Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2096487803', 'doi': 'https://doi.org/10.5194/bg-8-2099-2011', 'title': "Inventory-based estimation of aboveground net primary production in Japan's forests from 1980 to 2005", 'display_name': "Inventory-based estimation of aboveground net primary production in Japan's forests from 1980 to 2005", 'publication_year': 2011, 'publication_date': '2011-08-04', 'ids': {'openalex': 'https://openalex.org/W2096487803', 'doi': 'https://doi.org/10.5194/bg-8-2099-2011', 'mag': '2096487803'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.5194/bg-8-2099-2011', 'pdf_url': 'https://bg.copernicus.org/articles/8/2099/2011/bg-8-2099-2011.pdf', 'source': {'id': 'https://openalex.org/S13442111', 'display_name': 'Biogeosciences', 'issn_l': '1726-4170', 'issn': ['1726-4170', '1726-4189'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313756', 'host_organization_name': 'Copernicus Publications', 'host_organization_lineage': ['https://openalex.org/P4310313756'], 'host_organization_lineage_names': ['Copernicus Publications'], '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'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://bg.copernicus.org/articles/8/2099/2011/bg-8-2099-2011.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5086497023', 'display_name': 'Yin Wang', 'orcid': 'https://orcid.org/0000-0002-1563-5725'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}, {'id': 'https://openalex.org/I74801974', 'display_name': 'The University of Tokyo', 'ror': 'https://ror.org/057zh3y96', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I74801974']}], 'countries': ['CN', 'JP'], 'is_corresponding': False, 'raw_author_name': 'Y. Wang', 'raw_affiliation_strings': ['Department of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China', 'now at: Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo 113–0033, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China', 'institution_ids': ['https://openalex.org/I20231570']}, {'raw_affiliation_string': 'now at: Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo 113–0033, Japan', 'institution_ids': ['https://openalex.org/I74801974']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040539227', 'display_name': 'Jinwei Fang', 'orcid': 'https://orcid.org/0000-0002-1033-785X'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'J. Y. Fang', 'raw_affiliation_strings': ['Department of Ecology, College of Urban and Environmental Sciences and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Ecology, College of Urban and Environmental Sciences and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China.', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5002397985', 'display_name': 'Tomomichi Kato', 'orcid': 'https://orcid.org/0000-0003-3757-3243'}, 'institutions': [{'id': 'https://openalex.org/I1315852903', 'display_name': 'Japan Agency for Marine-Earth Science and Technology', 'ror': 'https://ror.org/059qg2m13', 'country_code': 'JP', 'type': 'facility', 'lineage': ['https://openalex.org/I1315852903']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'T. Kato', 'raw_affiliation_strings': ['Research Institute for Global Change Japan Agency for Marine‐Earth Science and Technology Yokohama Kanagawa 236‐0001 Japan'], 'affiliations': [{'raw_affiliation_string': 'Research Institute for Global Change Japan Agency for Marine‐Earth Science and Technology Yokohama Kanagawa 236‐0001 Japan', 'institution_ids': ['https://openalex.org/I1315852903']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5052662625', 'display_name': 'Zhaodi Guo', 'orcid': 'https://orcid.org/0000-0001-7020-8147'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Z. D. Guo', 'raw_affiliation_strings': ['Department of Ecology, College of Urban and Environmental Sciences and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Ecology, College of Urban and Environmental Sciences