{"id":"https://openalex.org/W2895030008","doi":"https://doi.org/10.3390/s18103278","title":"Calibrating the Severity of Forest Defoliation by Pine Processionary Moth with Landsat and UAV Imagery","display_name":"Calibrating the Severity of Forest Defoliation by Pine Processionary Moth with Landsat and UAV Imagery","publication_year":2018,"publication_date":"2018-09-29","ids":{"openalex":"https://openalex.org/W2895030008","doi":"https://doi.org/10.3390/s18103278","mag":"2895030008","pmid":"https://pubmed.ncbi.nlm.nih.gov/30274284"},"language":"en","primary_location":{"id":"doi:10.3390/s18103278","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18103278","pdf_url":"https://www.mdpi.com/1424-8220/18/10/3278/pdf?version=1538210039","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/18/10/3278/pdf?version=1538210039","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068609589","display_name":"Kaori Otsu","orcid":"https://orcid.org/0000-0001-7835-0949"},"institutions":[{"id":"https://openalex.org/I4210129656","display_name":"Centre for Research on Ecology and Forestry Applications","ror":"https://ror.org/03abrgd14","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210129656","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Kaori Otsu","raw_affiliation_strings":["Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain"],"affiliations":[{"raw_affiliation_string":"Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain","institution_ids":["https://openalex.org/I4210129656"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062439019","display_name":"Magda Pla","orcid":"https://orcid.org/0000-0002-7060-6783"},"institutions":[{"id":"https://openalex.org/I4210117018","display_name":"Forest Science and Technology Centre of Catalonia","ror":"https://ror.org/02tt2zf29","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210117018","https://openalex.org/I4387153040"]},{"id":"https://openalex.org/I4210129656","display_name":"Centre for Research on Ecology and Forestry Applications","ror":"https://ror.org/03abrgd14","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210129656","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Magda Pla","raw_affiliation_strings":["InForest JRU (CTFC-CREAF), 25280 Solsona, Spain"],"affiliations":[{"raw_affiliation_string":"InForest JRU (CTFC-CREAF), 25280 Solsona, Spain","institution_ids":["https://openalex.org/I4210117018","https://openalex.org/I4210129656"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034923580","display_name":"Jordi Vayreda","orcid":"https://orcid.org/0000-0002-9538-7361"},"institutions":[{"id":"https://openalex.org/I4210129656","display_name":"Centre for Research on Ecology and Forestry Applications","ror":"https://ror.org/03abrgd14","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210129656","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jordi Vayreda","raw_affiliation_strings":["Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain"],"affiliations":[{"raw_affiliation_string":"Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain","institution_ids":["https://openalex.org/I4210129656"]}]},{"author_position":"last","author":{"id":null,"display_name":"Llu\u00eds Brotons","orcid":"https://orcid.org/0000-0002-4826-4457"},"institutions":[{"id":"https://openalex.org/I134820265","display_name":"Consejo Superior de Investigaciones Cient\u00edficas","ror":"https://ror.org/02gfc7t72","country_code":"ES","type":"government","lineage":["https://openalex.org/I134820265"]},{"id":"https://openalex.org/I4210117018","display_name":"Forest Science and Technology Centre of Catalonia","ror":"https://ror.org/02tt2zf29","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210117018","https://openalex.org/I4387153040"]},{"id":"https://openalex.org/I4210129656","display_name":"Centre for Research on Ecology and Forestry Applications","ror":"https://ror.org/03abrgd14","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210129656","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Llu\u00eds Brotons","raw_affiliation_strings":["Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain","InForest JRU (CTFC-CREAF), 25280 Solsona, Spain","Spanish National Research Council (CSIC), 08193 Cerdanyola del Vall\u00e8s, Spain"],"affiliations":[{"raw_affiliation_string":"Centre for Ecological Research and Forestry Applications (CREAF), 08193 Cerdanyola del Vall\u00e8s, Spain","institution_ids":["https://openalex.org/I4210129656"]},{"raw_affiliation_string":"InForest JRU (CTFC-CREAF), 25280 Solsona, Spain","institution_ids":["https://openalex.org/I4210117018","https://openalex.org/I4210129656"]},{"raw_affiliation_string":"Spanish National Research Council (CSIC), 08193 Cerdanyola del