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{
            
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  "author": "Sciandra, Antoine",
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  "author": "Sciandra, Antoine",
            
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  "author_email": "",
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  "author_email": "",
            
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  "citation": [],
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  "citation": [],
            
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  "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700",
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  "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700",
            
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  "doi": "10.1594/PANGAEA.727841",
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  "doi": "10.1594/PANGAEA.727841",
            
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  "doi_date_published": "2003",
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  "doi_date_published": "2003",
            
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  "doi_publisher": "",
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  "doi_publisher": "",
            
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  "doi_status": "True",
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  "doi_status": "True",
            
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  "extra_authors": [
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  "extra_authors": [
            
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    {
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    {
            
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      "extra_author": "Harlay, J\u00e9r\u00f4me",
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      "extra_author": "Harlay, J\u00e9r\u00f4me",
            
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      "familyName": "Harlay",
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      "familyName": "Harlay",
            
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      "givenName": "J\u00e9r\u00f4me",
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      "givenName": "J\u00e9r\u00f4me",
            
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      "orcid": ""
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      "orcid": ""
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Lef\u00e8vre, Dominique",
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      "extra_author": "Lef\u00e8vre, Dominique",
            
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      "familyName": "Lef\u00e8vre",
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      "familyName": "Lef\u00e8vre",
            
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      "givenName": "Dominique",
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      "givenName": "Dominique",
            
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      "orcid": ""
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      "orcid": ""
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Lemee, R",
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      "extra_author": "Lemee, R",
            
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      "familyName": "Lemee",
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      "familyName": "Lemee",
            
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      "givenName": "R",
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      "givenName": "R",
            
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      "orcid": ""
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      "orcid": ""
            
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    },
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    },
            
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    {
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    {
            
30
      "extra_author": "Rimmelin, Peguy",
30
      "extra_author": "Rimmelin, Peguy",
            
31
      "familyName": "Rimmelin",
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      "familyName": "Rimmelin",
            
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      "givenName": "Peguy",
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      "givenName": "Peguy",
            
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      "orcid": ""
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      "orcid": ""
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Denis, Michel",
36
      "extra_author": "Denis, Michel",
            
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      "familyName": "Denis",
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      "familyName": "Denis",
            
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      "givenName": "Michel",
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      "givenName": "Michel",
            
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      "orcid": ""
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      "orcid": ""
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Gattuso, Jean-Pierre",
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      "extra_author": "Gattuso, Jean-Pierre",
            
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      "familyName": "Gattuso",
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      "familyName": "Gattuso",
            
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      "givenName": "Jean-Pierre",
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      "givenName": "Jean-Pierre",
            
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      "orcid": "0000-0002-4533-4114"
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      "orcid": "0000-0002-4533-4114"
            
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    }
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    }
            
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  ],
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  ],
            
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  "familyName": "Sciandra",
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  "familyName": "Sciandra",
            
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  "givenName": "Antoine",
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  "givenName": "Antoine",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "5c9d6580-ad40-4f2d-8dd9-c1dd6db6f5aa",
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  "id": "5c9d6580-ad40-4f2d-8dd9-c1dd6db6f5aa",
            
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  "isopen": false,
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  "isopen": false,
            
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  "license_id": "CC-BY-3.0",
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  "license_id": "CC-BY-3.0",
            
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  "license_title": "CC-BY-3.0",
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  "license_title": "CC-BY-3.0",
            
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  "metadata_created": "2024-11-29T11:34:07.148185",
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  "metadata_created": "2024-11-29T11:34:07.148185",
            
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  "metadata_modified": "2024-11-29T11:34:07.148191",
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  "metadata_modified": "2024-11-30T10:39:10.252677",
            
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  "name": "png-doi-10-1594-pangaea-727841",
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  "name": "png-doi-10-1594-pangaea-727841",
            
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  "notes": "Precipitation of calcium carbonate by phytoplankton in the 
58
  "notes": "Precipitation of calcium carbonate by phytoplankton in the 
            
59
photic oceanic layer is an important process regulating the carbon 
59
photic oceanic layer is an important process regulating the carbon 
            
60
cycling and the exchange of CO2 at the ocean-atmosphere interface. 
60
cycling and the exchange of CO2 at the ocean-atmosphere interface. 
            
