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to[{'subject_area_additional': '', 'subject_area_name': 'Agriculture'}, {'subject_area_additional': '', 'subject_area_name': 'Lithosphere'}]
in Phosphorus fractions in soil of the Jena Experiment (Main Experiment, year 2007)
f | 1 | { | f | 1 | { |
2 | "author": "Oelmann Yvonne", | 2 | "author": "Oelmann Yvonne", | ||
3 | "author_email": "", | 3 | "author_email": "", | ||
4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | 4 | "creator_user_id": "17755db4-395a-4b3b-ac09-e8e3484ca700", | ||
5 | "doi": "10.1594/PANGAEA.854460", | 5 | "doi": "10.1594/PANGAEA.854460", | ||
6 | "doi_date_published": "2015", | 6 | "doi_date_published": "2015", | ||
7 | "doi_publisher": "", | 7 | "doi_publisher": "", | ||
8 | "doi_status": "True", | 8 | "doi_status": "True", | ||
9 | "extra_authors": [ | 9 | "extra_authors": [ | ||
10 | { | 10 | { | ||
11 | "extra_author": "Wilcke Wolfgang", | 11 | "extra_author": "Wilcke Wolfgang", | ||
12 | "orcid": "0000-0002-6031-4613" | 12 | "orcid": "0000-0002-6031-4613" | ||
13 | } | 13 | } | ||
14 | ], | 14 | ], | ||
15 | "groups": [], | 15 | "groups": [], | ||
16 | "id": "330edff2-1d63-46c0-b12e-86b67a8528d7", | 16 | "id": "330edff2-1d63-46c0-b12e-86b67a8528d7", | ||
17 | "isopen": false, | 17 | "isopen": false, | ||
18 | "license_id": "CC-BY-3.0", | 18 | "license_id": "CC-BY-3.0", | ||
19 | "license_title": "CC-BY-3.0", | 19 | "license_title": "CC-BY-3.0", | ||
20 | "metadata_created": "2023-01-12T13:31:28.355137", | 20 | "metadata_created": "2023-01-12T13:31:28.355137", | ||
n | 21 | "metadata_modified": "2023-01-12T13:31:28.355142", | n | 21 | "metadata_modified": "2023-03-02T07:15:07.746517", |
22 | "name": "png-doi-10-1594-pangaea-854460", | 22 | "name": "png-doi-10-1594-pangaea-854460", | ||
23 | "notes": "This data set contains measurements of phosphorus | 23 | "notes": "This data set contains measurements of phosphorus | ||
24 | fractions (Hedley fractions) in soil collected 2007 from the main | 24 | fractions (Hedley fractions) in soil collected 2007 from the main | ||
25 | experiment plots of a large grassland biodiversity experiment (the | 25 | experiment plots of a large grassland biodiversity experiment (the | ||
26 | Jena Experiment; see further details below). In the main experiment, | 26 | Jena Experiment; see further details below). In the main experiment, | ||
27 | 82 grassland plots of 20 x 20 m were established from a pool of 60 | 27 | 82 grassland plots of 20 x 20 m were established from a pool of 60 | ||
28 | species belonging to four functional groups (grasses, legumes, tall | 28 | species belonging to four functional groups (grasses, legumes, tall | ||
29 | and small herbs). In May 2002, varying numbers of plant species from | 29 | and small herbs). In May 2002, varying numbers of plant species from | ||
30 | this species pool were sown into the plots to create a gradient of | 30 | this species pool were sown into the plots to create a gradient of | ||
31 | plant species richness (1, 2, 4, 8, 16 and 60 species) and functional | 31 | plant species richness (1, 2, 4, 8, 16 and 60 species) and functional | ||
32 | richness (1, 2, 3, 4 functional groups). Plots were maintained by | 32 | richness (1, 2, 3, 4 functional groups). Plots were maintained by | ||
33 | bi-annual weeding and mowing. \nSoil sampling and analysis: Five | 33 | bi-annual weeding and mowing. \nSoil sampling and analysis: Five | ||
34 | independent soil samples per plot were taken in a depth of 0-15 cm | 34 | independent soil samples per plot were taken in a depth of 0-15 cm | ||
35 | using a soil corer with an inner diameter of 1 cm. The five samples | 35 | using a soil corer with an inner diameter of 1 cm. The five samples | ||
36 | per plot were combined to one composite sample per plot. A four-step | 36 | per plot were combined to one composite sample per plot. A four-step | ||
37 | sequential P fractionation (Hedley fractions) was applied. | 37 | sequential P fractionation (Hedley fractions) was applied. | ||
38 | Sequentially, 20 ml NaHCO3 (adjusted to pH 8.5), 30 ml NaOH, and 35 ml | 38 | Sequentially, 20 ml NaHCO3 (adjusted to pH 8.5), 30 ml NaOH, and 35 ml | ||
39 | HCl were used as extraction solutions for 0.5 g soil. The last step | 39 | HCl were used as extraction solutions for 0.5 g soil. The last step | ||
40 | comprised the combustion (550 \u00b0C) of the remaining soil to | 40 | comprised the combustion (550 \u00b0C) of the remaining soil to | ||
41 | destroy all organic material followed by shaking with 20 ml H2SO4. | 41 | destroy all organic material followed by shaking with 20 ml H2SO4. | ||
42 | Organic P concentrations of the respective fractions were calculated | 42 | Organic P concentrations of the respective fractions were calculated | ||
43 | as the difference between total dissolved P and inorganic P. Duplicate | 43 | as the difference between total dissolved P and inorganic P. Duplicate | ||
44 | phosphate concentrations of P fractions in soil were measured | 44 | phosphate concentrations of P fractions in soil were measured | ||
