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  "author": "Langer, Gerald",
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  "author": "Langer, Gerald",
            
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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.721107",
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  "doi": "10.1594/PANGAEA.721107",
            
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  "doi_date_published": "2006",
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  "doi_date_published": "2006",
            
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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": "Geisen, Markus",
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      "extra_author": "Geisen, Markus",
            
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      "familyName": "Geisen",
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      "familyName": "Geisen",
            
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      "givenName": "Markus",
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      "givenName": "Markus",
            
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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": "Baumann, Karl-Heinz",
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      "extra_author": "Baumann, Karl-Heinz",
            
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      "familyName": "Baumann",
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      "familyName": "Baumann",
            
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      "givenName": "Karl-Heinz",
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      "givenName": "Karl-Heinz",
            
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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": "Kl\u00e4s, Jessica",
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      "extra_author": "Kl\u00e4s, Jessica",
            
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      "familyName": "Kl\u00e4s",
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      "familyName": "Kl\u00e4s",
            
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      "givenName": "Jessica",
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      "givenName": "Jessica",
            
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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": "Riebesell, Ulf",
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      "extra_author": "Riebesell, Ulf",
            
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      "familyName": "Riebesell",
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      "familyName": "Riebesell",
            
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      "givenName": "Ulf",
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      "givenName": "Ulf",
            
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      "orcid": "0000-0002-9442-452X"
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      "orcid": "0000-0002-9442-452X"
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Thoms, Silke",
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      "extra_author": "Thoms, Silke",
            
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      "familyName": "Thoms",
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      "familyName": "Thoms",
            
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      "givenName": "Silke",
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      "givenName": "Silke",
            
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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": "Young, Jeremy",
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      "extra_author": "Young, Jeremy",
            
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      "familyName": "Young",
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      "familyName": "Young",
            
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      "givenName": "Jeremy",
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      "givenName": "Jeremy",
            
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      "orcid": "0000-0001-9320-9804"
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      "orcid": "0000-0001-9320-9804"
            
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    }
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    }
            
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  ],
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  ],
            
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  "familyName": "Langer",
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  "familyName": "Langer",
            
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  "givenName": "Gerald",
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  "givenName": "Gerald",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "1ecf3e0d-4337-4ecd-9234-ebaa27aa17e8",
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  "id": "1ecf3e0d-4337-4ecd-9234-ebaa27aa17e8",
            
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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": "2024-11-29T10:31:29.656132",
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  "metadata_created": "2024-11-29T10:31:29.656132",
            
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  "metadata_modified": "2024-11-29T10:31:29.656137",
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  "metadata_modified": "2024-11-30T14:27:45.981701",
            
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  "name": "png-doi-10-1594-pangaea-721107",
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  "name": "png-doi-10-1594-pangaea-721107",
            
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  "notes": "Uptake of half of the fossil fuel CO2 into the ocean 
58
  "notes": "Uptake of half of the fossil fuel CO2 into the ocean 
            
59
causes gradual seawater acidification. This has been shown to slow 
59
causes gradual seawater acidification. This has been shown to slow 
            
60
down calcification of major calcifying groups, such as corals, 
60
down calcification of major calcifying groups, such as corals, 
            
61
foraminifera, and coccolithophores. Here we show that two of the most 
61
foraminifera, and coccolithophores. Here we show that two of the most 
            
62
productive marine calcifying species, the coccolithophores Coccolithus 
62
productive marine calcifying species, the coccolithophores Coccolithus 
            
63
pelagicus and Calcidiscus leptoporus, do not follow the CO2-related 
63
pelagicus and Calcidiscus leptoporus, do not follow the CO2-related 
            
64
calcification response previously found. In batch culture experiments, 
64
calcification response previously found. In batch culture experiments, 
            
65
particulate inorganic carbon (PIC) of C. leptoporus changes with 
65
particulate inorganic carbon (PIC) of C. leptoporus changes with 
            
66
increasing CO2 concentration in a nonlinear relationship. A PIC 
66
increasing CO2 concentration in a nonlinear relationship. A PIC 
            
67
optimum curve is obtained, with a maximum value at present-day surface 
67
optimum curve is obtained, with a maximum value at present-day surface 
            
68
ocean pCO2 levels (?360 ppm CO2). With particulate organic carbon 
68
ocean pCO2 levels (?360 ppm CO2). With particulate organic carbon 
            
69
(POC) remaining constant over the range of CO2 concentrations, the 
69
(POC) remaining constant over the range of CO2 concentrations, the 
            
70
PIC/POC ratio also shows an optimum curve. In the C. pelagicus 
70
PIC/POC ratio also shows an optimum curve. In the C. pelagicus 
            
