{"id":"https://openalex.org/W4399533971","doi":"https://doi.org/10.3390/s24123784","title":"Mapping Soil Properties in the Haihun River Sub-Watershed, Yangtze River Basin, China, by Integrating Machine Learning and Variable Selection","display_name":"Mapping Soil Properties in the Haihun River Sub-Watershed, Yangtze River Basin, China, by Integrating Machine Learning and Variable Selection","publication_year":2024,"publication_date":"2024-06-11","ids":{"openalex":"https://openalex.org/W4399533971","doi":"https://doi.org/10.3390/s24123784"},"language":"en","primary_location":{"id":"doi:10.3390/s24123784","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24123784","pdf_url":"https://www.mdpi.com/1424-8220/24/12/3784/pdf?version=1718269586","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"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/24/12/3784/pdf?version=1718269586","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110302632","display_name":"Jun Huang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jun Huang","raw_affiliation_strings":["Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102222964","display_name":"Jia Liu","orcid":"https://orcid.org/0000-0002-7706-0154"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jia Liu","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067743067","display_name":"Yingcong Ye","orcid":"https://orcid.org/0000-0001-6158-4482"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingcong Ye","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":"https://orcid.org/0000-0001-6158-4482","affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102685971","display_name":"Yameng Jiang","orcid":"https://orcid.org/0009-0009-3502-3249"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yameng Jiang","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102685971","display_name":"Yameng Jiang","orcid":"https://orcid.org/0009-0009-3502-3249"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yameng Jiang","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]},{"raw_affiliation_string":"Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109492191","display_name":"Yuying Lai","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuying Lai","raw_affiliation_strings":["Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111226048","display_name":"Xianbing Qin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xianbing Qin","raw_affiliation_strings":["Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024795113","display_name":"Lin Zhang","orcid":"https://orcid.org/0000-0002-5945-5451"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Zhang","raw_affiliation_strings":["Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Basic Geological Survey Institute of Jiangxi Geological Survey and Exploration Institute (Jiangxi Nonferrous Geological Mineral Exploration and Development Institute), Nanchang 330045, China","institution_ids":[]},{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yefeng Jiang","orcid":"https://orcid.org/0000-0003-1804-3095"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yefeng Jiang","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":"https://orcid.org/0000-0003-1804-3095","affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]},{"author_position":"last","author":{"id":null,"display_name":"Yefeng Jiang","orcid":"https://orcid.org/0000-0003-1804-3095"},"institutions":[{"id":"https://openalex.org/I74837319","display_name":"Jiangxi Agricultural University","ror":"https://ror.org/00dc7s858","country_code":"CN","type":"education","lineage":["https://openalex.org/I74837319"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yefeng Jiang","raw_affiliation_strings":["College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China"],"raw_orcid":"https://orcid.org/0000-0003-1804-3095","affiliations":[{"raw_affiliation_string":"College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China","institution_ids":["https://openalex.org/I74837319"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5102685971"],"corresponding_institution_ids":["https://openalex.org/I74837319"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.9426,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.70850313,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"24","issue":"12","first_page":"3784","last_page":"3784"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.9855999946594238,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10889","display_name":"Soil erosion and sediment transport","score":0.9803000092506409,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/covariate","display_name":"Covariate","score":0.7072649002075195},{"id":"https://openalex.org/keywords/watershed","display_name":"Watershed","score":0.6578083038330078},{"id":"https://openalex.org/keywords/feature-selection","display_name":"Feature