{"id":"https://openalex.org/W1978186700","doi":"https://doi.org/10.1007/s10661-005-9146-9","title":"Isotopic Composition as a Tool for Assessment of Origin and Dynamic of Organic Matter in Tropical Freshwater","display_name":"Isotopic Composition as a Tool for Assessment of Origin and Dynamic of Organic Matter in Tropical Freshwater","publication_year":2006,"publication_date":"2006-05-31","ids":{"openalex":"https://openalex.org/W1978186700","doi":"https://doi.org/10.1007/s10661-005-9146-9","mag":"1978186700","pmid":"https://pubmed.ncbi.nlm.nih.gov/16738771"},"language":"en","primary_location":{"id":"doi:10.1007/s10661-005-9146-9","doi":"https://doi.org/10.1007/s10661-005-9146-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10661-005-9146-9","pdf_url":null,"source":{"id":"https://openalex.org/S11732831","display_name":"Environmental Monitoring and Assessment","issn_l":"0167-6369","issn":["0167-6369","1573-2959"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Monitoring and Assessment","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052298987","display_name":"Magda Elisa Turini da Cunha","orcid":"https://orcid.org/0000-0003-3459-6482","observed_orcids":["https://orcid.org/0000-0003-3459-6482"]},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M. E. T. Cunha","raw_affiliation_strings":["Depto de Qu\u00edmica, Universidade Estadual de Londrina, CP-6001, 86051-970. Londrina-Paran\u00e1, Brazil","Universidade Estadual de Londrina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Depto de Qu\u00edmica, Universidade Estadual de Londrina, CP-6001, 86051-970. Londrina-Paran\u00e1, Brazil","institution_ids":["https://openalex.org/I127110123"]},{"raw_affiliation_string":"Universidade Estadual de Londrina","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078998838","display_name":"Maria Josefa Santos Yabe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"M. J. S. Yabe","raw_affiliation_strings":["Depto de Qu\u00edmica, Universidade Estadual de Londrina, Londrina-Paran\u00e1, Brazil","Universidade Estadual de Londrina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Depto de Qu\u00edmica, Universidade Estadual de Londrina, Londrina-Paran\u00e1, Brazil","institution_ids":["https://openalex.org/I127110123"]},{"raw_affiliation_string":"Universidade Estadual de Londrina","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073290620","display_name":"Ilza Lobo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"I. Lobo","raw_affiliation_strings":["Depto de Qu\u00edmica, Universidade Estadual de Londrina, Londrina-Paran\u00e1, Brazil","Universidade Estadual de Londrina"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Depto de Qu\u00edmica, Universidade Estadual de Londrina, Londrina-Paran\u00e1, Brazil","institution_ids":["https://openalex.org/I127110123"]},{"raw_affiliation_string":"Universidade Estadual de Londrina","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034994294","display_name":"Ram\u00f3n Aravena","orcid":"https://orcid.org/0000-0003-2582-3639","observed_orcids":["https://orcid.org/0000-0003-2582-3639"]},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"R. Aravena","raw_affiliation_strings":["Department of Earth Sciences, University of Waterloo, Waterloo, Canada","(University of Waterloo)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Earth Sciences, University of Waterloo, Waterloo, Canada","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"(University of Waterloo)","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5078998838"],"corresponding_institution_ids":["https://openalex.org/I127110123"],"apc_list":{"value":2790,"currency":"USD","value_usd":2790},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.1261012,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"121","issue":"1-3","first_page":"461","last_page":"478"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12073","display_name":"Isotope Analysis in Ecology","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T12073","display_name":"Isotope Analysis in Ecology","score":0.9980000257492065,"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/T10398","display_name":"Groundwater and Isotope Geochemistry","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11311","display_name":"Soil and Water Nutrient Dynamics","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/organic-matter-sources","display_name":"organic matter sources","score":0.7250000238418579},{"id":"https://openalex.org/keywords/isotopic-composition","display_name":"isotopic composition","score":0.675000011920929},{"id":"https://openalex.org/keywords/carbon-13","display_name":"carbon-13","score":0.8820000290870667},{"id":"https://openalex.org/keywords/15n","display_name":"nitrogen-15","score":0.9990000128746033},{"id":"https://openalex.org/keywords/c-n-ratio","display_name":"C/N ratio","score":0.9909999966621399},{"id":"https://openalex.org/keywords/river-sediments","display_name":"river sediments","score":0.7559999823570251},{"id":"https://openalex.org/keywords/particulate-organic-matter","display_name":"particulate organic matter","score":0.9760000109672546},{"id":"https://openalex.org/keywords/autochthonous-organic-matter","display_name":"autochthonous organic matter","score":0.8420000076293945},{"id":"https://openalex.org/keywords/terrigenous-organic-matter","display_name":"terrestrial organic matter","score":0.460999995470047},{"id":"https://openalex.org/keywords/dissolved-organic-nitrogen","display_name":"dissolved organic nitrogen","score":0.8500000238418579},{"id":"https://openalex.org/keywords/phytoplankton-nitrogen-uptake","display_name":"phytoplankton nitrogen uptake","score":0.7310000061988831},{"id":"https://openalex.org/keywords/agricultural-impacts","display_name":"agricultural impacts","score":0.4819999933242798},{"id":"https://openalex.org/keywords/seasonal-variation","display_name":"seasonal