Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2178579606', 'doi': 'https://doi.org/10.1016/0308-521x(82)90029-4', 'title': 'Nitrogen cycling in West African ecosystems', 'display_name': 'Nitrogen cycling in West African ecosystems', 'publication_year': 1982, 'publication_date': '1982-09-01', 'ids': {'openalex': 'https://openalex.org/W2178579606', 'doi': 'https://doi.org/10.1016/0308-521x(82)90029-4', 'mag': '2178579606'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0308-521x(82)90029-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157560195', 'display_name': 'Agricultural Systems', 'issn_l': '0308-521X', 'issn': ['0308-521X', '1873-2267'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3820, 'currency': 'USD', 'value_usd': 3820, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.426, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 76, 'citation_normalized_percentile': {'value': 0.608592, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 96, 'max': 97}, 'biblio': {'volume': '9', 'issue': '2', 'first_page': '155', 'last_page': '156'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T14468', 'display_name': 'Analysis of Land Cover and Ecosystems', 'score': 0.4621, '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'}}, 'topics': [{'id': 'https://openalex.org/T14468', 'display_name': 'Analysis of Land Cover and Ecosystems', 'score': 0.4621, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/cycling', 'display_name': 'Cycling', 'score': 0.8439268}, {'id': 'https://openalex.org/keywords/nitrogen-cycle', 'display_name': 'Nitrogen cycle', 'score': 0.5936804}, {'id': 'https://openalex.org/keywords/ecosystem', 'display_name': 'Ecosystem', 'score': 0.586086}, {'id': 'https://openalex.org/keywords/vegetation-analysis', 'display_name': 'Vegetation Analysis', 'score': 0.501603}], 'concepts': [{'id': 'https://openalex.org/C541528975', 'wikidata': 'https://www.wikidata.org/wiki/Q53121', 'display_name': 'Cycling', 'level': 2, 'score': 0.8439268}, {'id': 'https://openalex.org/C110872660', 'wikidata': 'https://www.wikidata.org/wiki/Q37813', 'display_name': 'Ecosystem', 'level': 2, 'score': 0.7201744}, {'id': 'https://openalex.org/C49045045', 'wikidata': 'https://www.wikidata.org/wiki/Q82551', 'display_name': 'Nitrogen cycle', 'level': 3, 'score': 0.5936804}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.46931195}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.46199515}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.32063454}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.23878515}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.09968886}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.09749797}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.09493321}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0308-521x(82)90029-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157560195', 'display_name': 'Agricultural Systems', 'issn_l': '0308-521X', 'issn': ['0308-521X', '1873-2267'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.61, 'id': 'https://metadata.un.org/sdg/2', 'display_name': 'Zero hunger'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3212244089', 'https://openalex.org/W3045759707', 'https://openalex.org/W3026735563', 'https://openalex.org/W3022078416', 'https://openalex.org/W3004907311', 'https://openalex.org/W2585489894', 'https://openalex.org/W2567776610', 'https://openalex.org/W2564270635', 'https://openalex.org/W2548439442', 'https://openalex.org/W2117948918', 'https://openalex.org/W2100412206', 'https://openalex.org/W2064627939', 'https://openalex.org/W2038622592', 'https://openalex.org/W2012456614', 'https://openalex.org/W1988888752', 'https://openalex.org/W1983990410', 'https://openalex.org/W1981977817', 'https://openalex.org/W1980841234', 'https://openalex.org/W1963992380', 'https://openalex.org/W1486202709'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2178579606', 'counts_by_year': [{'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-09-18T19:55:53.234716', 'created_date': '2016-06-24'}