45 | photometrically (molybdenum blue-reactive P) with a Continuous Flow | 45 | photometrically (molybdenum blue-reactive P) with a Continuous Flow | ||
46 | Analyzer (Bran&Luebbe, Germany).", | 46 | Analyzer (Bran&Luebbe, Germany).", | ||
47 | "num_resources": 0, | 47 | "num_resources": 0, | ||
48 | "num_tags": 0, | 48 | "num_tags": 0, | ||
49 | "orcid": "0000-0003-3513-6568", | 49 | "orcid": "0000-0003-3513-6568", | ||
50 | "organization": { | 50 | "organization": { | ||
51 | "approval_status": "approved", | 51 | "approval_status": "approved", | ||
52 | "created": "2023-01-12T13:31:15.534211", | 52 | "created": "2023-01-12T13:31:15.534211", | ||
53 | "description": "PANGEA (Data Publisher for Earth & Environmental | 53 | "description": "PANGEA (Data Publisher for Earth & Environmental | ||
54 | Science): The information system PANGAEA is operated as an Open Access | 54 | Science): The information system PANGAEA is operated as an Open Access | ||
55 | library aimed at archiving, publishing and distributing georeferenced | 55 | library aimed at archiving, publishing and distributing georeferenced | ||
56 | data from earth system research. PANGAEA guarantees long-term | 56 | data from earth system research. PANGAEA guarantees long-term | ||
57 | availability (greater than 10 years) of its content. PANGAEA is open | 57 | availability (greater than 10 years) of its content. PANGAEA is open | ||
58 | to any project, institution, or individual scientist to use or to | 58 | to any project, institution, or individual scientist to use or to | ||
59 | archive and publish data. PANGAEA focuses on georeferenced | 59 | archive and publish data. PANGAEA focuses on georeferenced | ||
60 | observational data, experimental data, and models/simulations. | 60 | observational data, experimental data, and models/simulations. | ||
61 | Citability, comprehensive metadata descriptions, interoperability of | 61 | Citability, comprehensive metadata descriptions, interoperability of | ||
62 | data and metadata, a high degree of structural and semantic | 62 | data and metadata, a high degree of structural and semantic | ||
63 | harmonization of the data inventory as well as the commitment of the | 63 | harmonization of the data inventory as well as the commitment of the | ||
64 | hosting institutions ensures FAIRness of archived data.", | 64 | hosting institutions ensures FAIRness of archived data.", | ||
65 | "id": "bde9e9b1-5746-46d6-809c-7515b699dbac", | 65 | "id": "bde9e9b1-5746-46d6-809c-7515b699dbac", | ||
66 | "image_url": "pangea-logo.png", | 66 | "image_url": "pangea-logo.png", | ||
67 | "is_organization": true, | 67 | "is_organization": true, | ||
68 | "name": "pangea", | 68 | "name": "pangea", | ||
69 | "state": "active", | 69 | "state": "active", | ||
70 | "title": "PANGEA (Agriculture)", | 70 | "title": "PANGEA (Agriculture)", | ||
71 | "type": "organization" | 71 | "type": "organization" | ||
72 | }, | 72 | }, | ||
73 | "owner_org": "bde9e9b1-5746-46d6-809c-7515b699dbac", | 73 | "owner_org": "bde9e9b1-5746-46d6-809c-7515b699dbac", | ||
74 | "private": false, | 74 | "private": false, | ||
75 | "publication_year": "2015", | 75 | "publication_year": "2015", | ||
76 | "relationships_as_object": [], | 76 | "relationships_as_object": [], | ||
77 | "relationships_as_subject": [], | 77 | "relationships_as_subject": [], | ||
78 | "repository_name": "PANGEA (Data Publisher for Earth & Environmental | 78 | "repository_name": "PANGEA (Data Publisher for Earth & Environmental | ||
79 | Science)", | 79 | Science)", | ||
80 | "resource_type": "text/tab-separated-values - filename: | 80 | "resource_type": "text/tab-separated-values - filename: | ||
81 | JenExp_CNP_fracP_2007", | 81 | JenExp_CNP_fracP_2007", | ||
82 | "resources": [], | 82 | "resources": [], | ||
83 | "source_metadata_created": "2015", | 83 | "source_metadata_created": "2015", | ||
84 | "source_metadata_modified": "", | 84 | "source_metadata_modified": "", | ||
85 | "state": "active", | 85 | "state": "active", | ||
86 | "subject_areas": [ | 86 | "subject_areas": [ | ||
87 | { | 87 | { | ||
88 | "subject_area_additional": "", | 88 | "subject_area_additional": "", | ||
89 | "subject_area_name": "Agriculture" | 89 | "subject_area_name": "Agriculture" | ||
90 | }, | 90 | }, | ||
91 | { | 91 | { | ||
92 | "subject_area_additional": "", | 92 | "subject_area_additional": "", | ||
t | 93 | "subject_area_name": "Chemistry" | t | ||
94 | }, | ||||
95 | { | ||||
96 | "subject_area_additional": "", | ||||
97 | "subject_area_name": "Lithosphere" | 93 | "subject_area_name": "Lithosphere" | ||
98 | } | 94 | } | ||
99 | ], | 95 | ], | ||
100 | "tags": [], | 96 | "tags": [], | ||
101 | "title": "Phosphorus fractions in soil of the Jena Experiment (Main | 97 | "title": "Phosphorus fractions in soil of the Jena Experiment (Main | ||
102 | Experiment, year 2007)", | 98 | Experiment, year 2007)", | ||
103 | "type": "vdataset", | 99 | "type": "vdataset", | ||
104 | "url": "https://doi.org/10.1594/PANGAEA.854460" | 100 | "url": "https://doi.org/10.1594/PANGAEA.854460" | ||
105 | } | 101 | } |