61
Previous experiments have demonstrated that, under nutrient-sufficient 
61
Previous experiments have demonstrated that, under nutrient-sufficient 
            
62
conditions, doubling the partial pressure of CO2 (pCO2) in seawater-a 
62
conditions, doubling the partial pressure of CO2 (pCO2) in seawater-a 
            
63
likely scenario for the end of the century-can significantly decrease 
63
likely scenario for the end of the century-can significantly decrease 
            
64
both the rate of calcification by coccolithophorids and the ratio of 
64
both the rate of calcification by coccolithophorids and the ratio of 
            
65
inorganic to organic carbon production. The present work investigates 
65
inorganic to organic carbon production. The present work investigates 
            
66
the effects of high pCO2 on calcification by the coccolithophore 
66
the effects of high pCO2 on calcification by the coccolithophore 
            
67
Emiliania huxleyi (Strain TW1) grown under nitrogen-limiting 
67
Emiliania huxleyi (Strain TW1) grown under nitrogen-limiting 
            
68
conditions, a situation that can also prevail in the ocean. Nitrogen 
68
conditions, a situation that can also prevail in the ocean. Nitrogen 
            
69
limitation was achieved in NO3-limited continuous cultures renewed at 
69
limitation was achieved in NO3-limited continuous cultures renewed at 
            
70
the rate of 0.5 d-1 and exposed to a saturating light level. pCO2 was 
70
the rate of 0.5 d-1 and exposed to a saturating light level. pCO2 was 
            
71
increased from 400 to 700 ppm and controlled by bubbling CO2-rich or 
71
increased from 400 to 700 ppm and controlled by bubbling CO2-rich or 
            
72
CO2-free air into the cultures. The pCO2 shift has a rapid effect on 
72
CO2-free air into the cultures. The pCO2 shift has a rapid effect on 
            
73
cell physiology that occurs within 2 cell divisions subsequent to the 
73
cell physiology that occurs within 2 cell divisions subsequent to the 
            
74
perturbation. Net calcification rate (C) decreased by 25% and, in 
74
perturbation. Net calcification rate (C) decreased by 25% and, in 
            
75
contrast to previous studies with N-replete cultures, gross community 
75
contrast to previous studies with N-replete cultures, gross community 
            
76
production (GCP) and dark community respiration (DCR) also decreased. 
76
production (GCP) and dark community respiration (DCR) also decreased. 
            
77
These results suggest that increasing pCO2 has no noticeable effect on 
77
These results suggest that increasing pCO2 has no noticeable effect on 
            
78
the calcification/photosynthesis ratio (C/P) when cells of E. huxleyi 
78
the calcification/photosynthesis ratio (C/P) when cells of E. huxleyi 
            
79
are NO3-limited.",
79
are NO3-limited.",
            
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  "organization": {
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2024-11-29T11:32:00.143130",
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    "created": "2024-11-30T10:25:26.439072",
            
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    "description": "PANGAEA (Data Publisher for Earth & Environmental 
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    "description": "PANGAEA (Data Publisher for Earth & Environmental 
            
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Science): The information system PANGAEA is operated as an Open Access 
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Science): The information system PANGAEA is operated as an Open Access 
            
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library aimed at archiving, publishing and distributing georeferenced 
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library aimed at archiving, publishing and distributing georeferenced 
            
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data from earth system research. PANGAEA guarantees long-term 
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data from earth system research. PANGAEA guarantees long-term 
            
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availability (greater than 10 years) of its content. PANGAEA is open 
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availability (greater than 10 years) of its content. PANGAEA is open 
            
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to any project, institution, or individual scientist to use or to 
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to any project, institution, or individual scientist to use or to 
            
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archive and publish data. PANGAEA focuses on georeferenced 
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archive and publish data. PANGAEA focuses on georeferenced 
            
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observational data, experimental data, and models/simulations. 
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observational data, experimental data, and models/simulations. 
            
