{"@context": "https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld", "@type": "dcat:Catalog", "conformsTo": "https://project-open-data.cio.gov/v1.1/schema", "describedBy": "https://project-open-data.cio.gov/v1.1/schema/catalog.json", "@id": "https://data.rh-fsh-was.iita.org/data.json", "title": "Regional Hub \u2014 Central Data Infrastructure catalogue", "description": "FAIR catalogue of the hub's soil-health and fertilizer data systems for West Africa & the Sahel. Sovereign national-system records are governed separately and excluded from this feed.", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health (IITA)"}, "dataset": [{"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/CDS", "title": "Central Data Store \u2014 Ingestion \u00b7 catalogue \u00b7 curated storage", "description": "The heart of the platform. Every source arrives through a written contract, and records that fail validation are quarantined \u2014 never silently dropped. A metadata catalogue holds definitions, vocabularies, ownership and lineage, which is where the FAIR commitment becomes something the hub can demonstrate. Curated storage keeps one canonical model of sites, samples, analyses and trials \u2014 with spatial data, documents and versioned training sets alongside it \u2014 a single source of truth in place of extracts assembled by hand.", "keyword": ["tool", "produced", "store:internal", "Governed core", "Catalogue", "Curation", "Ingestion & validation", "Metadata catalogue", "Curated storage", "Versioned"], "issued": "2026-08-27", "modified": "2026-08-27", "version": "v4.0", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Data platform team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "non-public", "license": "Internal \u2014 not distributed; products served via the API gateway", "spatial": "West Africa & Sahel", "temporal": "2021\u2013present", "accrualPeriodicity": "Continuous", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/CDS", "distribution": [{"@type": "dcat:Distribution", "format": "Parquet", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/CDS"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/catalogue"}], "theme": ["Governed core", "Catalogue", "Curation"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/FRPCAS", "title": "Cassava fertiliser-response \u2014 humid forest zone", "description": "Fertiliser-response dataset for cassava across the humid forest zone; root yield and quality response to nutrient rates.", "keyword": ["data", "produced", "store:dataverse", "Fertilizer", "Yield response", "Cassava", "Root crops"], "issued": "2022-07-12", "modified": "2022-07-12", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub / national partners", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "spatial": "Nigeria, Sierra Leone", "temporal": "2018\u20132021", "accrualPeriodicity": "Per season", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/FRPCAS", "theme": ["Fertilizer", "Yield response", "Cassava", "Root crops"]}, {"@type": "dcat:Dataset", "identifier": "https://doi.org/10.18730/fr-maize-wa-2024", "title": "Maize fertiliser-response dataset \u2014 West Africa", "description": "Harmonised maize fertiliser-response records pooled from regional trials, cleaned to a common schema (rate, nutrient, yield, agronomic use efficiency). Published open for modelling and meta-analysis.", "keyword": ["data", "curated", "store:dataverse", "Fertilizer", "Yield response", "Maize"], "issued": "2024-03-01", "modified": "2024-03-01", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub / national partners", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY 4.0", "spatial": "Nigeria, Ghana, Mali, Burkina Faso", "temporal": "2015\u20132023", "accrualPeriodicity": "Annual", "landingPage": "https://data.rh-fsh-was.iita.org/dataverse/fr-maize", "theme": ["Fertilizer", "Yield response", "Maize"]}, {"@type": "dcat:Dataset", "identifier": "https://doi.org/10.18730/fr-rice-gha-2023", "title": "Rice fertiliser-response \u2014 inland valleys, Ghana", "description": "Rice fertiliser-response trials in inland valleys, capturing yield response to N, P and K rates for recommendation calibration.", "keyword": ["data", "curated", "store:dataverse", "Fertilizer", "Yield response", "Rice", "Lowland"], "issued": "2023-08-20", "modified": "2023-08-20", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub / national partners", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY 4.0", "spatial": "Ghana", "temporal": "2019\u20132022", "accrualPeriodicity": "Per season", "landingPage": "https://data.rh-fsh-was.iita.org/dataverse/fr-rice", "theme": ["Fertilizer", "Yield