{"id":"https://openalex.org/W7150946986","doi":"https://doi.org/10.5194/egusphere-2026-6811","title":"Benthic cyanobacterial mats enhance nitrogen turnover in a eutrophic reservoir","display_name":"Benthic cyanobacterial mats enhance nitrogen turnover in a eutrophic reservoir","publication_year":2026,"publication_date":"2026-11-11","ids":{"openalex":"https://openalex.org/W7150946986","doi":"https://doi.org/10.5194/egusphere-2026-6811"},"language":"en","primary_location":{"id":"doi:10.5194/egusphere-2026-6811","doi":"https://doi.org/10.5194/egusphere-2026-6811","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6811","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5194/egusphere-2026-6811","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040346567","display_name":"Archana Venkatachari","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Archana Venkatachari","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085813678","display_name":"Annie Bourbonnais","orcid":"https://orcid.org/0000-0001-7247-5230","observed_orcids":["https://orcid.org/0000-0001-7247-5230"]},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Annie Bourbonnais","raw_affiliation_strings":["University of South Carolina (Columbia, United States of America)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Carolina (Columbia, United States of America)","institution_ids":["https://openalex.org/I155781252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060103502","display_name":"Kathryn L. Cottingham","orcid":"https://orcid.org/0000-0003-3169-5047","observed_orcids":["https://orcid.org/0000-0003-3169-5047"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kathryn L. Cottingham","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3169-5047","affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","score":0.9843999743461609,"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"}},"topics":[{"id":"https://openalex.org/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","score":0.9843999743461609,"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"}},{"id":"https://openalex.org/T11311","display_name":"Soil and Water Nutrient Dynamics","score":0.008200000040233135,"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"}},{"id":"https://openalex.org/T11791","display_name":"Microbial Community Ecology and Physiology","score":0.0017999999690800905,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/benthic-cyanobacterial-mats","display_name":"benthic cyanobacterial mats","score":0.9509999752044678},{"id":"https://openalex.org/keywords/nitrogen-turnover","display_name":"nitrogen turnover","score":0.9200000166893005},{"id":"https://openalex.org/keywords/eutrophic-reservoirs","display_name":"eutrophic reservoirs","score":0.9319999814033508},{"id":"https://openalex.org/keywords/cyanobacteria","display_name":"cyanobacteria","score":0.8199999928474426},{"id":"https://openalex.org/keywords/nitrogen-cycle","display_name":"nitrogen cycling","score":0.8309999704360962},{"id":"https://openalex.org/keywords/reservoir-ecology","display_name":"reservoir ecology","score":0.3490000069141388}],"concepts":[{"id":"https://openalex.org/C186699998","wikidata":"https://www.wikidata.org/wiki/Q156698","display_name":"Eutrophication","level":3,"score":0.708899974822998},{"id":"https://openalex.org/C83042747","wikidata":"https://www.wikidata.org/wiki/Q686881","display_name":"Benthic zone","level":2,"score":0.6904000043869019},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6198999881744385},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5331000089645386},{"id":"https://openalex.org/C2779669040","wikidata":"https://www.wikidata.org/wiki/Q93315","display_name":"Cyanobacteria","level":3,"score":0.5264000296592712},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.41429999470710754},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.358599990606308},{"id":"https://openalex.org/C2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","level":2,"score":0.3474000096321106},{"id":"https://openalex.org/C90195498","wikidata":"https://www.wikidata.org/wiki/Q183129","display_name":"Water pollution","level":2,"score":0.33629998564720154},{"id":"https://openalex.org/C32350722","wikidata":"https://www.wikidata.org/wiki/Q182238","display_name":"Benthos","level":3,"score":0.29820001125335693},{"id":"https://openalex.org/C13474642","wikidata":"https://www.wikidata.org/wiki/Q43806","display_name":"Invertebrate","level":2,"score":0.296099990606308},{"id":"https://openalex.org/C2780797713","wikidata":"https://www.wikidata.org/wiki/Q625376","display_name":"Water quality","level":2,"score":0.29330000281333923},{"id":"https://openalex.org/C3018854541","wikidata":"https://www.wikidata.org/wiki/Q93315","display_name":"Blue green algae","level":4,"score":0.2858999967575073},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.28200000524520874},{"id":"https://openalex.org/C122846477","wikidata":"https://www.wikidata.org/wiki/Q1395805","display_name":"Water column","level":2,"score":0.27399998903274536},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.272599995136261},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2599000036716461},{"id":"https://openalex.org/C49045045","wikidata":"https://www.wikidata.org/wiki/Q82551","display_name":"Nitrogen cycle","level":3,"score":0.2549000084400177},{"id":"https://openalex.org/C175327387","wikidata":"https://www.wikidata.org/wiki/Q3289906","display_name":"Aquatic