Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2072603467', 'doi': 'https://doi.org/10.1590/s1984-46702013000200002', 'title': 'Reproductive biology of the coypu, Myocastor coypus (Rodentia: Myocastoridae) in western Japan', 'display_name': 'Reproductive biology of the coypu, Myocastor coypus (Rodentia: Myocastoridae) in western Japan', 'publication_year': 2013, 'publication_date': '2013-04-01', 'ids': {'openalex': 'https://openalex.org/W2072603467', 'doi': 'https://doi.org/10.1590/s1984-46702013000200002', 'mag': '2072603467'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1590/s1984-46702013000200002', 'pdf_url': 'https://www.scielo.br/j/zool/a/GHWJ6rPDJqbQG63VGyTzXHF/?lang=en&format=pdf', 'source': {'id': 'https://openalex.org/S98049309', 'display_name': 'Zoologia (Curitiba)', 'issn_l': '1984-4670', 'issn': ['1984-4670', '1984-4689'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310321056', 'host_organization_name': 'Pensoft Publishers', 'host_organization_lineage': ['https://openalex.org/P4310321056'], 'host_organization_lineage_names': ['Pensoft Publishers'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.scielo.br/j/zool/a/GHWJ6rPDJqbQG63VGyTzXHF/?lang=en&format=pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5048098039', 'display_name': 'Iori Runami', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4588055', 'display_name': 'Tottori University', 'ror': 'https://ror.org/024yc3q36', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I4588055']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Iori Runami', 'raw_affiliation_strings': ['Tottori University Tottori, Japan'], 'affiliations': [{'raw_affiliation_string': 'Tottori University Tottori, Japan', 'institution_ids': ['https://openalex.org/I4588055']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5039490265', 'display_name': 'Yousuke Gunji', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4588055', 'display_name': 'Tottori University', 'ror': 'https://ror.org/024yc3q36', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I4588055']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yousuke Gunji', 'raw_affiliation_strings': ['Tottori University Tottori, Japan'], 'affiliations': [{'raw_affiliation_string': 'Tottori University Tottori, Japan', 'institution_ids': ['https://openalex.org/I4588055']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086925809', 'display_name': 'Mitsugu HISHINUMA', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4588055', 'display_name': 'Tottori University', 'ror': 'https://ror.org/024yc3q36', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I4588055']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mitsugu Hishinuma', 'raw_affiliation_strings': ['Tottori University Tottori, Japan'], 'affiliations': [{'raw_affiliation_string': 'Tottori University Tottori, Japan', 'institution_ids': ['https://openalex.org/I4588055']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5015079423', 'display_name': 'Masashi Nagano', 'orcid': 'https://orcid.org/0000-0002-1890-6842'}, 'institutions': [{'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masashi Nagano', 'raw_affiliation_strings': ['Hokkaido Univ., Sapporo, Japan.'], 'affiliations': [{'raw_affiliation_string': 'Hokkaido Univ., Sapporo, Japan.', 'institution_ids': ['https://openalex.org/I205349734']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086178473', 'display_name': 'Tatsuyuki Takada', 'orcid': 'https://orcid.org/0000-0002-6967-7402'}, 'institutions': [{'id': 'https://openalex.org/I135768898', 'display_name': 'Ritsumeikan University', 'ror': 'https://ror.org/0197nmd03', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I135768898', 'https://openalex.org/I4390039241']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Tatsuyuki Takada', 'raw_affiliation_strings': ['[Ritsumeikan University, Kusatsu, Japan]'], 'affiliations': [{'raw_affiliation_string': '[Ritsumeikan University, Kusatsu, Japan]', 'institution_ids': ['https://openalex.org/I135768898']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5061992702', 'display_name': 'Shogo Higaki', 'orcid': 'https://orcid.org/0000-0002-5595-6750'}, 'institutions': [{'id': 'https://openalex.org/I135768898', 'display_name': 'Ritsumeikan University', 'ror': 'https://ror.org/0197nmd03', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I135768898', 