Vall\u00e8s, Spain","institution_ids":["https://openalex.org/I134820265"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5068609589"],"corresponding_institution_ids":["https://openalex.org/I134820265","https://openalex.org/I4210117018","https://openalex.org/I4210129656"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":6.2074,"has_fulltext":true,"cited_by_count":38,"citation_normalized_percentile":{"value":0.95691794,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"18","issue":"10","first_page":"3278","last_page":"3278"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14378","display_name":"Entomological Studies and Ecology","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T14378","display_name":"Entomological Studies and Ecology","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11691","display_name":"Forest Insect Ecology and Management","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10555","display_name":"Fire effects on ecosystems","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5738596320152283},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5681455731391907},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.5510618090629578},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5261801481246948},{"id":"https://openalex.org/keywords/mediterranean-climate","display_name":"Mediterranean climate","score":0.49902772903442383},{"id":"https://openalex.org/keywords/satellite-imagery","display_name":"Satellite imagery","score":0.495519757270813},{"id":"https://openalex.org/keywords/vegetation-index","display_name":"Vegetation Index","score":0.4474676251411438},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.4383578300476074},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.42536792159080505},{"id":"https://openalex.org/keywords/forestry","display_name":"Forestry","score":0.40385979413986206},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.3355645537376404},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.324527382850647},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.21223124861717224},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.16862887144088745},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1258714199066162}],"concepts":[{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5738596320152283},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5681455731391907},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.5510618090629578},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5261801481246948},{"id":"https://openalex.org/C4646841","wikidata":"https://www.wikidata.org/wiki/Q13996","display_name":"Mediterranean climate","level":2,"score":0.49902772903442383},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.495519757270813},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.4474676251411438},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.4383578300476074},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.42536792159080505},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.40385979413986206},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3355645537376404},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.324527382850647},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.21223124861717224},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.16862887144088745},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1258714199066162},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.3390/s18103278","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18103278","pdf_url":"https://www.mdpi.com/1424-8220/18/10/3278/pdf?version=1538210039","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:30274284","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30274284","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:dnet:raudl_______::5dc414c20d1f0f622288c731f4d24200","is_oa":true,"landing_page_url":"http://hdl.handle.net/10459.1/69115","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:ddd.uab.cat:201104","is_oa":true,"landing_page_url":"https://ddd.uab.cat/record/201104","pdf_url":"https://ddd.uab.cat/record/201104","source":{"id":"https://openalex.org/S4306400380","display_name":"Dip\u00f2sit Digital de Documents de la UAB (Universitat Aut\u00f2noma de Barcelona)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I123044942","host_organization_name":"Universitat Aut\u00f2noma de Barcelona","host_organization_lineage":["https://openalex.org/I123044942"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:dnet:uabarcelona_::3fc516609c9d33f79ee2d199fc791e01","is_oa":true,"landing_page_url":"http://ddd.uab.cat/record/201104","pdf_url":"http://ddd.uab.cat/record/201104","source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:2f5e13b3170d4a899d84bdf74e993c40","is_oa":true,"landing_page_url":"https://doaj.org/article/2f5e13b3170d4a899d84bdf74e993c40","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 18, Iss 10, p 3278 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/18/10/3278/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s18103278","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:6211096","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6211096","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s18103278","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18103278","pdf_url":"https://www.mdpi.com/1424-8220/18/10/3278/pdf?version=1538210039","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.7699999809265137}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321505","display_name":"Generalitat de Catalunya","ror":"https://ror.org/01bg62x04"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2895030008.pdf","grobid_xml":"https://content.openalex.org/works/W2895030008.