{"id":"https://openalex.org/W1978520632","doi":"https://doi.org/10.1080/1025601031000096736","title":"Nutrient cycling responses to fire frequency in the Kruger National Park (South Africa) as indicated by Stable Isotope analysis","display_name":"Nutrient cycling responses to fire frequency in the Kruger National Park (South Africa) as indicated by Stable Isotope analysis","publication_year":2003,"publication_date":"2003-06-01","ids":{"openalex":"https://openalex.org/W1978520632","doi":"https://doi.org/10.1080/1025601031000096736","mag":"1978520632","pmid":"https://pubmed.ncbi.nlm.nih.gov/12872806"},"language":"en","primary_location":{"id":"doi:10.1080/1025601031000096736","doi":"https://doi.org/10.1080/1025601031000096736","is_oa":false,"landing_page_url":"https://doi.org/10.1080/1025601031000096736","pdf_url":null,"source":{"id":"https://openalex.org/S77847288","display_name":"Isotopes in Environmental and Health Studies","issn_l":"1025-6016","issn":["1025-6016","1477-2639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","medline","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Isotopes in Environmental and Health Studies","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/A5062849947","display_name":"Julieta N. Aranibar","orcid":"https://orcid.org/0000-0003-4379-6566","observed_orcids":["https://orcid.org/0000-0003-4379-6566"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. N. Aranibar","raw_affiliation_strings":["a   Department of Environmental Sciences , University of Virginia ,  USA","Department of Environmental Sciences , University of Virginia , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"a   Department of Environmental Sciences , University of Virginia ,  USA","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"Department of Environmental Sciences , University of Virginia , USA","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000548371","display_name":"Stephen A. Macko","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. A. Macko","raw_affiliation_strings":["a   Department of Environmental Sciences , University of Virginia ,  USA","Department of Environmental Sciences , University of Virginia , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"a   Department of Environmental Sciences , University of Virginia ,  USA","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"Department of Environmental Sciences , University of Virginia , USA","institution_ids":["https://openalex.org/I51556381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090464747","display_name":"Iris Cofman Anderson","orcid":"https://orcid.org/0000-0001-5879-6038","observed_orcids":["https://orcid.org/0000-0001-5879-6038"]},"institutions":[{"id":"https://openalex.org/I16285277","display_name":"William & Mary","ror":"https://ror.org/03hsf0573","country_code":"US","type":"education","lineage":["https://openalex.org/I16285277"]},{"id":"https://openalex.org/I57851904","display_name":"Virginia Institute of Marine Science","ror":"https://ror.org/04eeqc889","country_code":"US","type":"education","lineage":["https://openalex.org/I57851904"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"I. C. Anderson","raw_affiliation_strings":["b   Virginia Institute of Marine Sciences , College of William and Mary ,  USA","Virginia Institute of Marine Sciences , College of William and Mary , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"b   Virginia Institute of Marine Sciences , College of William and Mary ,  USA","institution_ids":["https://openalex.org/I16285277","https://openalex.org/I57851904"]},{"raw_affiliation_string":"Virginia Institute of Marine Sciences , College of William and Mary , USA","institution_ids":["https://openalex.org/I16285277","https://openalex.org/I57851904"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037366293","display_name":"A.L.F. Potgieter","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1336432201","display_name":"South African National Parks","ror":"https://ror.org/037adk771","country_code":"ZA","type":"government","lineage":["https://openalex.org/I1336432201","https://openalex.org/I2800683076"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"A. L. F. Potgieter","raw_affiliation_strings":["c  Kruger National Park ,  Skukuza ,  South Africa","Kruger National Park , Skukuza , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"c  Kruger National Park ,  Skukuza ,  South Africa","institution_ids":["https://openalex.org/I1336432201"]},{"raw_affiliation_string":"Kruger National Park , Skukuza , South