and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China.', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5020840825', 'display_name': 'Biao Zhu', 'orcid': 'https://orcid.org/0000-0001-9858-7943'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}, {'id': 'https://openalex.org/I185103710', 'display_name': 'University of California, Santa Cruz', 'ror': 'https://ror.org/03s65by71', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I185103710']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'B. Zhu', 'raw_affiliation_strings': ['Department of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China', 'now at: Department of Environmental Studies, University of California, Santa Cruz, California 95064, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Ecology, College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China', 'institution_ids': ['https://openalex.org/I20231570']}, {'raw_affiliation_string': 'now at: Department of Environmental Studies, University of California, Santa Cruz, California 95064, USA', 'institution_ids': ['https://openalex.org/I185103710']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5108469285', 'display_name': 'W. H. Mo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210113282', 'display_name': 'National Institute for Agro-Environmental Sciences', 'ror': 'https://ror.org/023kfg220', 'country_code': 'JP', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1323638106', 'https://openalex.org/I4210113282']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'W. H. Mo', 'raw_affiliation_strings': ['National Institute for Agro-Environmental Sciences, Tsukuba, Ibaraki 305–8604, Japan'], 'affiliations': [{'raw_affiliation_string': 'National Institute for Agro-Environmental Sciences, Tsukuba, Ibaraki 305–8604, Japan', 'institution_ids': ['https://openalex.org/I4210113282']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5061276791', 'display_name': 'Yanhong Tang', 'orcid': 'https://orcid.org/0000-0001-7207-1965'}, 'institutions': [{'id': 'https://openalex.org/I200202764', 'display_name': 'National Institute for Environmental Studies', 'ror': 'https://ror.org/02hw5fp67', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I200202764']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Y. H. Tang', 'raw_affiliation_strings': ['National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan#TAB#'], 'affiliations': [{'raw_affiliation_string': 'National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan#TAB#', 'institution_ids': ['https://openalex.org/I200202764']}]}], 'institution_assertions': [], 'countries_distinct_count': 3, 'institutions_distinct_count': 6, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 1510, 'currency': 'EUR', 'value_usd': 1628, 'provenance': 'doaj'}, 'apc_paid': {'value': 1510, 'currency': 'EUR', 'value_usd': 1628, 'provenance': 'doaj'}, 'fwci': 0.896, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 10, 'citation_normalized_percentile': {'value': 0.727438, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 85, 'max': 86}, 'biblio': {'volume': '8', 'issue': '8', 'first_page': '2099', 'last_page': '2106'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11164', 'display_name': 'Remote Sensing and LiDAR Applications', 'score': 0.9988, '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'}}, 'topics': [{'id': 'https://openalex.org/T11164', 'display_name': 'Remote Sensing and LiDAR Applications', 'score': 0.9988, '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/T11880', 'display_name': 'Forest ecology and management', 'score': 0.9986, '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/T10111', 'display_name': 'Remote Sensing in Agriculture', 'score': 0.9976, '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/carbon-sink', 'display_name': 'Carbon sink', 'score': 0.73697186}, {'id': 'https://openalex.org/keywords/sink', 'display_name': 'Sink (geography)', 'score': 0.48814353}, {'id': 'https://openalex.org/keywords/forest-inventory', 