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Citability, comprehensive metadata descriptions, interoperability of 
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Citability, comprehensive metadata descriptions, interoperability of 
            
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data and metadata, a high degree of structural and semantic 
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data and metadata, a high degree of structural and semantic 
            
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harmonization of the data inventory as well as the commitment of the 
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harmonization of the data inventory as well as the commitment of the 
            
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hosting institutions ensures FAIRness of archived data.",
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hosting institutions ensures FAIRness of archived data.",
            
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    "id": "c2816fc6-b5ce-42c9-b5a4-11709b658b82",
            
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    "image_url": "pangaea_topicbiosphere.png",
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    "image_url": "pangaea_topicecology.png",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "pangaea_biosphere",
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    "name": "pangaea_ecology",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "PANGAEA (Biosphere)",
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    "title": "PANGAEA (Ecology)",
            
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    "type": "organization"
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    "type": "organization"
            
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  },
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  },
            
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  "owner_org": "3226ef9c-20d1-43fd-ba8f-fa35c8c9fb5d",
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  "owner_org": "c2816fc6-b5ce-42c9-b5a4-11709b658b82",
            
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  "private": false,
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  "private": false,
            
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  "publication_year": "2003",
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  "publication_year": "2003",
            
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  "related_identifiers": [
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  "related_identifiers": [
            
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    {
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    {
            
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      "authors": "Sciandra Antoine,Harlay 
111
      "authors": "Sciandra Antoine,Harlay 
            
112
J\u00e9r\u00f4me,Lef\u00e8vre Dominique,Lemee R,Rimmelin Peguy,Denis 
112
J\u00e9r\u00f4me,Lef\u00e8vre Dominique,Lemee R,Rimmelin Peguy,Denis 
            
113
Michel,Gattuso Jean-Pierre",
113
Michel,Gattuso Jean-Pierre",
            
114
      "email_authors": 
114
      "email_authors": 
            
115
lemee@obs-vlfr.frlemme@obs-vlfr.fr,,,jean-pierre.gattuso@imev-mer.fr",
115
lemee@obs-vlfr.frlemme@obs-vlfr.fr,,,jean-pierre.gattuso@imev-mer.fr",
            
116
      "identifier": "https://doi.org/10.3354/meps261111",
116
      "identifier": "https://doi.org/10.3354/meps261111",
            
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      "identifier_type": "DOI",
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      "identifier_type": "DOI",
            
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      "orcid_authors": ",,,,,,0000-0002-4533-4114",
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      "orcid_authors": ",,,,,,0000-0002-4533-4114",
            
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      "relation_type": "IsSupplementTo",
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      "relation_type": "IsSupplementTo",
            
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      "source": "Marine Ecology Progress Series",
120
      "source": "Marine Ecology Progress Series",
            
121
      "title": "Response of coccolithophorid Emiliania huxleyi to 
121
      "title": "Response of coccolithophorid Emiliania huxleyi to 
            
122
elevated partial pressure of CO2 under nitrogen limitation",
122
elevated partial pressure of CO2 under nitrogen limitation",
            
123
      "year": "2003"
123
      "year": "2003"
            
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    }
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    }
            
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  ],
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  ],
            
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  "relationships_as_object": [],
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  "relationships_as_object": [],
            
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  "relationships_as_subject": [],
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  "relationships_as_subject": [],
            
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  "repository_name": "PANGAEA (Data Publisher for Earth & 
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  "repository_name": "PANGAEA (Data Publisher for Earth & 
            
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Environmental Science)",
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Environmental Science)",
            
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  "resource_type": "text/tab-separated-values - filename: 
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  "resource_type": "text/tab-separated-values - filename: 
            
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C_chem_computation_Sciandra_2003",
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C_chem_computation_Sciandra_2003",
            
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  "resources": [],
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  "resources": [],
            
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  "source_metadata_created": "2003",
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  "source_metadata_created": "2003",
            
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  "source_metadata_modified": "",
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  "source_metadata_modified": "",
            
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  "state": "active",
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  "state": "active",
            
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  "subject_areas": [
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  "subject_areas": [
            
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    {
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    {
            
