{"id":"https://openalex.org/W2007135536","doi":"https://doi.org/10.6001/ekologija.v57i4.2275","title":"Trophic peculiarities of the Great Cormorant, Grey Heron and Long-tailed Duck on the Baltic Sea Lithuanian coast: a stable isotope approach","display_name":"Trophic peculiarities of the Great Cormorant, Grey Heron and Long-tailed Duck on the Baltic Sea Lithuanian coast: a stable isotope approach","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2007135536","doi":"https://doi.org/10.6001/ekologija.v57i4.2275","mag":"2007135536"},"language":"en","primary_location":{"id":"doi:10.6001/ekologija.v57i4.2275","doi":"https://doi.org/10.6001/ekologija.v57i4.2275","is_oa":false,"landing_page_url":"https://doi.org/10.6001/ekologija.v57i4.2275","pdf_url":null,"source":{"id":"https://openalex.org/S19557735","display_name":"Ekologija","issn_l":"0235-7224","issn":["0235-7224","2029-0586"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ekologija","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5028545855","display_name":"Rasa Mork\u016bn\u0117","orcid":"https://orcid.org/0000-0002-5918-1614","observed_orcids":["https://orcid.org/0000-0002-5918-1614"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Rasa MORK\u016aN\u0116","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5028545855"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"57","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12073","display_name":"Isotope Analysis in Ecology","score":1.0,"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":1.0,"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/T10230","display_name":"Marine and fisheries research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic 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/T10659","display_name":"Marine animal studies overview","score":0.0,"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/great-cormorant","display_name":"Phalacrocorax carbo","score":0.9549999833106995},{"id":"https://openalex.org/keywords/grey-heron","display_name":"Ardea cinerea","score":0.9990000128746033},{"id":"https://openalex.org/keywords/long-tailed-duck","display_name":"long-tailed duck","score":0.996999979019165},{"id":"https://openalex.org/keywords/clangula-hyemalis","display_name":"Clangula hyemalis","score":0.9900000095367432},{"id":"https://openalex.org/keywords/feeding-ecology","display_name":"feeding ecology","score":0.9120000004768372},{"id":"https://openalex.org/keywords/stable-isotopes","display_name":"stable isotopes","score":0.7310000061988831},{"id":"https://openalex.org/keywords/nitrogen-isotopes","display_name":"nitrogen isotopes","score":0.7929999828338623},{"id":"https://openalex.org/keywords/carbon-isotopes","display_name":"carbon isotopes","score":1.0},{"id":"https://openalex.org/keywords/bird-feathers","display_name":"bird feathers","score":0.6209999918937683},{"id":"https://openalex.org/keywords/diet","display_name":"diet","score":0.5059999823570251},{"id":"https://openalex.org/keywords/foraging-habitat","display_name":"foraging habitat","score":0.8700000047683716},{"id":"https://openalex.org/keywords/trophic-levels","display_name":"trophic levels","score":0.7689999938011169},{"id":"https://openalex.org/keywords/piscivory","display_name":"piscivory","score":0.8889999985694885},{"id":"https://openalex.org/keywords/curonian-lagoon","display_name":"Curonian Lagoon","score":0.7250000238418579},{"id":"https://openalex.org/keywords/baltic-coast","display_name":"Baltic Sea coast","score":0.7940000295639038},{"id":"https://openalex.org/keywords/lithuanian-coast","display_name":"Lithuanian coast","score":0.8149999976158142},{"id":"https://openalex.org/keywords/seasonal-variation-in-diet","display_name":"seasonal diet variation","score":0.5759999752044678},{"id":"https://openalex.org/keywords/molting","display_name":"molting","score":0.7139999866485596}],"concepts":[{"id":"https://openalex.org/C2776017750","wikidata":"https://www.wikidata.org/wiki/Q3901247","display_name":"Cormorant","level":3,"score":0.905600905418396},{"id":"https://openalex.org/C2781458577","wikidata":"https://www.wikidata.org/wiki/Q310853","display_name":"Ardea","level":3,"score":0.8302162885665894},{"id":"https://openalex.org/C127745971","wikidata":"https://www.wikidata.org/wiki/Q81025","display_name":"Feather","level":2,"score":0.7640030980110168},{"id":"https://openalex.org/C2778241727","wikidata":"https://www.wikidata.org/wiki/Q18789","display_name":"Heron","level":2,"score":0.7580759525299072},{"id":"https://openalex.org/C2780401108","wikidata":"https://www.wikidata.org/wiki/Q8083977","display_name":"\u03b415N","level":4,"score":0.6424263119697571},{"id":"https://openalex.org/C51813073","wikidata":"https://www.wikidata.org/wiki/Q518459","display_name":"Isotope analysis","level":2,"score":0.6372296810150146},{"id":"https://openalex.org/C72958200","wikidata":"https://www.wikidata.org/wiki/Q1053008","display_name":"Trophic