{"id":"https://openalex.org/A5113437589","orcid":null,"observed_orcids":[],"display_name":"Victor P. Claassen","raw_author_names":["Claassen, Vic.","V. Claassen","V. P. Claassen","V.P. Claassen","VICTOR P. CLAASSEN","Vic Claassen","Victor Claassen","Victor P Claassen","Victor P. Claassen"],"full_name":"VICTOR P. CLAASSEN","works_count":57,"cited_by_count":1247,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":19,"i10_index":29},"ids":{"openalex":"https://openalex.org/A5113437589","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2803209242","ror":"https://ror.org/00pjdza24","display_name":"University of California System","country_code":"US","type":"education","lineage":["https://openalex.org/I2803209242"]},"years":[2006,2005]},{"institution":{"id":"https://openalex.org/I84218800","ror":"https://ror.org/05rrcem69","display_name":"University of California, Davis","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]},"years":[2012,2011,2010,2009,2008,2007,2006,2005,2004,1998,1996,1993,1992]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":16,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil 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/T10005","display_name":"Ecology and Vegetation Dynamics Studies","count":15,"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/T12870","display_name":"Seedling growth and survival studies","count":14,"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/T10889","display_name":"Soil erosion and sediment transport","count":13,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil 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/T13388","display_name":"Rangeland and Wildlife Management","count":10,"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/T12822","display_name":"Turfgrass Adaptation and Management","value":0.0001059,"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/T12870","display_name":"Seedling growth and survival studies","value":7.45e-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/T12729","display_name":"Tree Root and Stability Studies","value":6.11e-05,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13388","display_name":"Rangeland and Wildlife Management","value":5.71e-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/T14468","display_name":"Plant Ecology and Soil Science","value":4.61e-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"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8887187242507935},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7695953845977783},{"id":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.7573913335800171},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.6786017417907715},{"id":"159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","score":0.43414896726608276}],"counts_by_year":[{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"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":1,"oa_works_count":0,"cited_by_count":68},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":80},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":68},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":74},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":70},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":61},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":70},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":63},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":27}],"display_name_alternatives":["Claassen, Vic.","V. Claassen","V. P. Claassen","V.P. Claassen","VICTOR P. CLAASSEN","Vic Claassen","Victor Claassen","Victor P Claassen","Victor P. Claassen"],"block_key":"v claassen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113437589","updated_date":"2026-10-29T12:27:34","created_date":"2016-06-24T00:00:00"}