{"id":"https://openalex.org/A5110078151","orcid":null,"observed_orcids":[],"display_name":"Leon E. Hallacher","raw_author_names":["Hallacher, Leon E","L. E. Hallacher","LE Hallacher","LEON E. HALLACHER","Leon E. Hallacher"],"full_name":"LEON E. HALLACHER","works_count":16,"cited_by_count":596,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5110078151","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1331384533","ror":"https://ror.org/03tzaeb71","display_name":"University of Hawaii System","country_code":"US","type":"education","lineage":["https://openalex.org/I1331384533"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I35722693","ror":"https://ror.org/02mp2av58","display_name":"University of Hawaii at Hilo","country_code":"US","type":"education","lineage":["https://openalex.org/I35722693"]},"years":[2006,2004,2003,1991]},{"institution":{"id":"https://openalex.org/I71838634","ror":"https://ror.org/05ykr0121","display_name":"San Francisco State University","country_code":"US","type":"education","lineage":["https://openalex.org/I71838634"]},"years":[1972]},{"institution":{"id":"https://openalex.org/I95457486","ror":"https://ror.org/01an7q238","display_name":"University of California, Berkeley","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]},"years":[1985,1977]},{"institution":{"id":"https://openalex.org/I95850191","ror":"https://ror.org/01c8f2y33","display_name":"Moss Landing Marine Laboratories","country_code":"US","type":"facility","lineage":["https://openalex.org/I95850191"]},"years":[1972]}],"last_known_institutions":[{"id":"https://openalex.org/I1331384533","ror":"https://ror.org/03tzaeb71","display_name":"University of Hawaii System","country_code":"US","type":"education","lineage":["https://openalex.org/I1331384533"]},{"id":"https://openalex.org/I35722693","ror":"https://ror.org/02mp2av58","display_name":"University of Hawaii at Hilo","country_code":"US","type":"education","lineage":["https://openalex.org/I35722693"]}],"topics":[{"id":"https://openalex.org/T11387","display_name":"Ichthyology and Marine Biology","count":7,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"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","count":6,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10341","display_name":"Coral and Marine Ecosystems Studies","count":6,"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/T12319","display_name":"Fish Biology and Ecology Studies","count":5,"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/T12414","display_name":"Coastal and Marine Management","count":4,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10341","display_name":"Coral and Marine Ecosystems Studies","value":3.83e-05,"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/T11387","display_name":"Ichthyology and Marine Biology","value":3.76e-05,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"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/T12596","display_name":"Cephalopods and Marine Biology","value":3.19e-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"}},{"id":"https://openalex.org/T10710","display_name":"Arsenic contamination and mitigation","value":2.18e-05,"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/T12414","display_name":"Coastal and Marine Management","value":1.54e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","score":0.8028960824012756},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6819000244140625},{"id":"2909208804","wikidata":"https://www.wikidata.org/wiki/Q127282","display_name":"Fish <Actinopterygii>","score":0.5999928712844849},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.547788679599762},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.5335206389427185}],"counts_by_year":[{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":14}],"display_name_alternatives":["Hallacher, Leon E","L. E. Hallacher","LE Hallacher","LEON E. HALLACHER","Leon E. Hallacher"],"block_key":"l hallacher","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110078151","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}
