{"id":"https://openalex.org/A5018961331","orcid":"https://orcid.org/0000-0002-5319-5396","observed_orcids":["https://orcid.org/0000-0002-5319-5396"],"display_name":"David L. Waldien","raw_author_names":["David L. Waldien","David Waldien","Waldien, David","Waldien, David L."],"full_name":"Waldien, David L.","works_count":37,"cited_by_count":269,"summary_stats":{"2yr_mean_citedness":5.25,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5018961331","orcid":"https://orcid.org/0000-0002-5319-5396","observed_orcids":["https://orcid.org/0000-0002-5319-5396"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1286329397","ror":"https://ror.org/035a68863","display_name":"United States Geological Survey","country_code":"US","type":"government","lineage":["https://openalex.org/I1286329397","https://openalex.org/I1335927249"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I131249849","ror":"https://ror.org/00ysfqy60","display_name":"Oregon State University","country_code":"US","type":"education","lineage":["https://openalex.org/I131249849"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I16285277","ror":"https://ror.org/03hsf0573","display_name":"William & Mary","country_code":"US","type":"education","lineage":["https://openalex.org/I16285277"]},"years":[2025,2024]},{"institution":{"id":"https://openalex.org/I177308816","ror":"https://ror.org/00m4rwq02","display_name":"Christopher Newport University","country_code":"US","type":"education","lineage":["https://openalex.org/I177308816"]},"years":[2026,2025,2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I2799688433","ror":"https://ror.org/04jp6nz39","display_name":"Bat Conservation International","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I2799688433"]},"years":[2014,2009]},{"institution":{"id":"https://openalex.org/I4210098357","ror":"https://ror.org/00yq23r19","display_name":"International Union for Conservation of Nature (United Kingdom)","country_code":"GB","type":"nonprofit","lineage":["https://openalex.org/I4210098357","https://openalex.org/I4210161504"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4210161504","ror":"https://ror.org/04tehfn33","display_name":"International Union for Conservation of Nature","country_code":"CH","type":"nonprofit","lineage":["https://openalex.org/I4210161504"]},"years":[2025,2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I4405257157","ror":"https://ror.org/04yndey86","display_name":"IUCN Species Survival Commission","country_code":"CH","type":"nonprofit","lineage":["https://openalex.org/I4210161504","https://openalex.org/I4405257157"]},"years":[2026,2025,2024,2023,2022,2021]}],"last_known_institutions":[{"id":"https://openalex.org/I177308816","ror":"https://ror.org/00m4rwq02","display_name":"Christopher Newport University","country_code":"US","type":"education","lineage":["https://openalex.org/I177308816"]},{"id":"https://openalex.org/I4405257157","ror":"https://ror.org/04yndey86","display_name":"IUCN Species Survival Commission","country_code":"CH","type":"nonprofit","lineage":["https://openalex.org/I4210161504","https://openalex.org/I4405257157"]}],"topics":[{"id":"https://openalex.org/T10199","display_name":"Wildlife Ecology and Conservation","count":29,"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/T11228","display_name":"Bat Biology and Ecology Studies","count":24,"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/T13967","display_name":"Conservation, Ecology, Wildlife Education","count":10,"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"}},{"id":"https://openalex.org/T10895","display_name":"Species Distribution and Climate Change","count":7,"subfield":{"id":"https://openalex.org/subfields/2302","display_name":"Ecological Modeling"},"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/T10089","display_name":"Avian ecology and behavior","count":5,"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"}}],"topic_share":[{"id":"https://openalex.org/T11228","display_name":"Bat Biology and Ecology Studies","value":0.0002591,"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/T13967","display_name":"Conservation, Ecology, Wildlife Education","value":9.81e-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"}},{"id":"https://openalex.org/T10199","display_name":"Wildlife Ecology and Conservation","value":4.27e-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/T13546","display_name":"Census and Population Estimation","value":3.67e-05,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"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/T13395","display_name":"Education, Leadership, and Health Research","value":2.78e-05,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"185933670","wikidata":"https://www.wikidata.org/wiki/Q52105","display_name":"Habitat","score":0.7454000115394592},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.707099974155426},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.6534478664398193},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.5559419393539429},{"id":"90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","score":0.5053053498268127}],"counts_by_year":[{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2014,"works_count":4,"oa_works_count":4,"cited_by_count":10},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2021,"works_count":2,"oa_works_count":0,"cited_by_count":8},{"year":2022,"works_count":3,"oa_works_count":1,"cited_by_count":9},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":11},{"year":2024,"works_count":7,"oa_works_count":6,"cited_by_count":16},{"year":2025,"works_count":3,"oa_works_count":3,"cited_by_count":29},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":41}],"display_name_alternatives":["David L. Waldien","David Waldien","Waldien, David","Waldien, David L."],"block_key":"d waldien","works_api_url":"https://api.openalex.org/works?filter=author.id:A5018961331","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5018961331","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
