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  "author": "Eichner, Meri",
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  "author": "Eichner, Meri",
            
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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.834555",
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  "doi": "10.1594/PANGAEA.834555",
            
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  "doi_date_published": "2014",
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  "doi_date_published": "2014",
            
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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": "Rost, Bj\u00f6rn",
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      "extra_author": "Rost, Bj\u00f6rn",
            
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      "familyName": "Rost",
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      "familyName": "Rost",
            
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      "givenName": "Bj\u00f6rn",
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      "givenName": "Bj\u00f6rn",
            
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      "orcid": "0000-0001-5452-5505"
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      "orcid": "0000-0001-5452-5505"
            
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    },
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    },
            
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    {
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    {
            
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      "extra_author": "Kranz, Sven A",
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      "extra_author": "Kranz, Sven A",
            
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      "familyName": "Kranz",
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      "familyName": "Kranz",
            
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      "givenName": "Sven A",
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      "givenName": "Sven A",
            
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      "orcid": "0000-0002-6639-6779"
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      "orcid": "0000-0002-6639-6779"
            
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    }
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    }
            
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  ],
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  ],
            
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  "familyName": "Eichner",
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  "familyName": "Eichner",
            
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  "givenName": "Meri",
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  "givenName": "Meri",
            
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  "id": "38b92b50-f047-4f48-93a7-5981f66c251b",
            
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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": "2024-11-29T11:45:01.869646",
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  "metadata_created": "2024-11-29T11:45:01.869646",
            
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  "metadata_modified": "2024-11-29T11:45:01.869651",
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  "metadata_modified": "2024-11-30T10:41:32.511695",
            
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  "name": "png-doi-10-1594-pangaea-834555",
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  "name": "png-doi-10-1594-pangaea-834555",
            
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  "notes": "Considering the important role of N2 fixation for primary 
34
  "notes": "Considering the important role of N2 fixation for primary 
            
35
productivity and CO2 sequestration, it is crucial to assess the 
35
productivity and CO2 sequestration, it is crucial to assess the 
            
36
response of diazotrophs to ocean acidification. Previous studies on 
36
response of diazotrophs to ocean acidification. Previous studies on 
            
37
the genus Trichodesmium suggested a strong sensitivity towards ocean 
37
the genus Trichodesmium suggested a strong sensitivity towards ocean 
            
38
acidification. In view of the large functional diversity in N2 fixers, 
38
acidification. In view of the large functional diversity in N2 fixers, 
            
39
the objective of this study was to improve our knowledge of the CO2 
39
the objective of this study was to improve our knowledge of the CO2 
            
40
responses of other diazotrophs. To this end, the single-celled 
40
responses of other diazotrophs. To this end, the single-celled 
            
41
Cyanothece sp. and two heterocystous species, Nodularia spumigena and 
41
Cyanothece sp. and two heterocystous species, Nodularia spumigena and 
            
42
the symbiotic Calothrix rhizosoleniae, were acclimated to two pCO2 
42
the symbiotic Calothrix rhizosoleniae, were acclimated to two pCO2 
            
43
levels (380 vs. 980 \u00b5atm). Growth rates, cellular composition 
43
levels (380 vs. 980 \u00b5atm). Growth rates, cellular composition 
            
44
(carbon, nitrogen and chlorophyll a) as well as carbon and N2 fixation 
44
(carbon, nitrogen and chlorophyll a) as well as carbon and N2 fixation 
            
45
rates (14C incorporation, acetylene reduction) were measured and 
45
rates (14C incorporation, acetylene reduction) were measured and 
            
46
compared to literature data on different N2 fixers. The three species 
46
compared to literature data on different N2 fixers. The three species 
            
47
investigated in this study responded differently to elevated pCO2, 
47
investigated in this study responded differently to elevated pCO2, 
            
48
showing enhanced, decreased as well as unaltered growth and production 
48
showing enhanced, decreased as well as unaltered growth and production 
            
49
rates. For instance, Cyanothece increased production rates with pCO2, 
49
rates. For instance, Cyanothece increased production rates with pCO2, 
            
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which is in line with the general view that N2 fixers benefit from 
50
which is in line with the general view that N2 fixers benefit from 
            
51
ocean acidification. Due to lowered growth and production of 
51
ocean acidification. Due to lowered growth and production of 
            
52
Nodularia, nitrogen input to the Baltic Sea might decrease in the 
52
Nodularia, nitrogen input to the Baltic Sea might decrease in the 
            
53
future. In Calothrix, no significant changes in growth or production 
53
future. In Calothrix, no significant changes in growth or production 
            
54
could be observed, even though N2 fixation was stimulated under 
54
could be observed, even though N2 fixation was stimulated under 
            
55
elevated pCO2. Reviewing literature data confirmed a large variability 
55
elevated pCO2. Reviewing literature data confirmed a large variability 
            
56
in CO2 sensitivity across diazotrophs. The contrasting response 
56
in CO2 sensitivity across diazotrophs. The contrasting response 
            