'display_name': 'Forest Inventory', 'score': 0.47274718}], 'concepts': [{'id': 'https://openalex.org/C24717449', 'wikidata': 'https://www.wikidata.org/wiki/Q515905', 'display_name': 'Primary production', 'level': 3, 'score': 0.91657376}, {'id': 'https://openalex.org/C149677717', 'wikidata': 'https://www.wikidata.org/wiki/Q5611523', 'display_name': 'Carbon sink', 'level': 3, 'score': 0.73697186}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.7151377}, {'id': 'https://openalex.org/C122523270', 'wikidata': 'https://www.wikidata.org/wiki/Q34027', 'display_name': 'Latitude', 'level': 2, 'score': 0.53151476}, {'id': 'https://openalex.org/C143050476', 'wikidata': 'https://www.wikidata.org/wiki/Q194502', 'display_name': 'Sink (geography)', 'level': 2, 'score': 0.48814353}, {'id': 'https://openalex.org/C147103442', 'wikidata': 'https://www.wikidata.org/wiki/Q1423188', 'display_name': 'Forest inventory', 'level': 3, 'score': 0.47274718}, {'id': 'https://openalex.org/C91586092', 'wikidata': 'https://www.wikidata.org/wiki/Q757520', 'display_name': 'Atmospheric sciences', 'level': 1, 'score': 0.42842326}, {'id': 'https://openalex.org/C6939412', 'wikidata': 'https://www.wikidata.org/wiki/Q167751', 'display_name': 'Carbon cycle', 'level': 3, 'score': 0.41984284}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.41623297}, {'id': 'https://openalex.org/C100970517', 'wikidata': 'https://www.wikidata.org/wiki/Q52107', 'display_name': 'Physical geography', 'level': 1, 'score': 0.3692789}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.33129805}, {'id': 'https://openalex.org/C132651083', 'wikidata': 'https://www.wikidata.org/wiki/Q7942', 'display_name': 'Climate change', 'level': 2, 'score': 0.31521374}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.23662251}, {'id': 'https://openalex.org/C54286561', 'wikidata': 'https://www.wikidata.org/wiki/Q397350', 'display_name': 'Agroforestry', 'level': 1, 'score': 0.2362172}, {'id': 'https://openalex.org/C28631016', 'wikidata': 'https://www.wikidata.org/wiki/Q372561', 'display_name': 'Forest management', 'level': 2, 'score': 0.17512548}, {'id': 'https://openalex.org/C110872660', 'wikidata': 'https://www.wikidata.org/wiki/Q37813', 'display_name': 'Ecosystem', 'level': 2, 'score': 0.16939071}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.13415724}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.06526098}, {'id': 'https://openalex.org/C58640448', 'wikidata': 'https://www.wikidata.org/wiki/Q42515', 'display_name': 'Cartography', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C13280743', 'wikidata': 'https://www.wikidata.org/wiki/Q131089', 'display_name': 'Geodesy', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.5194/bg-8-2099-2011', 'pdf_url': 'https://bg.copernicus.org/articles/8/2099/2011/bg-8-2099-2011.pdf', 'source': {'id': 'https://openalex.org/S13442111', 'display_name': 'Biogeosciences', 'issn_l': '1726-4170', 'issn': ['1726-4170', '1726-4189'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313756', 'host_organization_name': 'Copernicus Publications', 'host_organization_lineage': ['https://openalex.org/P4310313756'], 'host_organization_lineage_names': ['Copernicus Publications'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://doi.org/10.5194/bgd-8-1463-2011', 'pdf_url': 'https://doi.org/10.5194/bgd-8-1463-2011', 'source': None, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.5194/bg-8-2099-2011', 'pdf_url': 'https://bg.copernicus.org/articles/8/2099/2011/bg-8-2099-2011.pdf', 'source': {'id': 'https://openalex.org/S13442111', 'display_name': 'Biogeosciences', 'issn_l': '1726-4170', 'issn': ['1726-4170', '1726-4189'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313756', 'host_organization_name': 'Copernicus Publications', 'host_organization_lineage': ['https://openalex.org/P4310313756'], 'host_organization_lineage_names': ['Copernicus Publications'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.59, 'display_name': 