response", "Rice", "Lowland"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/IFDC", "title": "IFDC Soil Maps \u2014 Regional digital soil maps \u00b7 Soil Values", "description": "Digital soil maps produced by IFDC under the Soil Values programme (2024\u20132034), a partner in this Regional Hub alongside IITA, OCP Africa, APNI, UM6P and the World Bank / AICCRA. The hub surfaces these regional soil layers so partners can find and request them; access is arranged with IFDC under the programme's terms.", "keyword": ["data", "curated", "store:external", "Soil", "Fertility", "West Africa", "Digital soil mapping", "Agronomy"], "modified": "2026-09-01", "publisher": {"@type": "org:Organization", "name": "IFDC \u2014 Soil Values programme"}, "contactPoint": {"@type": "vcard:Contact", "fn": "IFDC \u2014 Soil Values programme", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "By data-sharing agreement", "spatial": "Burkina Faso, Mali, West Africa & Sahel", "temporal": "2025\u2013present", "accrualPeriodicity": "On model release", "conformsTo": ["FAO GloSIS (ISO 28258)"], "landingPage": "https://ifdc.org/projects/soil-values/", "distribution": [{"@type": "dcat:Distribution", "format": "GeoTIFF", "accessURL": "https://ifdc.org/projects/soil-values/"}, {"@type": "dcat:Distribution", "format": "WMS", "accessURL": "https://ifdc.org/projects/soil-values/"}], "theme": ["Soil", "Fertility", "West Africa"]}, {"@type": "dcat:Dataset", "identifier": "https://doi.org/10.1371/journal.pbio.3001441", "title": "iSDAsoil \u2014 Africa soil nutrients \u00b7 30 m", "description": "iSDAsoil, by iSDA (Innovative Solutions for Decision Agriculture), is the first continent-scale soil map for Africa at 30 m resolution, covering 20+ soil properties at two depths with per-property uncertainty. The hub references it so its nutrient layers can inform advice; data stays open (CC-BY 4.0) and is served from iSDA's own REST API.", "keyword": ["data", "curated", "store:external", "Soil", "Nutrients", "Africa", "pH", "Extractable P & K", "Texture", "Fertility"], "modified": "2026-09-01", "publisher": {"@type": "org:Organization", "name": "iSDA \u2014 Innovative Solutions for Decision Agriculture"}, "contactPoint": {"@type": "vcard:Contact", "fn": "iSDA \u2014 Innovative Solutions for Decision Agriculture", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY 4.0", "spatial": "Africa", "temporal": "2021\u2013present", "accrualPeriodicity": "On model release", "conformsTo": ["FAO GloSIS (ISO 28258)", "CC-BY 4.0"], "landingPage": "https://www.isda-africa.com/isdasoil/", "distribution": [{"@type": "dcat:Distribution", "format": "GeoTIFF", "accessURL": "https://www.isda-africa.com/isdasoil/"}, {"@type": "dcat:Distribution", "format": "REST API", "accessURL": "https://www.isda-africa.com/isdasoil/"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.isda-africa.com/isdasoil/soilproperty"}], "theme": ["Soil", "Nutrients", "Africa"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/KR", "title": "Knowledge Repository \u2014 Evidence synthesis", "description": "Holds publications, national archives and grey literature, and synthesises evidence across the research corpus. Model results feed the repository, and extracted evidence feeds back into the models \u2014 a genuine two-way loop with the ML Module.", "keyword": ["knowledge", "curated", "store:gardian", "Knowledge", "Evidence", "Research", "Evidence synthesis", "Research corpus", "Feedback loop"], "issued": "2026-08-24", "modified": "2026-08-24", "version": "v1.2", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Knowledge team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY-4.0", "spatial": "West Africa & Sahel", "temporal": "Historical\u2013present", "accrualPeriodicity": "Continuous", "landingPage": "https://gardian.bigdata.cgiar.org", "distribution": [{"@type": "dcat:Distribution", "format": "PDF", "accessURL": "https://gardian.bigdata.cgiar.org"}, {"@type": "dcat:Distribution", "format": "JSON", "accessURL": "https://gardian.bigdata.cgiar.org"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/knowledge"}], "theme": ["Knowledge", "Evidence", "Research"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/LIMS", "title": "LIMS \u2014 Laboratory analysis", "description": "The laboratory information management system. It receives the sample manifest from SDMT, moves each sample through analysis, and records the soil analysis results together with the methods, units and quality-control checks that stand behind every number.", "keyword": ["tool", "produced", "store:internal", "Soil", "Laboratory", "Analysis", "Soil analysis results", "Methods & units", "Laboratory