selection","score":0.6576303243637085},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.6534425020217896},{"id":"https://openalex.org/keywords/digital-soil-mapping","display_name":"Digital soil mapping","score":0.6033682227134705},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.588481068611145},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.579854428768158},{"id":"https://openalex.org/keywords/soil-carbon","display_name":"Soil carbon","score":0.5565405488014221},{"id":"https://openalex.org/keywords/hydrology","display_name":"Hydrology (agriculture)","score":0.364387184381485},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3415353298187256},{"id":"https://openalex.org/keywords/soil-water","display_name":"Soil water","score":0.33821266889572144},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.3140556812286377},{"id":"https://openalex.org/keywords/soil-map","display_name":"Soil map","score":0.31249478459358215},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.29355162382125854},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2730192542076111},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.2586762309074402},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.24822154641151428},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.18177199363708496},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09988796710968018}],"concepts":[{"id":"https://openalex.org/C119043178","wikidata":"https://www.wikidata.org/wiki/Q320723","display_name":"Covariate","level":2,"score":0.7072649002075195},{"id":"https://openalex.org/C150547873","wikidata":"https://www.wikidata.org/wiki/Q947851","display_name":"Watershed","level":2,"score":0.6578083038330078},{"id":"https://openalex.org/C148483581","wikidata":"https://www.wikidata.org/wiki/Q446488","display_name":"Feature selection","level":2,"score":0.6576303243637085},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.6534425020217896},{"id":"https://openalex.org/C104471815","wikidata":"https://www.wikidata.org/wiki/Q5276164","display_name":"Digital soil mapping","level":4,"score":0.6033682227134705},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.588481068611145},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.579854428768158},{"id":"https://openalex.org/C39464130","wikidata":"https://www.wikidata.org/wiki/Q7554898","display_name":"Soil carbon","level":3,"score":0.5565405488014221},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.364387184381485},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3415353298187256},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.33821266889572144},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.3140556812286377},{"id":"https://openalex.org/C71864017","wikidata":"https://www.wikidata.org/wiki/Q889561","display_name":"Soil map","level":3,"score":0.31249478459358215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29355162382125854},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2730192542076111},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.2586762309074402},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.24822154641151428},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.18177199363708496},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09988796710968018},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/s24123784","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24123784","pdf_url":"https://www.mdpi.com/1424-8220/24/12/3784/pdf?version=1718269586","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":"pmh:oai:doaj.org/article:da81350984c94e90b59f41d91bd864b6","is_oa":true,"landing_page_url":"https://doaj.org/article/da81350984c94e90b59f41d91bd864b6","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"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 24, Iss 12, p 3784 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s24123784","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24123784","pdf_url":"https://www.mdpi.com/1424-8220/24/12/3784/pdf?version=1718269586","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":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4399533971.pdf"},"referenced_works_count":63,"referenced_works":["https://openalex.org/W1523078206","https://openalex.org/W2050179592","https://openalex.org/W2054325787","https://openalex.org/W2067024278","https://openalex.org/W2073857590","https://openalex.org/W2085281262","https://openalex.org/W2089097786","https://openalex.org/W2092892694","https://openalex.org/W2123162799","https://openalex.org/W2129961764","https://openalex.org/W2148987972","https://openalex.org/W2152228646","https://openalex.org/W2194582938","https://openalex.org/W2244501064","https://openalex.org/W2295598076","https://openalex.org/W2314720829","https://openalex.org/W2412312882","https://openalex.org/W2417304009","https://openalex.org/W2613126452","https://openalex.org/W2792813877","https://openalex.org/W2801533835","https://openalex.org/W2810