{"id":"https://openalex.org/W4401946313","doi":"https://doi.org/10.12911/22998993/191540","title":"Environmental Variables Significance for Ecological Status Assessment in the Bulgarian Eastern Continental Shallow Lakes","display_name":"Environmental Variables Significance for Ecological Status Assessment in the Bulgarian Eastern Continental Shallow Lakes","publication_year":2024,"publication_date":"2024-08-28","ids":{"openalex":"https://openalex.org/W4401946313","doi":"https://doi.org/10.12911/22998993/191540"},"language":"en","primary_location":{"id":"doi:10.12911/22998993/191540","doi":"https://doi.org/10.12911/22998993/191540","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/191540","pdf_url":"https://www.jeeng.net/pdf-191540-113429?filename=Environmental-Variables-S.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.jeeng.net/pdf-191540-113429?filename=Environmental-Variables-S.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112932015","display_name":"Dimitar D. Doychev","orcid":"https://orcid.org/0000-0002-7740-8974","observed_orcids":["https://orcid.org/0000-0002-7740-8974"]},"institutions":[{"id":"https://openalex.org/I39995536","display_name":"Shumen University","ror":"https://ror.org/03yht3k11","country_code":"BG","type":"education","lineage":["https://openalex.org/I39995536"]}],"countries":["BG"],"is_corresponding":true,"raw_author_name":"Dimitar Doychev","raw_affiliation_strings":["Department of Biology , Faculty of Natural Sciences , University of Shumen \"Konstantin Preslavsky\" , 115 Universitetska Str. , 9700 Shumen , Bulgaria"],"raw_orcid":"https://orcid.org/0000-0002-7740-8974","affiliations":[{"raw_affiliation_string":"Department of Biology , Faculty of Natural Sciences , University of Shumen \"Konstantin Preslavsky\" , 115 Universitetska Str. , 9700 Shumen , Bulgaria","institution_ids":["https://openalex.org/I39995536"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016136693","display_name":"Kristina Gartsiyanova","orcid":"https://orcid.org/0009-0006-8965-9953","observed_orcids":["https://orcid.org/0009-0006-8965-9953"]},"institutions":[{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I4210090733","display_name":"National Institute of Geophysics, Geodesy and Geography","ror":"https://ror.org/00gywet31","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I4210090733"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Kristina Gartsiyanova","raw_affiliation_strings":["Bulgarian Academy of Sciences [ NIGGG-BAS] , Sofia , Bulgaria,","National Institute of Geophysics , Geodesy and Geography , Hydrology and Water Management Research Center ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Academy of Sciences [ NIGGG-BAS] , Sofia , Bulgaria,","institution_ids":["https://openalex.org/I24768866","https://openalex.org/I4210090733"]},{"raw_affiliation_string":"National Institute of Geophysics , Geodesy and Geography , Hydrology and Water Management Research Center ,","institution_ids":["https://openalex.org/I4210090733"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029761726","display_name":"Lidiya Taneva","orcid":"https://orcid.org/0009-0001-0977-0509","observed_orcids":["https://orcid.org/0009-0001-0977-0509"]},"institutions":[{"id":"https://openalex.org/I24768866","display_name":"Bulgarian Academy of Sciences","ror":"https://ror.org/01x8hew03","country_code":"BG","type":"government","lineage":["https://openalex.org/I24768866"]},{"id":"https://openalex.org/I39995536","display_name":"Shumen University","ror":"https://ror.org/03yht3k11","country_code":"BG","type":"education","lineage":["https://openalex.org/I39995536"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Lidiya Taneva","raw_affiliation_strings":["Acad. G. Bonchev Str. , bl. 3 , Sofia 1113 , Bulgaria","Department of Biology , Faculty of Natural Sciences , University of Shumen \"Konstantin Preslavsky\" , 115 Universitetska Str. , 9700 Shumen , Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acad. G. Bonchev Str. , bl. 3 , Sofia 1113 , Bulgaria","institution_ids":["https://openalex.org/I24768866"]},{"raw_affiliation_string":"Department of Biology , Faculty of Natural Sciences , University of Shumen \"Konstantin Preslavsky\" , 115 Universitetska Str. , 9700 Shumen , Bulgaria","institution_ids":["https://openalex.org/I39995536"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5112932015"],"corresponding_institution_ids":["https://openalex.org/I39995536"],"apc_list":{"value":1400,"currency":"PLN","value_usd":330},"apc_paid":{"value":1400,"currency":"PLN","value_usd":330},"fwci":0.7795,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.60252394,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":98},"biblio":{"volume":"25","issue":"10","first_page":"16","last_page":"30"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","score":0.9965999722480774,"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":0.9965999722480774,"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/T14177","display_name":"Water Resources and Management","score":0.000699999975040555,"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/T11634","display_name":"Water Quality and Pollution Assessment","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/ecological-status-assessment","display_name":"ecological status assessment","score":0.8420000076293945},{"id":"https://openalex.org/keywords/shallow-lakes","display_name":"shallow lakes","score":0.8569999933242798},{"id":"https://openalex.org/keywords/nutrient-ratios","display_name":"nutrient