QC"], "issued": "2026-08-26", "modified": "2026-08-26", "version": "v3.1", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Laboratory team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "Restricted \u2014 under data-sharing agreement", "spatial": "West Africa & Sahel", "temporal": "2022\u2013present", "accrualPeriodicity": "Continuous", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/LIMS", "distribution": [{"@type": "dcat:Distribution", "format": "CSV", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/LIMS"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/lims"}], "theme": ["Soil", "Laboratory", "Analysis"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/MAP", "title": "WebGIS \u2014 Interactive soil maps & dashboards", "description": "The hub\u2019s interactive soil GIS \u2014 search a location, inspect soil profiles, and navigate soil properties across the region.", "keyword": ["tool", "produced", "store:internal", "Maps", "Dashboards", "Reporting", "Spatial views", "Programme reporting", "Hub & partners"], "issued": "2026-08-18", "modified": "2026-08-18", "version": "v1.1", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Maps team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY-4.0", "spatial": "West Africa & Sahel", "temporal": "2023\u2013present", "accrualPeriodicity": "Continuous", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/MAP", "distribution": [{"@type": "dcat:Distribution", "format": "Web", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/MAP"}, {"@type": "dcat:Distribution", "format": "WMTS", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/MAP"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/maps"}], "theme": ["Maps", "Dashboards", "Reporting"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/ML", "title": "ML Module \u2014 Analytics \u00b7 model registry \u00b7 serving", "description": "Two capabilities in one. Analytics and feature preparation \u2014 covariate extraction and reproducible joins across soil, trial and weather records. And a model registry and serving layer: models are versioned and return full prediction distributions, with every result traceable to the exact data that produced it. Outputs are written back to the store; models are served to the products through the secured API gateway; and extracted evidence from the Knowledge Repository feeds back in.", "keyword": ["tool", "produced", "store:internal", "Analytics", "Models", "Predictions", "Feature preparation", "Model registry", "Traceable serving"], "issued": "2026-07-10", "modified": "2026-07-10", "version": "v2.2", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Analytics team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "Restricted \u2014 under data-sharing agreement", "spatial": "West Africa & Sahel", "temporal": "2023\u2013present", "accrualPeriodicity": "On model release", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/ML", "distribution": [{"@type": "dcat:Distribution", "format": "Model registry", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/ML"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/models"}], "theme": ["Analytics", "Models", "Predictions"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/RES", "title": "Researchers \u2014 Curated data \u00b7 read-only", "description": "Researchers receive curated data for analysis, publication and independent validation, served over the secured API gateway. They hold no database credentials beyond a read-only role \u2014 access is deliberate and scoped, not open.", "keyword": ["data", "produced", "store:dataverse", "Research", "Curated data", "Read-only", "Analysis", "Publication", "Independent validation"], "modified": "2026-09-01", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Data platform team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "Restricted \u2014 read-only under agreement", "spatial": "West Africa & Sahel", "temporal": "2022\u2013present", "accrualPeriodicity": "On request", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/RES", "distribution": [{"@type": "dcat:Distribution", "format": "CSV", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/RES"}, {"@type": "dcat:Distribution", "format": "Parquet", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/RES"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://api.rh-fsh-was.iita.org/v1/research"}], "theme": ["Research", "Curated data", "Read-only"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/SDMT", "title": "SDMT \u2014 Sampling design & metadata", "description": "The sampling design and metadata tool. It plans where and how soil is sampled, records site metadata, and issues the sample