71
cultures, neither PIC nor POC changes significantly over the CO2 range 
71
cultures, neither PIC nor POC changes significantly over the CO2 range 
            
72
tested, yielding a stable PIC/POC ratio. Since growth rate in both 
72
tested, yielding a stable PIC/POC ratio. Since growth rate in both 
            
73
species did not change with pCO2, POC and PIC production show the same 
73
species did not change with pCO2, POC and PIC production show the same 
            
74
pattern as POC and PIC. The two investigated species respond 
74
pattern as POC and PIC. The two investigated species respond 
            
75
differently to changes in the seawater carbonate chemistry, 
75
differently to changes in the seawater carbonate chemistry, 
            
76
highlighting the need to consider species-specific effects when 
76
highlighting the need to consider species-specific effects when 
            
77
evaluating whole ecosystem responses. Changes of calcification rate 
77
evaluating whole ecosystem responses. Changes of calcification rate 
            
78
(PIC production) were highly correlated to changes in coccolith 
78
(PIC production) were highly correlated to changes in coccolith 
            
79
morphology. Since our experimental results suggest altered coccolith 
79
morphology. Since our experimental results suggest altered coccolith 
            
80
morphology (at least in the case of C. leptoporus) in the geological 
80
morphology (at least in the case of C. leptoporus) in the geological 
            
81
past, coccoliths originating from sedimentary records of periods with 
81
past, coccoliths originating from sedimentary records of periods with 
            
82
different CO2 levels were analyzed. Analysis of sediment samples was 
82
different CO2 levels were analyzed. Analysis of sediment samples was 
            
83
performed on six cores obtained from locations well above the 
83
performed on six cores obtained from locations well above the 
            
84
lysocline and covering a range of latitudes throughout the Atlantic 
84
lysocline and covering a range of latitudes throughout the Atlantic 
            
85
Ocean. Scanning electron micrograph analysis of coccolith morphologies 
85
Ocean. Scanning electron micrograph analysis of coccolith morphologies 
            
86
did not reveal any evidence for significant numbers of incomplete or 
86
did not reveal any evidence for significant numbers of incomplete or 
            
87
malformed coccoliths of C. pelagicus and C. leptoporus in last glacial 
87
malformed coccoliths of C. pelagicus and C. leptoporus in last glacial 
            
88
maximum and Holocene sediments. The discrepancy between experimental 
88
maximum and Holocene sediments. The discrepancy between experimental 
            
89
and geological results might be explained by adaptation to changing 
89
and geological results might be explained by adaptation to changing 
            
90
carbonate chemistry.",
90
carbonate chemistry.",
            
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  "orcid": "0000-0002-7211-4889",
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  "orcid": "0000-0002-7211-4889",
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2024-11-29T10:29:57.814346",
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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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    "image_url": "pangaea_topicgeophysics.png",
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    "image_url": "pangaea_topicbiologicalclassification.png",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "pangaea_geophysics",
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    "name": "pangaea_biologicalclassification",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "PANGAEA (Geophysics)",
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    "title": "PANGAEA (Biological Classification)",
            
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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": "76c25ab7-8ae1-4fcb-8c3a-3d90943a65be",
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  "private": false,
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  "private": false,
            
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  "publication_year": "2006",
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  "publication_year": "2006",
            
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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": "Langer Gerald,Geisen Markus,Baumann 
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      "authors": "Langer Gerald,Geisen Markus,Baumann 
            
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Karl-Heinz,Kl\u00e4s Jessica,Riebesell Ulf,Thoms Silke,Young Jeremy",
123
Karl-Heinz,Kl\u00e4s Jessica,Riebesell Ulf,Thoms Silke,Young Jeremy",
            
124
      "email_authors": 
124
      "email_authors": 
            
125
cat,,baumann@uni-bremen.de,,uriebesell@geomar.de,silke.thoms@awi.de,",
125
cat,,baumann@uni-bremen.de,,uriebesell@geomar.de,silke.thoms@awi.de,",
            
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      "identifier": "https://doi.org/10.1029/2005GC001227",
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      "identifier": "https://doi.org/10.1029/2005GC001227",
            
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      "identifier_type": "DOI",
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      "identifier_type": "DOI",
            
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      "orcid_authors": 
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      "orcid_authors": 
            
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"0000-0002-7211-4889,,,,0000-0002-9442-452X,,0000-0001-9320-9804",
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"0000-0002-7211-4889,,,,0000-0002-9442-452X,,0000-0001-9320-9804",
            
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      "relation_type": "IsSupplementTo",
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      "relation_type": "IsSupplementTo",
            
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      "source": "Geochemistry, Geophysics, Geosystems",
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      "source": "Geochemistry, Geophysics, Geosystems",
            