678126","https://openalex.org/W2883893555","https://openalex.org/W2891385203","https://openalex.org/W2896775444","https://openalex.org/W2900600890","https://openalex.org/W2909736607","https://openalex.org/W2911323052","https://openalex.org/W2911964244","https://openalex.org/W2912358801","https://openalex.org/W2921939037","https://openalex.org/W2959824742","https://openalex.org/W3012451118","https://openalex.org/W3017261357","https://openalex.org/W3045887218","https://openalex.org/W3048449193","https://openalex.org/W3086056576","https://openalex.org/W3106550330","https://openalex.org/W3136179920","https://openalex.org/W3150391042","https://openalex.org/W3166420679","https://openalex.org/W3167522911","https://openalex.org/W3177813015","https://openalex.org/W3198258742","https://openalex.org/W3203658549","https://openalex.org/W3210843423","https://openalex.org/W3210959175","https://openalex.org/W3213176534","https://openalex.org/W3215367274","https://openalex.org/W4205976561","https://openalex.org/W4229067949","https://openalex.org/W4289277568","https://openalex.org/W4292477447","https://openalex.org/W4293061981","https://openalex.org/W4307656628","https://openalex.org/W4313271871","https://openalex.org/W4313459924","https://openalex.org/W4321770472","https://openalex.org/W4385988160","https://openalex.org/W4387819408","https://openalex.org/W4391328396","https://openalex.org/W4391933875","https://openalex.org/W6698971750"],"related_works":["https://openalex.org/W2549937139","https://openalex.org/W1975337890","https://openalex.org/W2083739595","https://openalex.org/W2095317746","https://openalex.org/W2953150186","https://openalex.org/W3134906919","https://openalex.org/W2105851409","https://openalex.org/W2135542747","https://openalex.org/W4239629919","https://openalex.org/W4295969959"],"abstract_inverted_index":{"Mapping":[0],"soil":[1,23,77,154,201,230,255,258,273],"properties":[2,78,202,274],"in":[3,41,79,100,135,249,280],"sub-watersheds":[4],"is":[5],"critical":[6],"for":[7,55,75,152,161,170,270],"agricultural":[8],"productivity,":[9],"land":[10,237],"management,":[11],"and":[12,125,144,150,159,165,168,184,239,257,275],"ecological":[13],"security.":[14],"Machine":[15],"learning":[16,43,73],"has":[17],"been":[18],"widely":[19],"applied":[20],"to":[21,26,46,118],"digital":[22],"mapping":[24,276],"due":[25],"a":[27,94,112,246],"rapidly":[28],"increasing":[29],"number":[30],"of":[31,37,49,63,70,96,141,188,196,228,253,267],"environmental":[32,39,109],"covariates.":[33],"However,":[34],"the":[35,47,61,67,80,121,142,153,162,171,185,189,197,209,222,226,229,251,254,265],"inclusion":[36],"many":[38],"covariates":[40,104,110,216,235,241],"machine":[42,72],"models":[44,74,130,146,176,210],"leads":[45],"problem":[48],"multicollinearity,":[50],"with":[51,131,177,211],"poorly":[52],"understood":[53],"consequences":[54],"prediction":[56,68,136],"performance.":[57],"Here,":[58],"we":[59],"explored":[60],"effects":[62],"variable":[64,132,178,212,268],"selection":[65,133,179,269],"on":[66,208],"performance":[69],"two":[71],"multiple":[76,272],"Haihun":[81],"River":[82],"sub-watershed,":[83],"Jiangxi":[84],"Province,":[85],"China.":[86],"Surface":[87],"soils":[88],"(0\u201320":[89],"cm)":[90],"were":[91,105,221],"collected":[92],"from":[93,107],"total":[95,163,256],"180":[97],"sample":[98],"points":[99],"2022.":[101],"The":[102,138,175,200],"optimal":[103],"selected":[106],"40":[108],"using":[111],"recursive":[113],"feature":[114],"elimination":[115],"algorithm.":[116],"Compared":[117],"all-variable":[119],"models,":[120],"random":[122],"forest":[123],"(RF)":[124],"extreme":[126],"gradient":[127],"boosting":[128],"(XGBoost)":[129],"improved":[134],"accuracy.":[137],"R2":[139],"values":[140],"RF":[143,190],"XGBoost":[145,198],"increased":[147],"by":[148,157,166],"0.34":[149],"0.47":[151],"organic":[155,231],"carbon,":[156],"0.67":[158],"0.62":[160,169],"phosphorus,":[164,173,260],"0.43":[167],"available":[172,259],"respectively.":[174,261],"presented":[180],"reduced":[181],"global":[182],"uncertainty,":[183],"overall":[186],"uncertainty":[187],"model":[191],"was":[192],"lower":[193],"than":[194],"that":[195],"model.":[199],"showed":[203],"high":[204],"spatial":[205,278],"heterogeneity":[206],"based":[207],"selection.":[213],"Remote":[214],"sensing":[215],"(particularly":[217],"principal":[218],"component":[219],"2)":[220],"major":[223],"factors":[224],"controlling":[225],"distribution":[227,252,279],"carbon.":[232],"Human":[233],"activity":[234],"(mainly":[236,242],"use)":[238],"organism":[240],"potential":[243],"evapotranspiration)":[244],"played":[245],"predominant":[247],"role":[248],"driving":[250],"This":[262],"study":[263],"indicates":[264],"importance":[266],"predicting":[271],"their":[277],"sub-watersheds.":[281]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3}],"updated_date":"2026-05-18T06:02:51.519808","created_date":"2025-10-10T00:00:00"}
