{"id":"https://openalex.org/A5000858337","orcid":"https://orcid.org/0009-0006-0246-9592","observed_orcids":["https://orcid.org/0009-0006-0246-9592"],"display_name":"Mark A. Nienaber","raw_author_names":["Mark A. Nienaber","Nienaber, Mark A."],"full_name":"Nienaber, Mark A.","works_count":7,"cited_by_count":48,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":4,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5000858337","orcid":"https://orcid.org/0009-0006-0246-9592","observed_orcids":["https://orcid.org/0009-0006-0246-9592"]},"affiliations":[{"institution":{"id":"https://openalex.org/I168416876","ror":"https://ror.org/01k44g025","display_name":"Northern Kentucky University","country_code":"US","type":"education","lineage":["https://openalex.org/I168416876"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I74680897","ror":"https://ror.org/04dkns738","display_name":"Procter & Gamble (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I74680897"]},"years":[2001]}],"last_known_institutions":[{"id":"https://openalex.org/I168416876","ror":"https://ror.org/01k44g025","display_name":"Northern Kentucky University","country_code":"US","type":"education","lineage":["https://openalex.org/I168416876"]}],"topics":[{"id":"https://openalex.org/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","count":4,"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/T11791","display_name":"Microbial Community Ecology and Physiology","count":3,"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/T10017","display_name":"Geology and Paleoclimatology Research","count":2,"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/T10029","display_name":"Climate variability and models","count":2,"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/T12832","display_name":"Biocrusts and Microbial Ecology","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T12832","display_name":"Biocrusts and Microbial Ecology","value":3.66e-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/T13490","display_name":"Aquatic Ecosystems and Biodiversity","value":1.68e-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/T12012","display_name":"Diatoms and Algae Research","value":1.49e-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/T11926","display_name":"Subterranean biodiversity and taxonomy","value":1.27e-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/T10236","display_name":"Aquatic Ecosystems and Phytoplankton Dynamics","value":9.7e-06,"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"}}],"x_concepts":[{"id":"2778902744","wikidata":"https://www.wikidata.org/wiki/Q162678","display_name":"Diatom","score":0.7804352641105652},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.3998471200466156},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.32704734802246094},{"id":"523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","score":0.2075558304786682},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.06615528464317322}],"counts_by_year":[{"year":1982,"works_count":1,"oa_works_count":1,"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":1,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":2},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["Mark A. Nienaber","Nienaber, Mark A."],"block_key":"m nienaber","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000858337","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}