57
patterns in our and previous studies were discussed with regard to the 
57
patterns in our and previous studies were discussed with regard to the 
            
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carbonate chemistry in the respective natural habitats, the mode of N2 
58
carbonate chemistry in the respective natural habitats, the mode of N2 
            
59
fixation as well as differences in cellular energy limitation between 
59
fixation as well as differences in cellular energy limitation between 
            
60
the species. The group-specific CO2 sensitivities will impact 
60
the species. The group-specific CO2 sensitivities will impact 
            
61
differently on future biogeochemical cycles of open-ocean environments 
61
differently on future biogeochemical cycles of open-ocean environments 
            
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and systems like the Baltic Sea and should therefore be considered in 
62
and systems like the Baltic Sea and should therefore be considered in 
            
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models estimating climate feedback effects.",
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models estimating climate feedback effects.",
            
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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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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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observational data, experimental data, and models/simulations. 
            
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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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  "publication_year": "2014",
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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": "Eichner Meri,Rost Bj\u00f6rn,Kranz Sven A",
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      "authors": "Eichner Meri,Rost Bj\u00f6rn,Kranz Sven A",
            
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      "email_authors": 
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      "email_authors": 
            
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"meri.eichner@awi.de,bjoern.rost@awi.de,Sven.Kranz@awi.de",
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"meri.eichner@awi.de,bjoern.rost@awi.de,Sven.Kranz@awi.de",
            
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      "identifier": "https://doi.org/10.1016/j.jembe.2014.04.015",
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      "identifier": "https://doi.org/10.1016/j.jembe.2014.04.015",
            
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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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      "relation_type": "IsSupplementTo",
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      "relation_type": "IsSupplementTo",
            
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      "source": "Journal of Experimental Marine Biology and Ecology",
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      "source": "Journal of Experimental Marine Biology and Ecology",
            
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      "title": "Diversity of ocean acidification effects on marine N2 
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      "title": "Diversity of ocean acidification effects on marine N2 
            
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fixers",
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fixers",
            
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      "year": "2014"
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      "year": "2014"
            
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    },
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    },
            
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    {
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    {
            
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      "authors": "Lavigne H\u00e9lo\u00efse,Epitalon 
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      "authors": "Lavigne H\u00e9lo\u00efse,Epitalon 
            
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Jean-Marie,Gattuso Jean-Pierre",
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Jean-Marie,Gattuso Jean-Pierre",
            
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      "email_authors": 
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      "email_authors": 
            
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"hlavigne@naturalsciences.be,,jean-pierre.gattuso@imev-mer.fr",
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"hlavigne@naturalsciences.be,,jean-pierre.gattuso@imev-mer.fr",
            
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      "identifier": "https://cran.r-project.org/package=seacarb",
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      "identifier": "https://cran.r-project.org/package=seacarb",
            
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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": "References",
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      "relation_type": "References",
            
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      "source": "",
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      "source": "",
            
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      "title": "seacarb: seawater carbonate chemistry with R. R 
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      "title": "seacarb: seawater carbonate chemistry with R. R 
            
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package version 3.0",
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package version 3.0",
            
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      "year": "2014"
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      "year": "2014"
            
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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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Eichner_2014",
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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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      "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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      "subject_area_additional": "",
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      "subject_area_name": "Ecology"
            
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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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  "tags": [
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  "tags": [
            
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    {
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    {
            
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      "display_name": "Aquaria 20 L",
            
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      "id": "62c412c1-2294-406a-ad79-183330400def",
            
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      "display_name": "Bacteria",
            
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      "id": "5ae0df6d-44bc-4f6e-a037-0fe04ad3c198",
            
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      "name": "Bacteria",
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      "name": "Bacteria",
            
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      "state": "active",
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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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    {
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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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      "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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    },
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    },
            
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    {
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    {
            
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      "display_name": "Calothrix rhizosoleniae",
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      "display_name": "Calothrix rhizosoleniae",
            
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      "id": "14f4d64e-f998-4198-8515-bf6be80310cc",
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      "id": "14f4d64e-f998-4198-8515-bf6be80310cc",
            
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      "name": "Calothrix rhizosoleniae",
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      "name": "Calothrix rhizosoleniae",
            
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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": "Cyanobacteria",
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      "display_name": "Cyanobacteria",
            
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      "id": "089cf886-b493-4fe2-b9f3-b9f4d852b003",
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      "id": "089cf886-b493-4fe2-b9f3-b9f4d852b003",
            
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      "name": "Cyanobacteria",
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      "name": "Cyanobacteria",
            
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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
            
183
    },
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    },
            
184
    {
191
    {
            
185
      "display_name": "Cyanothece sp.",
192
      "display_name": "Cyanothece sp.",
            
186
      "id": "d2bec6c8-fd72-407b-8b1d-6a16deaf62e9",
193
      "id": "d2bec6c8-fd72-407b-8b1d-6a16deaf62e9",
            