manifest \u2014 the identity document that travels with each batch of samples to the laboratory.", "keyword": ["tool", "produced", "store:internal", "Soil", "Sampling", "Metadata", "Sampling design", "Site metadata", "Sample manifests"], "issued": "2026-06-01", "modified": "2026-06-01", "version": "v2.4", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Sampling & Metadata team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "Restricted \u2014 under data-sharing agreement", "spatial": "West Africa & Sahel", "temporal": "2022\u2013present", "accrualPeriodicity": "Per sampling campaign", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/SDMT", "distribution": [{"@type": "dcat:Distribution", "format": "CSV", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/SDMT"}, {"@type": "dcat:Distribution", "format": "PDF", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/SDMT"}], "theme": ["Soil", "Sampling", "Metadata"]}, {"@type": "dcat:Dataset", "identifier": "https://doi.org/10.5194/soil-7-217-2021", "title": "SoilGrids \u2014 Global soil property maps \u00b7 250 m", "description": "SoilGrids 2.0, produced by ISRIC \u2014 World Soil Information, is a global system of digital soil-property maps at 250 m resolution built by machine learning from ~240,000 soil profiles. The hub references it as a federated layer: discover it here, then pull the rasters directly from ISRIC's open OGC services (WMS/WCS) under CC-BY 4.0.", "keyword": ["data", "curated", "store:external", "Soil", "Digital soil mapping", "Global", "pH", "Organic carbon", "Texture", "Uncertainty"], "modified": "2026-09-01", "version": "2.0", "publisher": {"@type": "org:Organization", "name": "ISRIC \u2014 World Soil Information"}, "contactPoint": {"@type": "vcard:Contact", "fn": "ISRIC \u2014 World Soil Information", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY 4.0", "spatial": "Global", "temporal": "2020\u2013present", "accrualPeriodicity": "On model release", "conformsTo": ["FAO GloSIS (ISO 28258)", "OGC WMS", "OGC WCS", "CC-BY 4.0"], "landingPage": "https://soilgrids.org", "distribution": [{"@type": "dcat:Distribution", "format": "GeoTIFF", "accessURL": "https://soilgrids.org"}, {"@type": "dcat:Distribution", "format": "WMS", "accessURL": "https://soilgrids.org"}, {"@type": "dcat:Distribution", "format": "WCS", "accessURL": "https://soilgrids.org"}, {"@type": "dcat:Distribution", "format": "API", "mediaType": "application/json", "accessURL": "https://rest.isric.org/soilgrids/v2.0/docs"}], "theme": ["Soil", "Digital soil mapping", "Global"]}, {"@type": "dcat:Dataset", "identifier": "https://doi.org/10.18730/svy-agro-gha-2022", "title": "Agro-input & soil-fertility survey \u2014 Ghana", "description": "Survey of agro-input access, fertiliser use and soil-fertility management practices; de-identified and published open for programme design.", "keyword": ["data", "curated", "store:dataverse", "Survey", "Agro-inputs", "Socio-economic"], "issued": "2023-04-15", "modified": "2023-04-15", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub / national partners", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "public", "license": "CC-BY 4.0", "spatial": "Ghana", "temporal": "2022", "accrualPeriodicity": "Ongoing / recurring", "landingPage": "https://data.rh-fsh-was.iita.org/dataverse/svy-agro", "theme": ["Survey", "Agro-inputs", "Socio-economic"]}, {"@type": "dcat:Dataset", "identifier": "https://data.rh-fsh-was.iita.org/dataset/TRL", "title": "Trial System \u2014 Field experiments", "description": "Manages field experiments and records agronomic data: the treatments applied, where, and the yields observed. Trial records land in the Central Data Store alongside soil and weather data so they can be analysed together.", "keyword": ["tool", "produced", "store:internal", "Agronomy", "Field trials", "Yields", "Field experiments", "Treatments", "Observed yields"], "issued": "2026-04-10", "modified": "2026-04-10", "version": "v1.8", "publisher": {"@type": "org:Organization", "name": "Regional Hub for Fertilizer & Soil Health \u2014 West Africa & the Sahel (IITA)"}, "contactPoint": {"@type": "vcard:Contact", "fn": "Regional Hub \u2014 Trials team", "hasEmail": "mailto:regionalfsh@cgiar.org"}, "accessLevel": "restricted public", "license": "Restricted \u2014 under data-sharing agreement", "spatial": "West Africa & Sahel", "temporal": "2021\u2013present", "accrualPeriodicity": "Per season", "landingPage": "https://data.rh-fsh-was.iita.org/dataset/TRL", "distribution": [{"@type": "dcat:Distribution", "format": "CSV", "accessURL": "https://data.rh-fsh-was.iita.org/dataset/TRL"}], "theme": ["Agronomy", "Field trials", "Yields"]}]}