system", | 127 | "name": "the California Current system", | ||
| 104 | "state": "active", | 128 | "state": "active", | ||
| 105 | "vocabulary_id": null | 129 | "vocabulary_id": null | ||
| 106 | }, | 130 | }, | ||
| 107 | { | 131 | { | ||
| 108 | "display_name": "the marine nitrogen cycle", | 132 | "display_name": "the marine nitrogen cycle", | ||
| 109 | "id": "4a83fdaf-c67c-4508-8881-50f5ba1f4243", | 133 | "id": "4a83fdaf-c67c-4508-8881-50f5ba1f4243", | ||
| 110 | "name": "the marine nitrogen cycle", | 134 | "name": "the marine nitrogen cycle", | ||
| 111 | "state": "active", | 135 | "state": "active", | ||
| 112 | "vocabulary_id": null | 136 | "vocabulary_id": null | ||
| 113 | } | 137 | } | ||
| 114 | ], | 138 | ], | ||
| 115 | "title": "Loss of nitrogen via anaerobic ammonium oxidation | 139 | "title": "Loss of nitrogen via anaerobic ammonium oxidation | ||
| 116 | (anammox) in the California current system during the late | 140 | (anammox) in the California current system during the late | ||
| 117 | Quaternary", | 141 | Quaternary", | ||
| 118 | "type": "dataset", | 142 | "type": "dataset", | ||
| 119 | "url": "https://dataportal.nioz.nl/doi/10.25850/nioz/7b.b.sg", | 143 | "url": "https://dataportal.nioz.nl/doi/10.25850/nioz/7b.b.sg", | ||
| 120 | "version": "2" | 144 | "version": "2" | ||
| 121 | } | 145 | } |