level","level":2,"score":0.5805273652076721},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5633059144020081},{"id":"https://openalex.org/C165287380","wikidata":"https://www.wikidata.org/wiki/Q2916569","display_name":"Foraging","level":2,"score":0.559419572353363},{"id":"https://openalex.org/C156398188","wikidata":"https://www.wikidata.org/wiki/Q3278929","display_name":"\u03b413C","level":3,"score":0.5456512570381165},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5191078186035156},{"id":"https://openalex.org/C188382862","wikidata":"https://www.wikidata.org/wiki/Q170430","display_name":"Predation","level":2,"score":0.45550253987312317},{"id":"https://openalex.org/C102570303","wikidata":"https://www.wikidata.org/wiki/Q392655","display_name":"Flight feather","level":4,"score":0.449897438287735},{"id":"https://openalex.org/C185933670","wikidata":"https://www.wikidata.org/wiki/Q52105","display_name":"Habitat","level":2,"score":0.44584712386131287},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.3908888101577759},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.38037070631980896},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.36773669719696045},{"id":"https://openalex.org/C41905685","wikidata":"https://www.wikidata.org/wiki/Q381084","display_name":"Moulting","level":3,"score":0.3384697139263153},{"id":"https://openalex.org/C173758957","wikidata":"https://www.wikidata.org/wiki/Q129270","display_name":"Larva","level":2,"score":0.09255576133728027},{"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":[],"locations_count":1,"locations":[{"id":"doi:10.6001/ekologija.v57i4.2275","doi":"https://doi.org/10.6001/ekologija.v57i4.2275","is_oa":false,"landing_page_url":"https://doi.org/10.6001/ekologija.v57i4.2275","pdf_url":null,"source":{"id":"https://openalex.org/S19557735","display_name":"Ekologija","issn_l":"0235-7224","issn":["0235-7224","2029-0586"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ekologija","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1969503610","https://openalex.org/W1973528767","https://openalex.org/W1982128848","https://openalex.org/W1999801733","https://openalex.org/W2030034745","https://openalex.org/W2047657752","https://openalex.org/W2103809151","https://openalex.org/W2115724478","https://openalex.org/W2143823457","https://openalex.org/W2177043735","https://openalex.org/W2189382651"],"related_works":["https://openalex.org/W1980255080","https://openalex.org/W1989759865","https://openalex.org/W2092234784","https://openalex.org/W2090811865","https://openalex.org/W2061637069","https://openalex.org/W4413230766","https://openalex.org/W2088936232","https://openalex.org/W2785059638","https://openalex.org/W2313489757","https://openalex.org/W2069882527"],"abstract_inverted_index":{"The":[0,75,96,116,152],"stable":[1,76],"isotopes":[2],"of":[3,14,68,93,100,137,159,179],"nitrogen":[4],"(\u03b415N)":[5],"and":[6,24,49,103,111,122,129,167],"carbon":[7],"(\u03b413C)":[8],"were":[9,106,125],"analysed":[10],"in":[11,30,43,119,143,148,156],"the":[12,15,31,35,53,66,81,90,149,157,168,183],"feathers":[13,45,158],"Great":[16,58,101,123],"Cormorant":[17],"(Phalacrocorax":[18],"carbo),":[19],"Grey":[20,82,104,120],"Heron":[21,83],"(Ardea":[22],"cinerea)":[23],"Long-tailed":[25,160],"Duck":[26],"(Clangula":[27],"hyemalis)":[28],"staying":[29],"different":[32],"seasons":[33],"at":[34,65],"Lithuanian":[36],"Baltic":[37],"Sea":[38],"coast.":[39],"Stable":[40],"isotope":[41,77],"ratios":[42],"bird":[44,139],"represented":[46],"dietary":[47],"variations":[48],"foraging":[50],"habitats":[51,181],"during":[52,89,182],"feather":[54],"growth":[55],"period.":[56],"Adult":[57],"Cormorants":[59,102,124],"fed":[60],"juveniles":[61],"by":[62],"smaller":[63],"fish":[64],"beginning":[67],"fledging,":[69],"switching":[70],"later":[71],"to":[72,165,174,188],"larger":[73],"prey.":[74],"analysis":[78],"indicated":[79],"that":[80],"diet":[84],"did":[85],"not":[86],"change":[87],"significantly":[88],"fledging":[91],"period":[92],"their":[94],"juveniles.":[95],"calculated":[97],"trophic":[98],"levels":[99],"Herons":[105,121],"similar":[107],"(3.55":[108],"\u00b1":[109,113],"0.12":[110],"3.57":[112],"0.41,":[114],"respectively).":[115],"isotopic":[117],"values":[118,134,154,170],"14.6\u201316.0\u2030":[126],"for":[127,131],"\u03b415N":[128,153],"\u201327.3\u2013(\u201324.9)\u2030":[130],"\u03b413C.":[132],"These":[133],"are":[135],"typical":[136],"piscivorous":[138],"species":[140],"mostly":[141],"feeding":[142,180],"freshwater":[144,187],"bodies,":[145],"i.":[146],"e.":[147],"Curonian":[150],"Lagoon.":[151],"found":[155],"Ducks":[161],"ranged":[162,171],"from":[163,172,186],"7.7":[164],"13.9\u2030":[166],"\u03b413C":[169],"\u201333.6":[173],"\u201324.9\u2030":[175],"showing":[176],"high":[177],"variation":[178],"moulting":[184],"period:":[185],"marine":[189],"environment.":[190]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}