Africa","institution_ids":["https://openalex.org/I1336432201"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069220218","display_name":"Richard Sowry","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1336432201","display_name":"South African National Parks","ror":"https://ror.org/037adk771","country_code":"ZA","type":"government","lineage":["https://openalex.org/I1336432201","https://openalex.org/I2800683076"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"R. Sowry","raw_affiliation_strings":["c  Kruger National Park ,  Skukuza ,  South Africa","Kruger National Park , Skukuza , South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"c  Kruger National Park ,  Skukuza ,  South Africa","institution_ids":["https://openalex.org/I1336432201"]},{"raw_affiliation_string":"Kruger National Park , Skukuza , South Africa","institution_ids":["https://openalex.org/I1336432201"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002332484","display_name":"Herman Henry Shugart","orcid":"https://orcid.org/0000-0002-1766-8379","observed_orcids":["https://orcid.org/0000-0002-1766-8379"]},"institutions":[{"id":"https://openalex.org/I51556381","display_name":"University of Virginia","ror":"https://ror.org/0153tk833","country_code":"US","type":"education","lineage":["https://openalex.org/I51556381"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. H. Shugart","raw_affiliation_strings":["a   Department of Environmental Sciences , University of Virginia ,  USA","Department of Environmental Sciences , University of Virginia , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"a   Department of Environmental Sciences , University of Virginia ,  USA","institution_ids":["https://openalex.org/I51556381"]},{"raw_affiliation_string":"Department of Environmental Sciences , University of Virginia , USA","institution_ids":["https://openalex.org/I51556381"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3082,"has_fulltext":false,"cited_by_count":68,"citation_normalized_percentile":{"value":0.79732019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"39","issue":"2","first_page":"141","last_page":"158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10555","display_name":"Fire effects on ecosystems","score":0.9247999787330627,"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"}},"topics":[{"id":"https://openalex.org/T10555","display_name":"Fire effects on ecosystems","score":0.9247999787330627,"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"}},{"id":"https://openalex.org/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","score":0.07199999690055847,"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"}},{"id":"https://openalex.org/T10451","display_name":"Mycorrhizal Fungi and Plant Interactions","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/fire-frequency","display_name":"fire frequency","score":0.9879999756813049},{"id":"https://openalex.org/keywords/nitrogen-cycle","display_name":"nitrogen cycling","score":0.8880000114440918},{"id":"https://openalex.org/keywords/nitrogen-15-isotopes","display_name":"nitrogen-15 stable isotopes","score":0.8320000171661377},{"id":"https://openalex.org/keywords/nitrogen-fixation","display_name":"nitrogen fixation","score":0.8410000205039978},{"id":"https://openalex.org/keywords/woody-legumes","display_name":"woody legumes","score":0.996999979019165},{"id":"https://openalex.org/keywords/savanna-ecosystems","display_name":"savanna ecosystems","score":0.7250000238418579},{"id":"https://openalex.org/keywords/kruger-national-park","display_name":"Kruger National Park","score":0.8659999966621399},{"id":"https://openalex.org/keywords/soil-nitrogen","display_name":"soil nitrogen","score":0.5879999995231628},{"id":"https://openalex.org/keywords/soil-carbon","display_name":"soil carbon","score":0.6520000100135803},{"id":"https://openalex.org/keywords/nitrogen-mineralization","display_name":"nitrogen mineralization","score":0.8149999976158142},{"id":"https://openalex.org/keywords/nitrification","display_name":"nitrification","score":0.9879999756813049},{"id":"https://openalex.org/keywords/phosphorus","display_name":"phosphorus","score":0.734000027179718},{"id":"https://openalex.org/keywords/nitrogen-loss","display_name":"nitrogen loss","score":0.40799999237060547}],"concepts":[{"id":"https://openalex.org/C2780993040","wikidata":"https://www.wikidata.org/wiki/Q46169","display_name":"National park","level":2,"score":0.6434925198554993},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.6365751028060913},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6346392631530762},{"id":"https://openalex.org/C164638232","wikidata":"https://www.wikidata.org/wiki/Q7070482","display_name":"Nutrient