Kernel Metadata Declaration — on demand
ISO 26324 asks a DOI Registration Agency to produce a Kernel Metadata Declaration for every DOI it issues. Give any DOI: its public record becomes a record in the Smart Scholars DOI Metadata Format 1.0, checked against every rule, and declared as the Kernel XML.
✓ Meets every rule of the format
The record below is complete and every controlled value is a DOI Attribute Value Set 2.3 spelling. The Declaration on the right follows DOIMetadataKernel.xsd element by element.
What the DOI identifies
PLANKTON BIODIVERSITY AND LIMNOLOGICAL CONDITIONS IN FRESHWATER PONDS
10.46243/jst.2022.v7.i03.pp30-41 · JournalArticle — an article in a journal · Digital · Visual · Language · en
Published 2022-05-25
Part of Journal of Science & Technology · ISSN 2456-5660 · vol. 7 · no. 3 · pp. 30–41
Principal agents
- Solamuthu Balamurugan Solamuthu Balamurugan (author → Author)
- Longman Publishers (publisher → Publisher)
Also in the record, outside the Kernel: the abstract, the licence, 4 links, 40 references. Source: Crossref (member 25296), registered 2024-02-16, last deposited 2026-09-17.
System metadata — ISO 26324:2025, Annex B · DOI Handbook 10.1
Each element by the standard's name and the Handbook's (in grey), read off the record.
| DOI Name DOI name | 10.46243/jst.2022.v7.i03.pp30-41 |
| Referent Type referentType | Creation |
| Referent Sub-Type referentSubType | JournalArticle — an article in a journal |
| Referent Name(s) referentName(s) | PLANKTON BIODIVERSITY AND LIMNOLOGICAL CONDITIONS IN FRESHWATER PONDS (PrincipalTitle, en) |
| Basic Metadata basicMetadata | author: Solamuthu Balamurugan Solamuthu Balamurugan publisher: Longman Publishers published: 2022-05-25 part of: Journal of Science & Technology · ISSN 2456-5660 · vol. 7 · no. 3 · pp. 30–41 language: en form: Digital · Visual · Language |
| Referent Identifier(s) alternateIdentifier(s) | none besides the DOI |
| Registration Authority registrationAuthorityCode | Crossref — issued by Crossref (member 25296); held here as a copy |
| Created Date issueDate | 2024-02-16 |
| relatedIdentifiers | none needed — the descriptive metadata is in this record |
The record
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"abstract": {
"value": "Our goal was to determine the limnological differences and biodiversity of plankton in two separate lentic ponds in connection to aquaculture. From December 2020 to February 2021, water samples and plankton samples were collected and analysed.The obtained samples contained six distinct species of phytoplankton, including Oscillatoria sp., Spirulina sp., Anabaena sp., Chlorella sp., Volvox sp., Spirogyra sp., and eight different species of zooplankton, including Cyclops vernalis , Oithona rigida, Eucyclops se rrulatus, Oithona rigida , Eucyclops serrulatus , Oithona similis , Oithona nana , Daphnia duplux, Brachionus bruben, Branchionus sp,were observed in the collected samples.The BOD values in the six samples ranged from 6.85 to 7.40 mg/L. This suggests that ther e is a significant amount of organic contamination. In December 2020, all limnological parameters were average, which is necessary for plankton growth and fish survival. In January and February 2021, the limnological parameters increased somewhat, and the level of plankton in both ponds increased.As a result, these two freshwater ponds might be suitable for aquaculture",
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"unstructured": "Arcifa, MS, Northcote TG, Froehlich O.Fish-zooplankton interactions and their effects on water quality of a tropical Brazilian reservoir.Hydrobiologia, 1986;139, pp. 49-5"
},
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"key": "ref3",
"unstructured": "Balamurugan,S, Gulam mohideen,BM, Subramanian,P. Biodiversity of zooplankton in Cauveri River at Tiruchirapalli, Tamilnadu.Journal of Aquatic Biology.1999;14 (1), 21-25"
},
{
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{
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{
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{
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}The Kernel Metadata Declaration
DOIMetadataKernel.xsd · namespace http://www.doi.org/2010/DOISchema · Attribute Value Sets 2.3 · draft — the agency's DOI name is filled in on accreditation
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