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      "subject_area_additional": "",
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      "subject_area_additional": "",
            
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      "subject_area_name": "BiologicalClassification"
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      "subject_area_name": "BiologicalClassification"
            
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    },
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    },
            
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    {
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    {
            
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      "subject_area_additional": "",
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      "subject_area_additional": "",
            
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      "subject_area_name": "Biosphere"
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      "subject_area_name": "Biosphere"
            
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    },
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    },
            
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    {
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    {
            
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      "subject_area_additional": "",
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      "subject_area_additional": "",
            
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      "subject_area_name": "Chemistry"
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      "subject_area_name": "Chemistry"
            
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    },
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    },
            
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    {
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    {
            
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      "subject_area_additional": "",
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      "subject_area_additional": "",
            
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      "subject_area_name": "Ecology"
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      "subject_area_name": "Ecology"
            
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    },
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    },
            
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    {
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    {
            
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      "subject_area_additional": "",
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      "subject_area_additional": "",
            
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      "subject_area_name": "Oceans"
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      "subject_area_name": "Oceans"
            
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    }
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    }
            
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  ],
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  ],
            
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  "tags": [
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  "tags": [
            
159
    {
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    {
            
n
160
      "display_name": "Calcification-Dissolution",
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      "display_name": "Calcification",
            
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      "id": "90f00008-2fad-42d6-b697-f331b63dca60",
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      "id": "7e8ea514-3848-498c-b07f-22d71e1b83e3",
            
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      "name": "Calcification-Dissolution",
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      "name": "Calcification",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Chromista",
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      "display_name": "Chromista",
            
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      "id": "36ecf721-e11a-4662-8783-da539c625d5c",
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      "id": "36ecf721-e11a-4662-8783-da539c625d5c",
            
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      "name": "Chromista",
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      "name": "Chromista",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Dissolution",
            
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      "id": "ccf682ce-0609-42e9-87cd-0873f6fce3f5",
            
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      "name": "Dissolution",
            
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      "state": "active",
            
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      "vocabulary_id": null
            
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    },
            
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    {
            
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      "display_name": "Emiliania huxleyi",
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      "display_name": "Emiliania huxleyi",
            
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      "id": "4d880b33-55cb-4a0f-a1c1-796a5de0a031",
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      "id": "4d880b33-55cb-4a0f-a1c1-796a5de0a031",
            
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      "name": "Emiliania huxleyi",
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      "name": "Emiliania huxleyi",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Haptophyta",
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      "display_name": "Haptophyta",
            
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      "id": "8bf1fc3b-146a-4852-9542-74adf5d86d57",
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      "id": "8bf1fc3b-146a-4852-9542-74adf5d86d57",
            
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      "name": "Haptophyta",
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      "name": "Haptophyta",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Laboratory experiment",
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      "display_name": "Laboratory experiment",
            
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      "id": "c6c00754-c769-4932-a517-bff2c9512884",
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      "id": "c6c00754-c769-4932-a517-bff2c9512884",
            
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      "name": "Laboratory experiment",
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      "name": "Laboratory experiment",
            
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      "state": "active",
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      "state": "active",
            
192
      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
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    },
            
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    {
201
    {
            
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      "display_name": "Laboratory strains",
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      "display_name": "Laboratory strains",
            
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      "id": "60ce9207-f124-49be-bcc3-809237101388",
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      "id": "60ce9207-f124-49be-bcc3-809237101388",
            
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      "name": "Laboratory strains",
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      "name": "Laboratory strains",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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      "vocabulary_id": null
            
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    },
207
    },
            
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    {
208
    {
            
n
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      "display_name": "Macro-nutrients",
n
209
      "display_name": "Macro",
            
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      "id": "62bf32d2-9725-4025-83ba-08b15073f526",
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      "id": "ddac8082-58bc-47f8-abec-ab7841083807",
            
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      "name": "Macro-nutrients",
211
      "name": "Macro",
            
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      "state": "active",
212
      "state": "active",
            
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      "vocabulary_id": null
213
      "vocabulary_id": null
            
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    },
214
    },
            
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    {
215
    {
            
209
      "display_name": "Not applicable",
216
      "display_name": "Not applicable",
            