cycle","level":3,"score":0.6071446537971497},{"id":"https://openalex.org/C541528975","wikidata":"https://www.wikidata.org/wiki/Q53121","display_name":"Cycling","level":2,"score":0.5882542729377747},{"id":"https://openalex.org/C111696902","wikidata":"https://www.wikidata.org/wiki/Q6864413","display_name":"Mineralization (soil science)","level":3,"score":0.5846123099327087},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.5626874566078186},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.519099235534668},{"id":"https://openalex.org/C49045045","wikidata":"https://www.wikidata.org/wiki/Q82551","display_name":"Nitrogen cycle","level":3,"score":0.5117740035057068},{"id":"https://openalex.org/C2780401108","wikidata":"https://www.wikidata.org/wiki/Q8083977","display_name":"\u03b415N","level":4,"score":0.4952150881290436},{"id":"https://openalex.org/C164752452","wikidata":"https://www.wikidata.org/wiki/Q668677","display_name":"Nitrification","level":3,"score":0.45751139521598816},{"id":"https://openalex.org/C91354502","wikidata":"https://www.wikidata.org/wiki/Q830384","display_name":"Basal area","level":2,"score":0.4469244182109833},{"id":"https://openalex.org/C71915725","wikidata":"https://www.wikidata.org/wiki/Q846303","display_name":"Biogeochemical cycle","level":2,"score":0.4451594650745392},{"id":"https://openalex.org/C89736061","wikidata":"https://www.wikidata.org/wiki/Q5451644","display_name":"Fire regime","level":3,"score":0.42699021100997925},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.4158564805984497},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.40724706649780273},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.3496910333633423},{"id":"https://openalex.org/C156398188","wikidata":"https://www.wikidata.org/wiki/Q3278929","display_name":"\u03b413C","level":3,"score":0.30523037910461426},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.28013840317726135},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.21805572509765625},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.21117109060287476},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.19610130786895752},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.18777838349342346},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1581186056137085},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D004784","descriptor_name":"Environmental Monitoring","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005390","descriptor_name":"Fires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D007887","descriptor_name":"Fabaceae","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D009584","descriptor_name":"Nitrogen","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D009584","descriptor_name":"Nitrogen","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D009587","descriptor_name":"Nitrogen Isotopes","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D010758","descriptor_name":"Phosphorus","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D010758","descriptor_name":"Phosphorus","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D012987","descriptor_name":"Soil","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013019","descriptor_name":"South Africa","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017753","descriptor_name":"Ecosystem","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1080/1025601031000096736","doi":"https://doi.org/10.1080/1025601031000096736","is_oa":false,"landing_page_url":"https://doi.org/10.1080/1025601031000096736","pdf_url":null,"source":{"id":"https://openalex.org/S77847288","display_name":"Isotopes in Environmental and Health Studies","issn_l":"1025-6016","issn":["1025-6016","1477-2639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","medline","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Isotopes in Environmental and Health Studies","raw_type":"journal-article"},{"id":"pmid:12872806","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12872806","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":"Isotopes in environmental and health studies","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life on land","score":1.0},{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.9786999821662903}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310536","display_name":"University of