{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T01:48:20Z","timestamp":1792806500102,"version":"4.5.0"},"reference-count":105,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2021,1,14]],"date-time":"2021-01-14T00:00:00Z","timestamp":1610582400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010681","name":"H2020 Environment","doi-asserted-by":"publisher","award":["820852"],"award-info":[{"award-number":["820852"]}],"id":[{"id":"10.13039\/100010681","id-type":"DOI","asserted-by":"publisher"}]},{"name":"POR Regione Puglia FESR 2014-2020","award":["A0106.145, cod. 8Q2LH28"],"award-info":[{"award-number":["A0106.145, cod. 8Q2LH28"]}],"id":[{"id":"https:\/\/ror.org\/039k11f95","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The present study aims to discriminate four semi-arid grassland habitats in a Mediterranean Natura 2000 site, Southern Italy, involving 6210\/E1.263, 62A0\/E1.55, 6220\/E1.434 and X\/E1.61-E1.C2-E1.C4 (according to Annex I of the European Habitat Directive\/EUropean Nature Information System (EUNIS) taxonomies). For this purpose, an intra-annual time-series of 30 Sentinel-2 images, embedding phenology information, were investigated for 2018. The methodology adopted was based on a two-stage workflow employing a Support Vector Machine classifier. In the first stage only four Sentinel-2 multi-season images were analyzed, to provide an updated land cover map from where the grassland layer was extracted. The layer obtained was then used for masking the input features to the second stage. The latter stage discriminated the four grassland habitats by analyzing several input features configurations. These included multiple spectral indices selected from the time-series and the Digital Terrain Model. The results obtained from the different input configurations selected were compared to evaluate if the phenology information from time-series could improve grassland habitats discrimination. The highest F1 values (95.25% and 80.27%) were achieved for 6210\/E1.263 and 6220\/E1.434, respectively, whereas the results remained stable (97,33%) for 62A0\/E1.55 and quite low (75,97%) for X\/E1.61-E1.C2-E1.C4. However, since for all the four habitats analyzed no single configuration resulted effective, a Majority Vote algorithm was applied to achieve a reduction in classification uncertainty.<\/jats:p>","DOI":"10.3390\/rs13020277","type":"journal-article","created":{"date-parts":[[2021,1,15]],"date-time":"2021-01-15T01:33:29Z","timestamp":1610674409000},"page":"277","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":38,"title":["Intra-Annual Sentinel-2 Time-Series Supporting Grassland Habitat Discrimination"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3304-5355","authenticated-orcid":false,"given":"Cristina","family":"Tarantino","sequence":"first","affiliation":[{"name":"Interateneo Physics Department, National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), 70126 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luigi","family":"Forte","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Bari, Via Orabona 4, 70125 Bari, Italy"},{"name":"Botanical Garden Museum of the University of Bari, 70125 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Palma","family":"Blonda","sequence":"additional","affiliation":[{"name":"Interateneo Physics Department, National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), 70126 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1140-0483","authenticated-orcid":false,"given":"Saverio","family":"Vicario","sequence":"additional","affiliation":[{"name":"Interateneo Physics Department, National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), 70126 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9121-9558","authenticated-orcid":false,"given":"Valeria","family":"Tomaselli","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Bari, Via Orabona 4, 70125 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6456-4628","authenticated-orcid":false,"given":"Carl","family":"Beierkuhnlein","sequence":"additional","affiliation":[{"name":"Department of Biogeography, University of Bayreuth, 95440 Bayreuth, Germany"},{"name":"Bayreuth Center of Ecology and Environmental Research, BayCEER, University of Bayreuth, 95440 Bayreuth, Germany"},{"name":"Geographical Institute Bayreuth, University of Bayreuth, GIB, 95440 Bayreuth, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3030-4884","authenticated-orcid":false,"given":"Maria","family":"Adamo","sequence":"additional","affiliation":[{"name":"Interateneo Physics Department, National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), 70126 Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,1,14]]},"reference":[{"key":"ref_1","first-page":"25","article-title":"Grassland habitat mapping by intra-annual time-series analysis-Comparison of RapidEye and TerraSAR-X satellite data","volume":"34","author":"Schuster","year":"2015","journal-title":"Int. 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