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      "id": "ff7fc64a-fa65-45cc-8191-258baccab3c7",
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      "id": "ff7fc64a-fa65-45cc-8191-258baccab3c7",
            
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      "name": "Not applicable",
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      "name": "Not applicable",
            
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      "state": "active",
219
      "state": "active",
            
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      "vocabulary_id": null
220
      "vocabulary_id": null
            
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    },
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    },
            
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    {
222
    {
            
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      "display_name": "Pelagos",
223
      "display_name": "Pelagos",
            
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      "id": "012f5b69-4e75-4f54-8ac4-8bf192cafaa2",
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      "id": "012f5b69-4e75-4f54-8ac4-8bf192cafaa2",
            
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      "name": "Pelagos",
225
      "name": "Pelagos",
            
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      "state": "active",
226
      "state": "active",
            
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      "vocabulary_id": null
227
      "vocabulary_id": null
            
221
    },
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    },
            
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    {
229
    {
            
n
n
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      "display_name": "Photosynthesis",
            
231
      "id": "ab256517-eb7b-4eed-ad52-64a0ee98fe87",
            
232
      "name": "Photosynthesis",
            
233
      "state": "active",
            
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      "vocabulary_id": null
            
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    },
            
236
    {
            
223
      "display_name": "Phytoplankton",
237
      "display_name": "Phytoplankton",
            
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      "id": "9c357867-c046-43fa-ad3e-39f612d5622b",
238
      "id": "9c357867-c046-43fa-ad3e-39f612d5622b",
            
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      "name": "Phytoplankton",
239
      "name": "Phytoplankton",
            
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      "state": "active",
240
      "state": "active",
            
227
      "vocabulary_id": null
241
      "vocabulary_id": null
            
228
    },
242
    },
            
229
    {
243
    {
            
n
230
      "display_name": "Primary production-Photosynthesis",
n
244
      "display_name": "Primary production",
            
231
      "id": "446160f8-ac15-4da8-a39f-79b6c421e396",
245
      "id": "aca6914d-a728-406d-a5b9-dd9593c21e4e",
            
232
      "name": "Primary production-Photosynthesis",
246
      "name": "Primary production",
            
233
      "state": "active",
247
      "state": "active",
            
234
      "vocabulary_id": null
248
      "vocabulary_id": null
            
235
    },
249
    },
            
236
    {
250
    {
            
237
      "display_name": "Respiration",
251
      "display_name": "Respiration",
            
238
      "id": "494c54c9-c9ac-44d3-88fa-8e717d8113e0",
252
      "id": "494c54c9-c9ac-44d3-88fa-8e717d8113e0",
            
239
      "name": "Respiration",
253
      "name": "Respiration",
            
240
      "state": "active",
254
      "state": "active",
            
241
      "vocabulary_id": null
255
      "vocabulary_id": null
            
242
    },
256
    },
            
243
    {
257
    {
            
244
      "display_name": "Single species",
258
      "display_name": "Single species",
            
245
      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
259
      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
            
246
      "name": "Single species",
260
      "name": "Single species",
            
t
t
261
      "state": "active",
            
262
      "vocabulary_id": null
            
263
    },
            
264
    {
            
265
      "display_name": "nutrients",
            
266
      "id": "46776643-4fc4-4ec7-b6bb-623620baae77",
            
267
      "name": "nutrients",
            
247
      "state": "active",
268
      "state": "active",
            
248
      "vocabulary_id": null
269
      "vocabulary_id": null
            
249
    }
270
    }
            
250
  ],
271
  ],
            
251
  "title": "Seawater carbonate chemistry and processes during 
272
  "title": "Seawater carbonate chemistry and processes during 
            
252
experiments with Emiliania huxleyi (TW1), 2003",
273
experiments with Emiliania huxleyi (TW1), 2003",
            
253
  "type": "vdataset",
274
  "type": "vdataset",
            
254
  "url": "https://doi.org/10.1594/PANGAEA.727841"
275
  "url": "https://doi.org/10.1594/PANGAEA.727841"
            
255
}
276
}