187
      "name": "Cyanothece sp.",
194
      "name": "Cyanothece sp.",
            
188
      "state": "active",
195
      "state": "active",
            
189
      "vocabulary_id": null
196
      "vocabulary_id": null
            
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    },
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    },
            
191
    {
198
    {
            
n
192
      "display_name": "Growth-Morphology",
n
199
      "display_name": "Growth",
            
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      "id": "b00c4eac-980d-42b2-bae9-0aa1b212cf54",
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      "id": "898cbb0c-ff61-4ca3-9e35-0ef6fbb8eb98",
            
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      "name": "Growth-Morphology",
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      "name": "Growth",
            
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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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    },
            
198
    {
205
    {
            
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      "display_name": "Laboratory experiment",
206
      "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",
            
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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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    {
212
    {
            
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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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    },
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    },
            
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    {
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    {
            
n
n
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      "display_name": "Morphology",
            
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      "id": "2345107d-a1a2-43c1-8b38-d670ea499006",
            
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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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    {
            
213
      "display_name": "Nodularia spumigena",
227
      "display_name": "Nodularia spumigena",
            
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      "id": "51160739-8cbb-4c6b-8915-fcdef9987e41",
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      "id": "51160739-8cbb-4c6b-8915-fcdef9987e41",
            
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      "name": "Nodularia spumigena",
229
      "name": "Nodularia spumigena",
            
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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": "Not applicable",
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      "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",
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      "state": "active",
            
224
      "vocabulary_id": null
238
      "vocabulary_id": null
            
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    },
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    },
            
226
    {
240
    {
            
227
      "display_name": "Other metabolic rates",
241
      "display_name": "Other metabolic rates",
            
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      "id": "15b40418-50bc-48f5-b107-e13b4081debf",
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      "id": "15b40418-50bc-48f5-b107-e13b4081debf",
            
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      "name": "Other metabolic rates",
243
      "name": "Other metabolic rates",
            
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      "state": "active",
244
      "state": "active",
            
231
      "vocabulary_id": null
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      "vocabulary_id": null
            
232
    },
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    },
            
233
    {
247
    {
            
234
      "display_name": "Pelagos",
248
      "display_name": "Pelagos",
            
235
      "id": "012f5b69-4e75-4f54-8ac4-8bf192cafaa2",
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      "id": "012f5b69-4e75-4f54-8ac4-8bf192cafaa2",
            
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      "name": "Pelagos",
250
      "name": "Pelagos",
            
237
      "state": "active",
251
      "state": "active",
            
238
      "vocabulary_id": null
252
      "vocabulary_id": null
            
239
    },
253
    },
            
240
    {
254
    {
            
n
n
255
      "display_name": "Photosynthesis",
            
256
      "id": "ab256517-eb7b-4eed-ad52-64a0ee98fe87",
            
257
      "name": "Photosynthesis",
            
258
      "state": "active",
            
259
      "vocabulary_id": null
            
260
    },
            
261
    {
            
241
      "display_name": "Phytoplankton",
262
      "display_name": "Phytoplankton",
            
242
      "id": "9c357867-c046-43fa-ad3e-39f612d5622b",
263
      "id": "9c357867-c046-43fa-ad3e-39f612d5622b",
            
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      "name": "Phytoplankton",
264
      "name": "Phytoplankton",
            
244
      "state": "active",
265
      "state": "active",
            
245
      "vocabulary_id": null
266
      "vocabulary_id": null
            
246
    },
267
    },
            
247
    {
268
    {
            
t
248
      "display_name": "Primary production-Photosynthesis",
t
269
      "display_name": "Primary production",
            
249
      "id": "446160f8-ac15-4da8-a39f-79b6c421e396",
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      "id": "aca6914d-a728-406d-a5b9-dd9593c21e4e",
            
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      "name": "Primary production-Photosynthesis",
271
      "name": "Primary production",
            
251
      "state": "active",
272
      "state": "active",
            
252
      "vocabulary_id": null
273
      "vocabulary_id": null
            
253
    },
274
    },
            
254
    {
275
    {
            
255
      "display_name": "Single species",
276
      "display_name": "Single species",
            
256
      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
277
      "id": "88de69be-3bdd-4cf8-b6a1-386d72c5888d",
            
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      "name": "Single species",
278
      "name": "Single species",
            
258
      "state": "active",
279
      "state": "active",
            
259
      "vocabulary_id": null
280
      "vocabulary_id": null
            
260
    }
281
    }
            
261
  ],
282
  ],
            
262
  "title": "Diversity of ocean acidification effects on marine N2 
283
  "title": "Diversity of ocean acidification effects on marine N2 
            
263
fixers",
284
fixers",
            
264
  "type": "vdataset",
285
  "type": "vdataset",
            
265
  "url": "https://doi.org/10.1594/PANGAEA.834555"
286
  "url": "https://doi.org/10.1594/PANGAEA.834555"
            
266
}
287
}