Virginia","ror":"https://ror.org/0153tk833"},{"id":"https://openalex.org/F4320332564","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1544206333","https://openalex.org/W1595196063","https://openalex.org/W1977945389","https://openalex.org/W1983921008","https://openalex.org/W1987562666","https://openalex.org/W1998112697","https://openalex.org/W2000137148","https://openalex.org/W2009375795","https://openalex.org/W2014772031","https://openalex.org/W2015421873","https://openalex.org/W2019922435","https://openalex.org/W2031568237","https://openalex.org/W2033073483","https://openalex.org/W2036626028","https://openalex.org/W2045217656","https://openalex.org/W2058464466","https://openalex.org/W2059108064","https://openalex.org/W2068312108","https://openalex.org/W2075945061","https://openalex.org/W2078694691","https://openalex.org/W2080523684","https://openalex.org/W2091886614","https://openalex.org/W2092402522","https://openalex.org/W2095230341","https://openalex.org/W2097477283","https://openalex.org/W2097762260","https://openalex.org/W2099648436","https://openalex.org/W2134135142","https://openalex.org/W2141742848","https://openalex.org/W2313496345","https://openalex.org/W2477872492","https://openalex.org/W4246444229"],"related_works":["https://openalex.org/W3013745038","https://openalex.org/W2014492425","https://openalex.org/W606814034","https://openalex.org/W1493178674","https://openalex.org/W1970250432","https://openalex.org/W3010423606","https://openalex.org/W3005797677","https://openalex.org/W2937258634","https://openalex.org/W2045547516","https://openalex.org/W2916404489"],"abstract_inverted_index":{"Fires,":[0],"which":[1,220],"are":[2,159,274],"an":[3],"intrinsic":[4],"feature":[5],"of":[6,15,23,27,54,67,106,122,136,170,179,246,252,269,287],"southern":[7],"African":[8],"ecosystems,":[9],"produce":[10],"biogenic":[11],"and":[12,20,63,87,93,97,111,126,167,227,233,258,295],"pyrogenic":[13],"losses":[14,43,138,158],"nitrogen":[16],"(N)":[17],"from":[18],"plants":[19],"soils.":[21],"Because":[22],"the":[24,41,50,76,104,112,180,193,215,250,267,284],"long":[25],"history":[26],"fires":[28,107,270],"in":[29,75,129,152,161,177,262],"these":[30,208],"savannas,":[31],"it":[32],"was":[33,57],"hypothesized":[34],"that":[35,156,186,195,207,266,300],"N2":[36,51,68,168,189,228,296],"fixation":[37,52,169,190,229,297],"by":[38,45,59,118,140,218,224,230],"legumes":[39,56,172,304],"balances":[40,196],"N":[42,88,95,114,137,157,197,216,289],"caused":[44,139],"fires.":[46,119],"In":[47,82],"this":[48,263],"study,":[49],"activity":[53],"woody":[55,171,187,303],"estimated":[58],"analyzing":[60],"foliar":[61,90],"delta15N":[62,257,273,278],"proportional":[64],"basal":[65],"area":[66],"fixing":[69],"species":[70],"along":[71,203,279],"experimental":[72],"fire":[73,149,175,182,204,247,259,280],"gradients":[74,183,205,281],"Kruger":[77],"National":[78],"Park":[79],"(South":[80],"Africa).":[81],"addition,":[83],"soil":[84,124,142,234,256,277],"carbon":[85],"(C)":[86],"pools,":[89],"phosphorus":[91],"(P)":[92],"gross":[94],"mineralization":[96,127],"nitrification":[98],"rates":[99,128],"were":[100],"measured,":[101],"to":[102,213,243],"indicate":[103],"effects":[105,268,286],"on":[108,271,308],"nutrient":[109],"stocks":[110],"possible":[113],"cycling":[115],"processes":[116],"modified":[117],"Although":[120],"observations":[121],"increased":[123,288],"C/N":[125],"frequently":[130],"burned":[131,162],"plots":[132],"support":[133],"previous":[134],"reports":[135],"fires,":[141,219],"%N":[143,202],"did":[144],"not":[145,192],"decrease":[146],"with":[147,174,302],"increasing":[148],"frequency":[150,176,260],"(except":[151],"1":[153],"plot),":[154],"suggesting":[155,185],"replenished":[160],"areas.":[163],"However,":[164,249],"relative":[165],"abundance":[166],"decreased":[173],"two":[178],"three":[181],"analyzed,":[184],"legume":[188],"is":[191],"mechanism":[194],"losses.":[198],"The":[199],"relatively":[200],"constant":[201],"suggests":[206],"ecosystems":[209],"have":[210,239],"other":[211,298],"mechanisms":[212],"balance":[214],"lost":[217],"could":[221],"include":[222],"inputs":[223],"atmospheric":[225],"deposition":[226],"forbs,":[231],"grasses":[232],"cyanobacteria.":[235],"Soil":[236],"isotopic":[237,309],"signatures":[238],"been":[240],"previously":[241],"used":[242],"infer":[244],"patterns":[245],"history.":[248],"lack":[251],"a":[253],"relationship":[254],"between":[255],"found":[261],"study":[264],"indicates":[265],"ecosystem":[272],"unpredictable.":[275],"Similar":[276],"may":[282],"reflect":[283],"contrasting":[285],"gaseous":[290],"emissions":[291],"(which":[292,305],"increases":[293],"delta15N)":[294,307],"than":[299],"associated":[301],"lowers":[306],"signatures.":[310]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}