'https://openalex.org/I4390039241']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Shogo Higaki', 'raw_affiliation_strings': ['[Ritsumeikan University, Kusatsu, Japan]'], 'affiliations': [{'raw_affiliation_string': '[Ritsumeikan University, Kusatsu, Japan]', 'institution_ids': ['https://openalex.org/I135768898']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 250, 'currency': 'USD', 'value_usd': 250, 'provenance': 'doaj'}, 'apc_paid': {'value': 250, 'currency': 'USD', 'value_usd': 250, 'provenance': 'doaj'}, 'fwci': 0.241, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 6, 'citation_normalized_percentile': {'value': 0.630713, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 81, 'max': 83}, 'biblio': {'volume': '30', 'issue': '2', 'first_page': '130', 'last_page': '134'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10199', 'display_name': 'Wildlife Ecology and Conservation', 'score': 0.9999, '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/T10199', 'display_name': 'Wildlife Ecology and Conservation', 'score': 0.9999, '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/T11913', 'display_name': 'Animal Ecology and Behavior Studies', 'score': 0.9989, '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/T10699', 'display_name': 'Primate Behavior and Ecology', 'score': 0.9964, 'subfield': {'id': 'https://openalex.org/subfields/3207', 'display_name': 'Social Psychology'}, 'field': {'id': 'https://openalex.org/fields/32', 'display_name': 'Psychology'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/litter', 'display_name': 'Litter', 'score': 0.6866545}, {'id': 'https://openalex.org/keywords/sexual-maturity', 'display_name': 'Sexual maturity', 'score': 0.6538741}], 'concepts': [{'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.9031203}, {'id': 'https://openalex.org/C2779429622', 'wikidata': 'https://www.wikidata.org/wiki/Q1780867', 'display_name': 'Litter', 'level': 2, 'score': 0.6866545}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.66633505}, {'id': 'https://openalex.org/C192536144', 'wikidata': 'https://www.wikidata.org/wiki/Q609370', 'display_name': 'Sexual maturity', 'level': 2, 'score': 0.6538741}, {'id': 'https://openalex.org/C90856448', 'wikidata': 'https://www.wikidata.org/wiki/Q431', 'display_name': 'Zoology', 'level': 1, 'score': 0.568853}, {'id': 'https://openalex.org/C59659247', 'wikidata': 'https://www.wikidata.org/wiki/Q11990', 'display_name': 'Reproduction', 'level': 2, 'score': 0.5317501}, {'id': 'https://openalex.org/C57520943', 'wikidata': 'https://www.wikidata.org/wiki/Q1068155', 'display_name': 'Sex ratio', 'level': 3, 'score': 0.50057507}, {'id': 'https://openalex.org/C519853106', 'wikidata': 'https://www.wikidata.org/wiki/Q3640158', 'display_name': 'Reproductive biology', 'level': 4, 'score': 0.45394683}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.36606067}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, 'score': 0.2879874}, {'id': 'https://openalex.org/C2779234561', 'wikidata': 'https://www.wikidata.org/wiki/Q11995', 'display_name': 'Pregnancy', 'level': 2, 'score': 0.1307792}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C2776659692', 'wikidata': 'https://www.wikidata.org/wiki/Q719426', 'display_name': 'Lactation', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1590/s1984-46702013000200002', 'pdf_url': 'https://www.scielo.br/j/zool/a/GHWJ6rPDJqbQG63VGyTzXHF/?lang=en&format=pdf', 'source': {'id': 'https://openalex.org/S98049309', 'display_name': 'Zoologia (Curitiba)', 'issn_l': '1984-4670', 'issn': ['1984-4670', '1984-4689'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310321056', 'host_organization_name': 'Pensoft Publishers', 'host_organization_lineage': ['https://openalex.org/P4310321056'], 'host_organization_lineage_names': ['Pensoft Publishers'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/b353fe3092da44ab83db4746b2217920', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1590/s1984-46702013000200002', 'pdf_url': 'https://www.scielo.br/j/zool/a/GHWJ6rPDJqbQG63VGyTzXHF/?lang=en&format=pdf', 'source': {'id': 'https://openalex.org/S98049309', 'display_name': 'Zoologia (Curitiba)', 'issn_l': '1984-4670', 'issn': ['1984-4670', '1984-4689'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310321056', 'host_organization_name': 