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W650678478","https://openalex.org/W1550812296","https://openalex.org/W1821964282","https://openalex.org/W1974869333","https://openalex.org/W1980058571","https://openalex.org/W1983640898","https://openalex.org/W2018510764","https://openalex.org/W2021729752","https://openalex.org/W2036417688","https://openalex.org/W2039973522","https://openalex.org/W2047553445","https://openalex.org/W2049398443","https://openalex.org/W2070939483","https://openalex.org/W2081709730","https://openalex.org/W2083577712","https://openalex.org/W2109862393","https://openalex.org/W2114591161","https://openalex.org/W2115568725","https://openalex.org/W2123918398","https://openalex.org/W2124194493","https://openalex.org/W2124901914","https://openalex.org/W2129961711","https://openalex.org/W2144230836","https://openalex.org/W2145413250","https://openalex.org/W2148799690","https://openalex.org/W2154714869","https://openalex.org/W2161176557","https://openalex.org/W2165577558","https://openalex.org/W2178471458","https://openalex.org/W2233794868","https://openalex.org/W2257554162","https://openalex.org/W2387188207","https://openalex.org/W2504501863","https://openalex.org/W2556502614","https://openalex.org/W2736508163","https://openalex.org/W2765249994","https://openalex.org/W2772623405","https://openalex.org/W2776146695","https://openalex.org/W2782239312","https://openalex.org/W2794163602","https://openalex.org/W2951422983","https://openalex.org/W2989983865","https://openalex.org/W6636950212","https://openalex.org/W6668133781","https://openalex.org/W6729378258"],"related_works":["https://openalex.org/W4319317911","https://openalex.org/W3207384893","https://openalex.org/W3207046288","https://openalex.org/W4372264653","https://openalex.org/W4310842702","https://openalex.org/W4285330809","https://openalex.org/W2012686349","https://openalex.org/W2096239959","https://openalex.org/W2985493737","https://openalex.org/W4200109866"],"abstract_inverted_index":{"The":[0,65],"pine":[1],"processionary":[2],"moth":[3],"(<i>Thaumetopoea":[4],"pityocampa</i>":[5,41],"Dennis":[6],"and":[7,62,82,97],"Schiff.),":[8],"one":[9],"of":[10,27,39,112,131,141,157,189],"the":[11,24,28,31,49,54,78,110,117,139,154,190],"major":[12],"defoliating":[13],"insects":[14],"in":[15,42,67,143],"Mediterranean":[16],"forests,":[17],"has":[18],"become":[19],"an":[20,128,161],"increasing":[21],"threat":[22],"to":[23,47,164,185],"forest":[25,171,191],"health":[26],"region":[29],"over":[30,58],"past":[32],"two":[33],"decades.":[34],"After":[35],"a":[36,134],"recent":[37],"outbreak":[38],"<i>T.":[40],"Catalonia,":[43],"Spain,":[44],"we":[45],"attempted":[46],"estimate":[48],"damage":[50],"severity":[51,140],"by":[52,101],"capturing":[53],"maximum":[55],"defoliation":[56,99,142],"period":[57],"winter":[59],"between":[60,94],"pre-outbreak":[61],"post-outbreak":[63],"images.":[64],"difference":[66],"vegetation":[68],"index":[69],"(dVI)":[70],"derived":[71],"from":[72],"Landsat":[73],"8":[74],"was":[75,83],"used":[76],"as":[77,133,160],"change":[79],"detection":[80],"indicator":[81],"further":[84],"calibrated":[85],"with":[86,127,153,179],"Unmanned":[87],"Aerial":[88],"Vehicle":[89],"(UAV)":[90],"imagery.":[91],"Regression":[92],"models":[93],"predicted":[95],"dVIs":[96,108],"observed":[98],"degrees":[100],"UAV":[102,177],"were":[103],"compared":[104],"among":[105],"five":[106],"selected":[107],"for":[109,137,168,193],"coefficient":[111],"determination.":[113],"Our":[114],"results":[115],"found":[116],"highest":[118],"R-squared":[119],"value":[120],"(0.815)":[121],"using":[122,158],"Moisture":[123],"Stress":[124],"Index":[125],"(MSI),":[126],"overall":[129],"accuracy":[130],"72%,":[132],"promising":[135],"approach":[136],"estimating":[138],"affected":[144],"areas":[145],"where":[146],"ground-truth":[147,166],"data":[148,167,181],"is":[149],"limited.":[150],"We":[151],"concluded":[152],"high":[155],"potential":[156],"UAVs":[159],"alternative":[162],"method":[163],"obtain":[165],"cost-effectively":[169],"monitoring":[170],"health.":[172],"In":[173],"future":[174],"studies,":[175],"combining":[176],"images":[178],"satellite":[180],"may":[182],"be":[183],"considered":[184],"validate":[186],"model":[187],"predictions":[188],"condition":[192],"developing":[194],"ecosystem":[195],"service":[196],"tools.":[197]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":6}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}