variation","score":0.781000018119812},{"id":"https://openalex.org/keywords/tropical-freshwater","display_name":"tropical freshwater","score":0.6100000143051147},{"id":"https://openalex.org/keywords/parana","display_name":"Paran\u00e1","score":0.6060000061988831},{"id":"https://openalex.org/keywords/tibagi-river","display_name":"Tibagi River","score":0.7680000066757202}],"concepts":[{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.6615392565727234},{"id":"https://openalex.org/C9777977","wikidata":"https://www.wikidata.org/wiki/Q146575","display_name":"Dry season","level":2,"score":0.5647031664848328},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5599342584609985},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.5488789081573486},{"id":"https://openalex.org/C2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","level":2,"score":0.5370306968688965},{"id":"https://openalex.org/C2780401108","wikidata":"https://www.wikidata.org/wiki/Q8083977","display_name":"\u03b415N","level":4,"score":0.5168933868408203},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.5159995555877686},{"id":"https://openalex.org/C16828302","wikidata":"https://www.wikidata.org/wiki/Q159675","display_name":"Tributary","level":2,"score":0.5126582980155945},{"id":"https://openalex.org/C158787203","wikidata":"https://www.wikidata.org/wiki/Q900291","display_name":"Total organic carbon","level":2,"score":0.5066207051277161},{"id":"https://openalex.org/C99649442","wikidata":"https://www.wikidata.org/wiki/Q470479","display_name":"Isotopes of nitrogen","level":3,"score":0.5058193206787109},{"id":"https://openalex.org/C24245907","wikidata":"https://www.wikidata.org/wiki/Q498957","display_name":"Particulates","level":2,"score":0.5047773122787476},{"id":"https://openalex.org/C156398188","wikidata":"https://www.wikidata.org/wiki/Q3278929","display_name":"\u03b413C","level":3,"score":0.47354477643966675},{"id":"https://openalex.org/C52322663","wikidata":"https://www.wikidata.org/wiki/Q3117517","display_name":"Wet season","level":2,"score":0.45100393891334534},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.4435933530330658},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.417375385761261},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.30178385972976685},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.29899704456329346},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.2746354937553406},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2370719015598297},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1348075568675995},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.12745124101638794},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.07817190885543823},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"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/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000383","descriptor_name":"Agriculture","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001938","descriptor_name":"Brazil","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002247","descriptor_name":"Carbon Isotopes","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004784","descriptor_name":"Environmental Monitoring","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D009587","descriptor_name":"Nitrogen Isotopes","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D009930","descriptor_name":"Organic Chemicals","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D012621","descriptor_name":"Seasons","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012987","descriptor_name":"Soil","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D014329","descriptor_name":"Tropical Climate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019015","descriptor_name":"Geologic Sediments","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D045483","descriptor_name":"Rivers","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D052638","descriptor_name":"Particulate Matter","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1007/s10661-005-9146-9","doi":"https://doi.org/10.1007/s10661-005-9146-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10661-005-9146-9","pdf_url":null,"source":{"id":"https://openalex.org/S11732831","display_name":"Environmental Monitoring and Assessment","issn_l":"0167-6369","issn":["0167-6369","1573-2959"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Monitoring and Assessment","raw_type":"journal-article"},{"id":"pmid:16738771","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16738771","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,"listed_in":[],"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":"Environmental monitoring and assessment","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.7659000158309937}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1652059687","https://openalex.org/W1974504931","https://openalex.org/W1993350858","https://openalex.org/W2009076100","https://openalex.org/W2010710061","https://openalex.org/W2015175583","https://openalex.org/W2015824267","https://openalex.org/W2032163442","https://openalex.org/W2085860983","https://openalex.org/W2104798629","https://openalex.org/W2120311483","https://openalex.org/W2163254007","https://openalex.org/W2163692773","https://openalex.org/W2319212792","https://openalex.org/W2483906651","https://openalex.org/W4311834446"],"related_works":["https://openalex.org/W2765106928","https://openalex.org/W2262969946","https://openalex.org/W2002238879","https://openalex.org/W4309269789","https://openalex.org/W3198629300","https://openalex.org/W3187579011","https://openalex.org/W7100143097","https://openalex.org/W7220445116","https://openalex.org/W1984511840","https://openalex.org/W1970695812"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}