{"id":"https://openalex.org/W67220596","doi":"https://doi.org/10.1007/bf00401275","title":"Grazing and ingestion rates of nauplii, copepodids and adults of the marine planktonic copepod Calanus helgolandicus","display_name":"Grazing and ingestion rates of nauplii, copepodids and adults of the marine planktonic copepod Calanus helgolandicus","publication_year":1971,"publication_date":"1971-11-01","ids":{"openalex":"https://openalex.org/W67220596","doi":"https://doi.org/10.1007/bf00401275","mag":"67220596"},"language":"en","primary_location":{"id":"doi:10.1007/bf00401275","doi":"https://doi.org/10.1007/bf00401275","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00401275","pdf_url":null,"source":{"id":"https://openalex.org/S118082147","display_name":"Marine Biology","issn_l":"0025-3162","issn":["0025-3162","1432-1793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Marine Biology","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W67220596"],"child_works_count":0,"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/A5096805611","display_name":"G. -A. Paffenh\ufffdfer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"G. -A. Paffenh\ufffdfer","raw_affiliation_strings":["Institute of Marine Resources, University of California, San Diego, La Jolla, California, USA","Institute of Marine Resources, University of California, La Jolla, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Marine Resources, University of California, San Diego, La Jolla, California, USA","institution_ids":["https://openalex.org/I36258959"]},{"raw_affiliation_string":"Institute of Marine Resources, University of California, La Jolla, USA","institution_ids":["https://openalex.org/I36258959"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5096805611"],"corresponding_institution_ids":["https://openalex.org/I36258959"],"apc_list":{"value":3790,"currency":"USD","value_usd":3790},"apc_paid":null,"fwci":6.4134,"has_fulltext":false,"cited_by_count":243,"citation_normalized_percentile":{"value":0.9699793,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"11","issue":"3","first_page":"286","last_page":"298"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10032","display_name":"Marine Plankton and Biogeochemistry","score":0.9477999806404114,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10032","display_name":"Marine Plankton and Biogeochemistry","score":0.9477999806404114,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T10765","display_name":"Marine Biology and Ecology Research","score":0.01140000019222498,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11056","display_name":"Physiological and biochemical adaptations","score":0.010599999688565731,"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/calanus-helgolandicus","display_name":"Calanus helgolandicus","score":1.0},{"id":"https://openalex.org/keywords/planktonic-copepods","display_name":"planktonic copepods","score":0.878000020980835},{"id":"https://openalex.org/keywords/grazing-rates","display_name":"grazing rates","score":0.9229999780654907},{"id":"https://openalex.org/keywords/intake-rate","display_name":"ingestion rate","score":0.9990000128746033},{"id":"https://openalex.org/keywords/body-weight","display_name":"body weight","score":0.5040000081062317},{"id":"https://openalex.org/keywords/larval-stages","display_name":"larval stages","score":0.6179999709129333},{"id":"https://openalex.org/keywords/nauplii","display_name":"nauplii","score":0.8320000171661377},{"id":"https://openalex.org/keywords/copepodites","display_name":"copepodites","score":0.9300000071525574},{"id":"https://openalex.org/keywords/particle-size","display_name":"particle size","score":0.8199999928474426},{"id":"https://openalex.org/keywords/food-concentration","display_name":"food concentration","score":0.972000002861023},{"id":"https://openalex.org/keywords/phytoplankton-consumption","display_name":"phytoplankton consumption","score":0.8339999914169312},{"id":"https://openalex.org/keywords/herbivory","display_name":"herbivory","score":0.44999998807907104}],"concepts":[{"id":"https://openalex.org/C193230392","wikidata":"https://www.wikidata.org/wiki/Q1663054","display_name":"Ingestion","level":2,"score":0.8947296738624573},{"id":"https://openalex.org/C2777235683","wikidata":"https://www.wikidata.org/wiki/Q189973","display_name":"Copepod","level":3,"score":0.8733112812042236},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8649550676345825},{"id":"https://openalex.org/C2777904157","wikidata":"https://www.wikidata.org/wiki/Q3239189","display_name":"Grazing","level":2,"score":0.817954421043396},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.6311221718788147},{"id":"https://openalex.org/C2775941659","wikidata":"https://www.wikidata.org/wiki/Q3809086","display_name":"Calanus","level":4,"score":0.557999849319458},{"id":"https://openalex.org/C108469399","wikidata":"https://www.wikidata.org/wiki/Q25367","display_name":"Plankton","level":2,"score":0.4634283781051636},{"id":"https://openalex.org/C84766238","wikidata":"https://www.wikidata.org/wiki/Q25364","display_name":"Crustacean","level":2,"score":0.4085426926612854},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.32362014055252075},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.06845822930335999}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf00401275","doi":"https://doi.org/10.1007/bf00401275","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00401275","pdf_url":null,"source":{"id":"https://openalex.org/S118082147","display_name":"Marine Biology","issn_l":"0025-3162","issn":["0025-3162","1432-1793"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Marine Biology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1651185548","https://openalex.org/W1688902248","https://openalex.org/W2105434445","https://openalex.org/W2118441480","https://openalex.org/W2129999833","https://openalex.org/W2136021141","https://openalex.org/W2137882885","https://openalex.org/W2139732694","https://openalex.org/W2160239459","https://openalex.org/W2164639628","https://openalex.org/W2783679008"],"related_works":["https://openalex.org/W1529807109","https://openalex.org/W58251858","https://openalex.org/W2791244692","https://openalex.org/W2160239459","https://openalex.org/W7066193212","https://openalex.org/W1968388292","https://openalex.org/W2031949604","https://openalex.org/W2065781648","https://openalex.org/W2009797491","https://openalex.org/W1965810665"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}