'Life on land', 'id': 'https://metadata.un.org/sdg/15'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 26, 'referenced_works': ['https://openalex.org/W1498265525', 'https://openalex.org/W1525882651', 'https://openalex.org/W1543163908', 'https://openalex.org/W1555156827', 'https://openalex.org/W1574679676', 'https://openalex.org/W1936870726', 'https://openalex.org/W1967631019', 'https://openalex.org/W1992177424', 'https://openalex.org/W2007468519', 'https://openalex.org/W2034672914', 'https://openalex.org/W2034738169', 'https://openalex.org/W2046865483', 'https://openalex.org/W2060046545', 'https://openalex.org/W2078829925', 'https://openalex.org/W2088524996', 'https://openalex.org/W2091274286', 'https://openalex.org/W2094876857', 'https://openalex.org/W2103496719', 'https://openalex.org/W2120597179', 'https://openalex.org/W2141112413', 'https://openalex.org/W2147658171', 'https://openalex.org/W2156842889', 'https://openalex.org/W2166378666', 'https://openalex.org/W2175587221', 'https://openalex.org/W2317061597', 'https://openalex.org/W4230083568'], 'related_works': ['https://openalex.org/W4323316861', 'https://openalex.org/W3182667660', 'https://openalex.org/W3162864995', 'https://openalex.org/W2572951874', 'https://openalex.org/W2363223295', 'https://openalex.org/W2352960281', 'https://openalex.org/W2053021246', 'https://openalex.org/W1983503361', 'https://openalex.org/W1823741258', 'https://openalex.org/W134735986'], 'abstract_inverted_index': {'Abstract.': [0], 'Recent': [1], 'studies': [2], 'based': [3, 50], 'on': [4, 51], 'remote': [5], 'sensing': [6], 'and': [7, 22, 85, 111, 144, 175], 'carbon': [8, 40], 'process': [9], 'models': [10], 'have': [11], 'revealed': [12], 'that': [13], 'terrestrial': [14, 39], 'net': [15, 136], 'primary': [16], 'production': [17], '(NPP)': [18], 'in': [19, 42, 67, 141, 147], 'the': [20, 26, 37, 43, 64, 114, 128, 132, 135, 171, 176], 'middle': [21], 'high': [23], 'latitudes': [24], 'of': [25, 104, 138, 155, 173, 180], 'Northern': [27], 'Hemisphere': [28], 'has': [29, 56, 150], 'increased': [30, 38, 139], 'significantly;': [31], 'this': [32, 60], 'is': [33], 'crucial': [34], 'for': [35, 71, 92, 113], 'explaining': [36], 'sink': [41], 'past': [44], 'several': [45], 'decades.': [46], 'Regional': [47], 'NPP': [48, 69], 'estimation': [49], 'significant': [52], 'field': [53, 83], 'data,': [54, 81], 'however,': [55], 'been': [57], 'rare.': [58], 'In': [59], 'study,': [61], 'we': [62], 'estimated': [63], 'long-term': [65], 'changes': [66], 'aboveground': [68], '(ANPP)': [70], "Japan's": [72], 'forests': [73, 143, 149], 'from': [74], '1980': [75], 'to': [76, 106, 123, 152, 170], '2005': [77], 'using': [78], 'forest': [79, 94], 'inventory': [80], 'direct': [82], 'measurements,': [84], 'an': [86, 153], 'allometric': [87], 'method.': [88], 'The': [89], 'overall': [90], 'ANPP': [91, 112, 140, 146], 'all': [93], 'types': [95], 'averaged': [96], '10.5': [97], 'Mg': [98, 108, 157], 'ha−1': [99, 109, 158], 'yr−1,': [100, 110], 'with': [101], 'a': [102], 'range': [103], '9.6': [105], '11.5': [107], 'whole': [115], 'country': [116], 'totaled': [117], '249.1': [118], 'Tg': [119, 125], 'yr−1': [120, 159], '(range:': [121], '230.0': [122], '271.4': [124], 'yr−1)': [126], 'during': [127], 'study': [129], 'period.': [130], 'Over': [131], '25': [133], 'years,': [134], 'effect': [137], 'needle-leaf': [142], 'decreased': [145], 'broadleaf': [148], 'led': [151], 'increase': [154, 165], '1.9': [156], '(i.e.,': [160], '0.79': [161], '%': [162], 'yr−1).': [163], 'This': [164], 'may': [166], 'be': [167], 'mainly': [168], 'due': [169], 'establishment': [172], 'plantations': [174], 'rapid': [177], 'early': [178], 'growth': [179], 'these': [181], 'planted': [182], 'forests.': [183]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2096487803', 'counts_by_year': [{'year': 2020, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-10T20:33:53.793368', 'created_date': '2016-06-24'}