{"id":"https://openalex.org/A5113550680","orcid":null,"observed_orcids":[],"display_name":"Roman J. M. Lenz","raw_author_names":["R LENZ","R. J. M. Lenz","R. Lenz","R.J.M. Lenz","ROMAN LENZ","Roman J. M. Lenz","Roman Lenz"],"full_name":"Roman J. M. Lenz","works_count":53,"cited_by_count":802,"summary_stats":{"2yr_mean_citedness":4.666666666666667,"h_index":14,"i10_index":16},"ids":{"openalex":"https://openalex.org/A5113550680","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I103855431","ror":"https://ror.org/0500gea42","display_name":"HAN University of Applied Sciences","country_code":"NL","type":"education","lineage":["https://openalex.org/I103855431"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I3018134672","ror":"https://ror.org/00cfam450","display_name":"Helmholtz Munich","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I3018134672"]},"years":[1997,1996,1995,1994,1993]},{"institution":{"id":"https://openalex.org/I3129846546","ror":"https://ror.org/02rqsa469","display_name":"N\u00fcrtingen-Geislingen University of Applied Science","country_code":"DE","type":"education","lineage":["https://openalex.org/I3129846546"]},"years":[2024,2015,2012,2011,2010,2007,2005,2003,2000,1999,1997]},{"institution":{"id":"https://openalex.org/I4923324","ror":"https://ror.org/05hkkdn48","display_name":"Fraunhofer-Gesellschaft","country_code":"DE","type":"government","lineage":["https://openalex.org/I4923324"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I62916508","ror":"https://ror.org/02kkvpp62","display_name":"Technical University of Munich","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]},"years":[1992,1990]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10226","display_name":"Land Use and Ecosystem Services","count":13,"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/T10005","display_name":"Ecology and Vegetation Dynamics Studies","count":8,"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/T10075","display_name":"Atmospheric chemistry and aerosols","count":7,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T12227","display_name":"Environmental and Social Impact Assessments","count":6,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":5,"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"}}],"topic_share":[{"id":"https://openalex.org/T13432","display_name":"Environmental Sustainability and Technology","value":6.58e-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/T12643","display_name":"Sustainability and Ecological Systems Analysis","value":5.71e-05,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T13394","display_name":"Ecology, Conservation, and Geographical Studies","value":4.52e-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/T14468","display_name":"Plant Ecology and Soil Science","value":3.9e-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/T10226","display_name":"Land Use and Ecosystem Services","value":3.8e-05,"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"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9111130237579346},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7461174726486206},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.6983129978179932},{"id":"107826830","wikidata":"https://www.wikidata.org/wiki/Q929380","display_name":"Environmental resource management","score":0.6754472851753235},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.6043580770492554}],"counts_by_year":[{"year":1990,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":2,"cited_by_count":34},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":36},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2015,"works_count":3,"oa_works_count":1,"cited_by_count":27},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":30},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":32},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":28},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2024,"works_count":2,"oa_works_count":0,"cited_by_count":27},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":19}],"display_name_alternatives":["R LENZ","R. J. M. Lenz","R. Lenz","R.J.M. Lenz","ROMAN LENZ","Roman J. M. Lenz","Roman Lenz"],"block_key":"r lenz","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113550680","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}