{"id":"https://openalex.org/A5011909752","orcid":"https://orcid.org/0000-0001-9415-0621","observed_orcids":["https://orcid.org/0000-0001-9415-0621"],"display_name":"F. Christiansen","raw_author_names":["Christiansen, F. B.","Christiansen, F.B.","Christiansen, Freddy","Christiansen, Freddy B.","Christiansen, Freddy Bugge","F B Christiansen","F. B. CHRISTIANSEN","F. B. Christiansen","F. Bugge Christiansen","F. Christiansen","F.B Christiansen","F.B. CHRISTIANSEN","F.B. Christiansen","FREDDY B CHRISTIANSEN","FREDDY B. CHRISTIANSEN","FREDDY BUGGE CHRISTIANSEN","Freddy B Christiansen","Freddy B. Christiansen","Freddy Bugge Christiansen","Freddy Christiansen","FreddyBugge Christiansen"],"full_name":"Christiansen, Freddy Bugge","works_count":140,"cited_by_count":5055,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":39,"i10_index":74},"ids":{"openalex":"https://openalex.org/A5011909752","orcid":"https://orcid.org/0000-0001-9415-0621","observed_orcids":["https://orcid.org/0000-0001-9415-0621"]},"affiliations":[{"institution":{"id":"https://openalex.org/I107707843","ror":"https://ror.org/014axpa37","display_name":"Roskilde University","country_code":"DK","type":"education","lineage":["https://openalex.org/I107707843"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I1313323035","ror":"https://ror.org/05qrfxd25","display_name":"Russian Academy of Sciences","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I136199984","ror":"https://ror.org/03vek6s52","display_name":"Harvard University","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},"years":[1975]},{"institution":{"id":"https://openalex.org/I204337017","ror":"https://ror.org/01aj84f44","display_name":"Aarhus University","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]},"years":[2016,2013,2012,2011,2010,2009,2008,2005,2004,2003,2001,2000,1999,1998,1997,1996,1995,1994,1993,1990,1989,1988,1987,1985,1984,1983,1981,1980,1979,1977,1975,1973,1972]},{"institution":{"id":"https://openalex.org/I4210148309","ror":"https://ror.org/05ermrg42","display_name":"Vavilov Institute of General Genetics","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210129690","https://openalex.org/I4210148309"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I75951250","ror":"https://ror.org/046ak2485","display_name":"Freie Universit\u00e4t Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]},"years":[1984,1980]},{"institution":{"id":"https://openalex.org/I97018004","ror":"https://ror.org/00f54p054","display_name":"Stanford University","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]},"years":[1995,1991,1981,1980,1975,1974]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11764","display_name":"Evolution and Genetic Dynamics","count":104,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10012","display_name":"Genetic diversity and population structure","count":67,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","count":40,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"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/T10482","display_name":"Mathematical and Theoretical Epidemiology and Ecology Models","count":28,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","count":20,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11764","display_name":"Evolution and Genetic Dynamics","value":0.0003981,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10012","display_name":"Genetic diversity and population structure","value":0.0001381,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11252","display_name":"Evolutionary Game Theory and Cooperation","value":0.0001192,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10482","display_name":"Mathematical and Theoretical Epidemiology and Ecology Models","value":9.93e-05,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","value":8.22e-05,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9734001755714417},{"id":"54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","score":0.804416298866272},{"id":"2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","score":0.6748373508453369},{"id":"78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","score":0.6233268976211548},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.5596054792404175}],"counts_by_year":[{"year":1972,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1975,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1981,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":9,"oa_works_count":5,"cited_by_count":0},{"year":2009,"works_count":11,"oa_works_count":8,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":1,"cited_by_count":164},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":134},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":160},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":142},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":135},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":128},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":128},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":132},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":128},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":112},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":89},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":114},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":68},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":68}],"display_name_alternatives":["Christiansen, F. B.","Christiansen, F.B.","Christiansen, Freddy","Christiansen, Freddy B.","Christiansen, Freddy Bugge","F B Christiansen","F. B. CHRISTIANSEN","F. B. Christiansen","F. Bugge Christiansen","F. Christiansen","F.B Christiansen","F.B. CHRISTIANSEN","F.B. Christiansen","FREDDY B CHRISTIANSEN","FREDDY B. CHRISTIANSEN","FREDDY BUGGE CHRISTIANSEN","Freddy B Christiansen","Freddy B. Christiansen","Freddy Bugge Christiansen","Freddy Christiansen","FreddyBugge Christiansen"],"block_key":"f christiansen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5011909752","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5011909752","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}