ecosystem","level":2,"score":0.25380000472068787}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.5194/egusphere-2026-6811","doi":"https://doi.org/10.5194/egusphere-2026-6811","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6811","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"},{"id":"pmh:doi:10.17605/osf.io/d98xz","doi":null,"is_oa":false,"landing_page_url":"https://osf.io/d98xz","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:share.osf.io:6f4bb748-1713-410e-a786-502def3655d2","doi":null,"is_oa":false,"landing_page_url":"https://osf.io/d98xz","pdf_url":null,"source":{"id":"https://openalex.org/S4306401127","display_name":"OSF Preprints (OSF Preprints)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799848540","host_organization_name":"Center for Open Science","host_organization_lineage":["https://openalex.org/I2799848540"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Project"},{"id":"doi:10.17605/osf.io/d98xz","doi":"https://doi.org/10.17605/osf.io/d98xz","is_oa":true,"landing_page_url":"https://doi.org/10.17605/osf.io/d98xz","pdf_url":null,"source":{"id":"https://openalex.org/S7407050956","display_name":"Open Science Framework","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799848540","host_organization_name":"Center for Open Science","host_organization_lineage":["https://openalex.org/I2799848540"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.5194/egusphere-2026-6811","doi":"https://doi.org/10.5194/egusphere-2026-6811","is_oa":true,"landing_page_url":"https://doi.org/10.5194/egusphere-2026-6811","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EGUsphere","raw_type":"posted-content"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"},{"score":0.7778000235557556,"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2622466564","https://openalex.org/W7096322575","https://openalex.org/W7009815050","https://openalex.org/W3159446010","https://openalex.org/W2109500960","https://openalex.org/W7097110557","https://openalex.org/W4245436785","https://openalex.org/W1983512564","https://openalex.org/W244681228","https://openalex.org/W4234407199"],"abstract_inverted_index":{"Abstract.":[0],"Benthic":[1],"cyanobacterial":[2],"mats":[3,52,103,123,272],"are":[4,22,273],"widespread":[5],"in":[6,39,56,76,104,112,124,179,208,214,221,234,266],"eutrophic":[7,307],"lakes,":[8],"but":[9,152,193],"their":[10],"effects":[11],"on":[12,132,199],"sediment":[13],"phosphorus":[14],"(P),":[15],"iron":[16],"(Fe),":[17],"and":[18,36,50,58,69,73,80,82,86,90,96,106,108,115,149,211,294,298],"nitrogen":[19],"(N)":[20],"cycling":[21],"poorly":[23],"quantified.":[24],"We":[25,45],"studied":[26],"Microseira":[27],"wollei,":[28],"a":[29],"mat-forming":[30],"cyanobacterium":[31],"capable":[32],"of":[33,204,276,306],"N2":[34,219,247,292],"fixation":[35,248],"toxin":[37],"production,":[38],"Lake":[40],"Wateree,":[41],"South":[42],"Carolina":[43],"(USA).":[44],"sampled":[46],"paired":[47,135],"sites":[48,136],"with":[49,148,154,282],"without":[51,150,268],"at":[53],"two":[54],"locations":[55],"March":[57],"monthly":[59],"from":[60,172,227,261,264,300],"June":[61,105],"through":[62],"October":[63],"2023":[64],"(three":[65],"dates":[66],"per":[67],"location),":[68],"measured":[70,168],"P,":[71,296],"Fe,":[72,297],"N":[74,83,145,190,242,277],"concentrations":[75],"mat":[77,155,209,223,284],"interstitial":[78],"water":[79,229],"porewater,":[81],"transformation":[84],"rates":[85,128],"fluxes":[87],"using":[88],"15N-labelled":[89],"unlabelled":[91],"whole-core":[92],"incubations.":[93],"Porewater":[94],"P":[95],"nitrate":[97,162],"(NO3\u2212)":[98],"were":[99,175],"higher":[100,111,178],"beneath":[101,122,252],"benthic":[102],"July":[107],"Fe":[109],"was":[110,120,225,257],"June,":[113],"September,":[114],"October,":[116],"whereas":[117],"ammonium":[118,165],"(NH4+)":[119],"lower":[121],"June.":[125],"Potential":[126,160],"denitrification":[127,251,281],"did":[129],"not":[130,258],"differ":[131],"average":[133,200],"between":[134],"(24.2":[137],"\u00b1":[138,142,183,187,239],"13.9":[139],"vs.":[140,185],"19.3":[141],"12.2":[143],"\u00b5mol":[144,189,241],"m\u22122":[146,191,243],"h\u22121":[147],"mats),":[151],"increased":[153],"thickness":[156],"(r2":[157],"=":[158],"0.62).":[159],"dissimilatory":[161],"reduction":[163,207],"to":[164,231],"(DNRA)":[166],"rates,":[167],"as":[169],"15NH4+":[170],"production":[171],"added":[173],"15NO3\u2212,":[174],"2.3":[176],"times":[177],"mat-covered":[180],"sediments":[181,210,233],"(13.1":[182],"4.4":[184],"5.8":[186],"3.3":[188],"h\u22121)":[192],"remained":[194],"smaller":[195],"than":[196,287],"denitrification,":[197],"accounting":[198],"for":[201],"39":[202],"%":[203,213],"total":[205],"NO3\u2212":[206],"29":[212],"bare":[215],"sediments.":[216],"The":[217],"net":[218],"flux":[220],"unamended":[222],"cores":[224,237,267],"directed":[226],"the":[228,232,255,301,304],"column":[230],"all":[235],"ten":[236],"(\u221223.9":[238],"32.2":[240],"h\u22121),":[244],"suggesting":[245],"that":[246,265],"likely":[249],"exceeded":[250],"mats,":[253],"although":[254],"mean":[256],"significantly":[259],"different":[260],"zero":[262],"or":[263],"mats.":[269],"M.":[270],"wollei":[271],"therefore":[274],"hotspots":[275],"turnover:":[278],"they":[279],"enhance":[280],"increasing":[283],"thickness,":[285],"more":[286],"double":[288],"DNRA,":[289],"may":[290],"support":[291],"fixation,":[293],"release":[295],"NH4+":[299],"sediments,":[302],"complicating":[303],"management":[305],"lakes.":[308]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-04-07T00:00:00"}