'Pensoft Publishers', 'host_organization_lineage': ['https://openalex.org/P4310321056'], 'host_organization_lineage_names': ['Pensoft Publishers'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Climate action', 'score': 0.7, 'id': 'https://metadata.un.org/sdg/13'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 21, 'referenced_works': ['https://openalex.org/W1572272830', 'https://openalex.org/W1979512333', 'https://openalex.org/W2028115118', 'https://openalex.org/W2062759117', 'https://openalex.org/W2089872592', 'https://openalex.org/W2113449149', 'https://openalex.org/W2121024270', 'https://openalex.org/W2148368606', 'https://openalex.org/W2160700341', 'https://openalex.org/W2168633269', 'https://openalex.org/W2171464565', 'https://openalex.org/W2313143339', 'https://openalex.org/W2334744354', 'https://openalex.org/W2335704593', 'https://openalex.org/W2621441793', 'https://openalex.org/W3036383780', 'https://openalex.org/W3931696', 'https://openalex.org/W41480444', 'https://openalex.org/W4231471834', 'https://openalex.org/W4319587883', 'https://openalex.org/W70563783'], 'related_works': ['https://openalex.org/W3048293634', 'https://openalex.org/W2470944424', 'https://openalex.org/W2460611065', 'https://openalex.org/W2186965122', 'https://openalex.org/W2122568267', 'https://openalex.org/W2090925275', 'https://openalex.org/W2077239599', 'https://openalex.org/W2055929695', 'https://openalex.org/W2048131499', 'https://openalex.org/W2045694926'], 'abstract_inverted_index': {'We': [0], 'describe': [1], 'the': [2, 6, 27, 43, 53, 80, 107, 123, 145, 151, 168, 172, 186, 190], 'reproductive': [3, 183], 'biology': [4], 'of': [5, 26, 32, 77, 94, 103, 171, 185, 193], 'coypu,': [7], 'Myocastor': [8], 'coypus': [9], '(Molina,': [10], '1782),': [11], 'in': [12, 42, 106, 125, 148, 150, 167, 189], 'western': [13, 108, 194], 'Japan,': [14], 'as': [15], 'an': [16, 21], 'attempt': [17], 'to': [18, 20, 49, 159, 176], 'contribute': [19], 'efficient': [22], 'population': [23, 110, 124, 174, 188], 'control': [24], 'program': [25], 'coypu': [28, 173], 'population.': [29], 'A': [30], 'total': [31], '212': [33], 'specimens': [34], '(113': [35], 'males': [36, 68], 'and': [37, 60, 69, 118, 132], '99': [38], 'females)': [39], 'were': [40, 87], 'collected': [41], 'Tottori': [44], 'prefecture': [45], 'from': [46], 'February': [47], '2010': [48], 'January': [50], '2012.': [51], 'From': [52], 'age': [54], 'estimation': [55], 'based': [56], 'on': [57], 'body': [58], 'weight': [59], 'molar': [61], 'eruption': [62], 'pattern,': [63], 'we': [64], 'determined': [65], 'that': [66, 144, 162], 'both': [67], 'females': [70, 83], 'reach': [71], 'sexual': [72, 104], 'maturity': [73, 105], 'at': [74], '4-6': [75], 'months': [76], 'age.': [78], 'Of': [79], '72': [81], 'mature': [82, 163], 'examined,': [84], '60': [85], '(83.3%)': [86], 'pregnant,': [88], 'with': [89, 116], 'a': [90], 'mean': [91], 'litter': [92, 134], 'size': [93], '6.5': [95], '±': [96, 99], '2.4': [97], '(mean': [98], 'SE).': [100], 'The': [101, 180], 'onset': [102], 'Japanese': [109], 'was': [111], 'relatively': [112, 128, 181], 'earlier': [113], 'when': [114, 199], 'compared': [115], 'indigenous': [117], 'other': [119], 'introduced': [120], 'populations.': [121], 'Furthermore,': [122], 'Japan': [126, 149, 195], 'had': [127], 'higher': [129], 'pregnancy': [130], 'rates': [131], 'larger': [133], 'sizes,': [135], 'without': [136], 'obvious': [137], 'seasonal': [138], 'fluctuation.': [139], 'These': [140], 'observations': [141], 'may': [142], 'imply': [143], 'hunting': [146], 'pressure': [147], 'past': [152], '50': [153], 'years': [154], 'has': [155], 'been': [156], 'strong': [157], 'enough': [158], 'select': [160], 'individuals': [161], 'earlier;': [164], 'however,': [165], 'nothing': [166], 'present': [169, 187], 'habitat': [170], 'seems': [175], 'be': [177, 197], 'limiting': [178], 'reproduction.': [179], 'high': [182], 'potential': [184], 'mild': [191], 'climate': [192], 'must': [196], 'considered': [198], 'determining': [200], 'appropriate': [201], 'management': [202], 'measures': [203], 'for': [204], 'this': [205], 'species.': [206]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2072603467', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}], 'updated_date': '2024-12-08T19:39:00.704456', 'created_date': '2016-06-24'}