132
      "title": "Species-specific responses of calcifying algae to 
132
      "title": "Species-specific responses of calcifying algae to 
            
133
changing seawater carbonate chemistry",
133
changing seawater carbonate chemistry",
            
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      "year": "2006"
134
      "year": "2006"
            
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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_Langer_2006",
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C_chem_computation_Langer_2006",
            
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  "resources": [],
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  "resources": [],
            
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  "source_metadata_created": "2006",
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  "source_metadata_created": "2006",
            
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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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    {
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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": "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": "Geophysics"
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      "subject_area_name": "Geophysics"
            
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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": "Lithosphere"
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      "subject_area_name": "Lithosphere"
            
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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": [
            
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    {
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    {
            
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n
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      "display_name": "Aquaria 20 L",
            
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      "id": "62c412c1-2294-406a-ad79-183330400def",
            
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      "name": "Aquaria 20 L",
            
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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": "Bottles or small containers-Aquaria 20 L",
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      "display_name": "Bottles or small containers",
            
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      "id": "be154617-73a3-4ed4-b54f-69e22323c12a",
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      "id": "ba227243-af91-4efc-8086-790112e90e09",
            
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      "name": "Bottles or small containers-Aquaria 20 L",
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      "name": "Bottles or small containers",
            
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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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    {
180
    {
            
174
      "display_name": "Calcidiscus leptoporus",
181
      "display_name": "Calcidiscus leptoporus",
            
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      "id": "048fdb20-4793-4436-84cc-4f1dade6b6e8",
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      "id": "048fdb20-4793-4436-84cc-4f1dade6b6e8",
            
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      "name": "Calcidiscus leptoporus",
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      "name": "Calcidiscus leptoporus",
            
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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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    {
187
    {
            
n
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      "display_name": "Calcification-Dissolution",
n
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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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    },
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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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      "name": "Chromista",
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      "state": "active",
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      "state": "active",
            
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    },
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    {
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    {
            
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      "display_name": "Coccolithus pelagicus",
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      "display_name": "Coccolithus pelagicus",
            
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      "id": "49c65749-13d3-4de3-9b24-fb9b4755c5f8",
            
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      "name": "Coccolithus pelagicus",
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      "name": "Coccolithus pelagicus",
            
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      "state": "active",
            
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      "name": "Dissolution",
            
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      "display_name": "Growth",
            
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      "name": "Growth-Morphology",
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      "name": "Growth",
            
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    {
            
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      "display_name": "Haptophyta",
            
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    {
            
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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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    {
            
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      "name": "Morphology",
            
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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": "Pelagos",
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      "display_name": "Pelagos",
            
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      "id": "012f5b69-4e75-4f54-8ac4-8bf192cafaa2",
            
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      "name": "Pelagos",
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      "name": "Pelagos",
            
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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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      "id": "ab256517-eb7b-4eed-ad52-64a0ee98fe87",
            
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      "name": "Photosynthesis",
            
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    },
            
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    {
            
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      "display_name": "Phytoplankton",
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      "display_name": "Phytoplankton",
            
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      "id": "9c357867-c046-43fa-ad3e-39f612d5622b",
            
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      "name": "Phytoplankton",
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      "name": "Phytoplankton",
            
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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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    {
            
t
244
      "display_name": "Primary production-Photosynthesis",
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      "display_name": "Primary production",
            
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      "id": "aca6914d-a728-406d-a5b9-dd9593c21e4e",
            
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      "name": "Primary production-Photosynthesis",
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      "name": "Primary production",
            
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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": "Single species",
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      "display_name": "Single species",
            
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      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
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      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
            
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      "name": "Single species",
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      "name": "Single species",
            
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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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    {
285
    {
            
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      "display_name": "South Atlantic",
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      "display_name": "South Atlantic",
            
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      "id": "1903c9af-b469-4256-b370-3a2e50896d95",
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      "id": "1903c9af-b469-4256-b370-3a2e50896d95",
            
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      "name": "South Atlantic",
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      "name": "South Atlantic",
            
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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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    }
            
264
  ],
292
  ],
            
265
  "title": "Seawater carbonate chemistry, growth rate and processes 
293
  "title": "Seawater carbonate chemistry, growth rate and processes 
            
266
during experiments with Coccolithus pelagicus and Calcidiscus 
294
during experiments with Coccolithus pelagicus and Calcidiscus 
            
267
leptoporus, 2006",
295
leptoporus, 2006",
            
268
  "type": "vdataset",
296
  "type": "vdataset",
            
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  "url": "https://doi.org/10.1594/PANGAEA.721107"
297
  "url": "https://doi.org/10.1594/PANGAEA.721107"
            
270
}
298
}