ratios","score":0.33399999141693115},{"id":"https://openalex.org/keywords/conductivity","display_name":"conductivity","score":0.8100000023841858},{"id":"https://openalex.org/keywords/nitrate","display_name":"nitrate","score":0.6980000138282776},{"id":"https://openalex.org/keywords/phosphate","display_name":"phosphate","score":0.9409999847412109}],"concepts":[{"id":"https://openalex.org/C2780343019","wikidata":"https://www.wikidata.org/wiki/Q7918","display_name":"Bulgarian","level":2,"score":0.6586124300956726},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5317679047584534},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5174279808998108},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4328981041908264},{"id":"https://openalex.org/C526734887","wikidata":"https://www.wikidata.org/wiki/Q832237","display_name":"Environmental protection","level":1,"score":0.34468984603881836},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.1726045310497284},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.12911/22998993/191540","doi":"https://doi.org/10.12911/22998993/191540","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/191540","pdf_url":"https://www.jeeng.net/pdf-191540-113429?filename=Environmental-Variables-S.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.12911/22998993/191540","doi":"https://doi.org/10.12911/22998993/191540","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/191540","pdf_url":"https://www.jeeng.net/pdf-191540-113429?filename=Environmental-Variables-S.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.7778000235557556},{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.5769000053405762}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320330331","display_name":"Constantine of Preslav University of Shumen","ror":"https://ror.org/03yht3k11"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4401946313.pdf","grobid_xml":"https://content.openalex.org/works/W4401946313.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W2011373849","https://openalex.org/W2876736893","https://openalex.org/W2945921399","https://openalex.org/W2969770307","https://openalex.org/W3129084433","https://openalex.org/W3163688810","https://openalex.org/W4214865945","https://openalex.org/W4294024772","https://openalex.org/W4386191043","https://openalex.org/W4386444873","https://openalex.org/W4386638848","https://openalex.org/W4388997342"],"related_works":["https://openalex.org/W1980363080","https://openalex.org/W7096339457","https://openalex.org/W4220783307","https://openalex.org/W1993285747","https://openalex.org/W4412960147","https://openalex.org/W4386191043","https://openalex.org/W2042705621","https://openalex.org/W3156770090","https://openalex.org/W2266387458","https://openalex.org/W2159833957"],"abstract_inverted_index":{"Eastern":[0,56],"Continental":[1,57],"shallow":[2,58],"lakes":[3,59],"are":[4,35],"specific":[5],"with":[6,17,115,183,224],"their":[7,20],"higher":[8],"nutrient":[9,39],"concentration":[10,261],"compared":[11],"to":[12,77,95,143,258],"other":[13,43],"lentic":[14],"water":[15,181],"bodies":[16,182],"similar":[18,184],"specifications.Nonetheless,":[19],"phytoplankton":[21,88],"and":[22,89,104,139,201,218,244],"macrophyte":[23],"assessment":[24,86],"systems":[25],"used":[26,51,129,160],"more":[27],"often":[28],"than":[29],"others":[30],"within":[31,101],"state":[32,69],"monitoring":[33,70],"programs,":[34],"weakly":[36],"influenced":[37,209],"by":[38,87,153,210],"concentrations,":[40],"unlike":[41],"all":[42,52],"lake":[44,106],"types":[45],"in":[46,194,215],"Europe.In":[47],"this":[48],"study,":[49],"we":[50],"available":[53],"data":[54],"for":[55,71,130,148,161],"on":[60,233],"the":[61,68,83,97,105,123,145,149,165,190,213,252,259],"Black":[62],"Sea":[63],"coast":[64],"of":[65,136,164,198,254,262],"Bulgaria":[66],"from":[67,177,180],"14":[72],"years":[73],"(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017)(2018)(2019)(2020)(2021).The":[74],"goal":[75],"was":[76,93,142,173,208,228,246],"find":[78,122,144],"how":[79],"environmental":[80,111],"variables":[81,127],"influence":[82],"ecological":[84,150,204],"status":[85,151],"macrophyte-related":[90],"indices.Likewise,":[91],"it":[92,120],"important":[94,110],"understand":[96],"studied":[98],"parameter's":[99],"interrelations":[100],"Dourankoulak":[102,221],"Lake":[103,217,238],"complex":[107],"Shabla-Ezerets.The":[108],"most":[109,214],"parameters":[112,147],"were":[113,128],"determined":[114],"principal":[116],"component":[117],"analysis":[118],"since":[119],"helps":[121],"hidden":[124],"relationships.Afterwards,":[125],"those":[126],"univariate":[131],"linear":[132],"regression":[133],"testing":[134],"because":[135],"its":[137,195,203],"simplicity":[138],"reliability.The":[140],"aim":[141],"best-suited":[146],"explanation":[152],"different":[154],"biological":[155,225],"indices,":[156],"which":[157,248],"can":[158],"be":[159],"further":[162],"predictions":[163],"ecosystem":[166],"condition.In":[167],"addition,":[168],"nitrogen-phosphorus":[169],"dependency,":[170],"where":[171],"possible":[172],"investigated,":[174],"confirming":[175,231],"conclusions":[176],"mesocosms":[178],"studies":[179],"characteristics.The":[185],"algae":[186],"group":[187],"index":[188],"or":[189],"so-called":[191],"\"Catal\u00e1n":[192],"Index\",":[193],"original":[196],"form":[197],"representing":[199],"results":[200,232],"considering":[202],"quality":[205,226],"ratio":[206],"values,":[207],"conductivity":[211],"concentrations":[212],"Ezeretsko":[216],"weaker":[219],"at":[220],"Lake.Nutrient":[222],"relationship":[223],"elements":[227],"not":[229],"found,":[230,247],"a":[234,239],"European":[235],"level.In":[236],"Shablensko":[237],"dose-dependent":[240],"relation":[241],"between":[242],"nitrates":[243],"phosphates":[245],"shows":[249],"that":[250],"augmenting":[251],"quantity":[253],"nitrogen":[255],"is":[256],"related":[257],"increasing":[260],"phosphates.":[263]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":2}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2024-08-29T00:00:00"}
