<HashMap><database>biostudies-literature</database><scores/><additional><submitter>Parente L</submitter><funding>Deutsche Forschungsgemeinschaft (German Research Foundation)</funding><pagination>1303</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC11634896</full_dataset_link><repository>biostudies-literature</repository><omics_type>Unknown</omics_type><volume>11(1)</volume><pubmed_abstract>The paper describes the production and evaluation of global grassland extent mapped annually for 2000-2022 at 30 m spatial resolution. The dataset showing the spatiotemporal distribution of cultivated and natural/semi-natural grassland classes was produced by using GLAD Landsat ARD-2 image archive, accompanied by climatic, landform and proximity covariates, spatiotemporal machine learning (per-class Random Forest) and over 2.3 M reference samples (visually interpreted in Very High Resolution imagery). Custom probability thresholds (based on five-fold spatial cross-validation) were used to derive dominant class maps with balanced user's and producer's accuracy, resulting in f1 score of 0.64 and 0.75 for cultivated and natural/semi-natural grassland, respectively. The produced maps (about 4 </pubmed_abstract><journal>Scientific data</journal><pubmed_title>Annual 30-m maps of global grassland class and extent (2000-2022) based on spatiotemporal Machine Learning.</pubmed_title><pmcid>PMC11634896</pmcid><funding_grant_id>202548816</funding_grant_id><pubmed_authors>Bonannella C</pubmed_authors><pubmed_authors>Meyer C</pubmed_authors><pubmed_authors>Oliveira B</pubmed_authors><pubmed_authors>Ferreira L</pubmed_authors><pubmed_authors>Mattos AP</pubmed_authors><pubmed_authors>Ehrmann S</pubmed_authors><pubmed_authors>Fritz S</pubmed_authors><pubmed_authors>Sloat L</pubmed_authors><pubmed_authors>Mesquita V</pubmed_authors><pubmed_authors>Witjes M</pubmed_authors><pubmed_authors>Teles N</pubmed_authors><pubmed_authors>Hengl T</pubmed_authors><pubmed_authors>Hunter M</pubmed_authors><pubmed_authors>Consoli D</pubmed_authors><pubmed_authors>Sahin M</pubmed_authors><pubmed_authors>Stanimirova R</pubmed_authors><pubmed_authors>Wheeler I</pubmed_authors><pubmed_authors>Parente L</pubmed_authors><pubmed_authors>Malek Z</pubmed_authors><pubmed_authors>Stolle F</pubmed_authors></additional><is_claimable>false</is_claimable><name>Annual 30-m maps of global grassland class and extent (2000-2022) based on spatiotemporal Machine Learning.</name><description>The paper describes the production and evaluation of global grassland extent mapped annually for 2000-2022 at 30 m spatial resolution. The dataset showing the spatiotemporal distribution of cultivated and natural/semi-natural grassland classes was produced by using GLAD Landsat ARD-2 image archive, accompanied by climatic, landform and proximity covariates, spatiotemporal machine learning (per-class Random Forest) and over 2.3 M reference samples (visually interpreted in Very High Resolution imagery). Custom probability thresholds (based on five-fold spatial cross-validation) were used to derive dominant class maps with balanced user's and producer's accuracy, resulting in f1 score of 0.64 and 0.75 for cultivated and natural/semi-natural grassland, respectively. The produced maps (about 4 </description><dates><release>2024-01-01T00:00:00Z</release><publication>2024 Dec</publication><modification>2026-05-29T16:37:54.642Z</modification><creation>2025-04-04T09:12:45.886Z</creation></dates><accession>S-EPMC11634896</accession><cross_references><pubmed>39663386</pubmed><doi>10.1038/s41597-024-04139-6</doi></cross_references></HashMap>