Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2249414182', 'doi': None, 'title': 'A Comparative Study of Plant Vitality Tests and Field Performance of Eleven Tree Species', 'display_name': 'A Comparative Study of Plant Vitality Tests and Field Performance of Eleven Tree Species', 'publication_year': 2000, 'publication_date': '2000-01-01', 'ids': {'openalex': 'https://openalex.org/W2249414182', 'mag': '2249414182'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/20013028924.html', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5043844980', 'display_name': 'K. Radoglou', 'orcid': 'https://orcid.org/0000-0002-5555-0582'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'K. Radoglou', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5073263746', 'display_name': 'Yannis Raftoyannis', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Y. Raftoyannis', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 2, 'citation_normalized_percentile': {'value': 0.382927, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 65, 'max': 69}, 'biblio': {'volume': '40', 'issue': '4', 'first_page': '163', 'last_page': '168'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12870', 'display_name': 'Restoration Techniques for Forest Ecosystems', 'score': 0.9998, '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'}}, 'topics': [{'id': 'https://openalex.org/T12870', 'display_name': 'Restoration Techniques for Forest Ecosystems', 'score': 0.9998, '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/T11880', 'display_name': 'Estimation of Forest Biomass and Carbon Stocks', 'score': 0.9966, '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/T12113', 'display_name': 'Plant Nutrition and Growth Optimization', 'score': 0.988, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant 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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/vitality', 'display_name': 'Vitality', 'score': 0.68214667}, {'id': 'https://openalex.org/keywords/tree-allometry', 'display_name': 'Tree Allometry', 'score': 0.564603}, {'id': 'https://openalex.org/keywords/tree-height-diameter-models', 'display_name': 'Tree Height-Diameter Models', 'score': 0.558268}, {'id': 'https://openalex.org/keywords/tree', 'display_name': 'Tree (set theory)', 'score': 0.5448118}, {'id': 'https://openalex.org/keywords/forest-site-productivity', 'display_name': 'Forest Site Productivity', 'score': 0.534388}, {'id': 'https://openalex.org/keywords/soil-fertility', 'display_name': 'Soil Fertility', 'score': 0.529871}, {'id': 'https://openalex.org/keywords/seedling-performance', 'display_name': 'Seedling Performance', 'score': 0.524091}], 'concepts': [{'id': 'https://openalex.org/C2779829227', 'wikidata': 'https://www.wikidata.org/wiki/Q7936872', 'display_name': 'Vitality', 'level': 2, 'score': 0.68214667}, {'id': 'https://openalex.org/C113174947', 'wikidata': 'https://www.wikidata.org/wiki/Q2859736', 'display_name': 'Tree (set theory)', 'level': 2, 'score': 0.5448118}, {'id': 'https://openalex.org/C9652623', 'wikidata': 'https://www.wikidata.org/wiki/Q190109', 'display_name': 'Field (mathematics)', 'level': 2, 'score': 0.52936935}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.43129995}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.34378114}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.3361925}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.27321672}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.16036424}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/20013028924.html', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.5, 'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 8, 'referenced_works': ['https://openalex.org/W1235707306', 'https://openalex.org/W1992591429', 'https://openalex.org/W1992708498', 'https://openalex.org/W2020619321', 'https://openalex.org/W2094019863', 'https://openalex.org/W2162714595', 'https://openalex.org/W2312456405', 'https://openalex.org/W343487113'], 'related_works': ['https://openalex.org/W808681066', 'https://openalex.org/W347612495', 'https://openalex.org/W3201212870', 'https://openalex.org/W313058991', 'https://openalex.org/W3048920592', 'https://openalex.org/W304326809', 'https://openalex.org/W2560298313', 'https://openalex.org/W254865599', 'https://openalex.org/W2333485190', 'https://openalex.org/W226616770', 'https://openalex.org/W223392956', 'https://openalex.org/W2218408585', 'https://openalex.org/W221186508', 'https://openalex.org/W2153864447', 'https://openalex.org/W2136877604', 'https://openalex.org/W212321630', 'https://openalex.org/W1825978915', 'https://openalex.org/W1476404241', 'https://openalex.org/W1438348968', 'https://openalex.org/W1041753723'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2249414182', 'counts_by_year': [{'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-09-15T18:08:58.772836', 'created_date': '2016-06-24'}