{"_buckets": {"deposit": "d90b02e3-62d6-4886-9b73-7b47d53dcaf7"}, "_deposit": {"id": "2001458", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "2001458"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:02001458", "sets": []}, "author_link": [], "control_number": "2001458", "item_1615768549627": {"attribute_name": "\u51fa\u7248\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Findings on vegetation changes in the Ishikari Lowland, Hokkaido, from pollen analysis and AMS14C dating", "subitem_alternative_title_language": "en"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2021-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "22", "bibliographicPageStart": "12", "bibliographicVolumeNumber": "5", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u7814\u7a76", "bibliographic_titleLang": "ja"}, {"bibliographic_title": "The Nagoya University bulletin of chronological research", "bibliographic_titleLang": "en"}]}]}, "item_9_description_4": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "The 10.2 m core sample collected from the Higashinopporo Wetland, the east side of the Nopporo Hills in the central part of the Ishikari Plain, in 1997 has shown the presence of temperate deciduous broad-leaved forests and the continuous appearance of a small amount of Fagus crenata pollen. The authors collected the surface soil and conducted pollen analysis at 30 survey points set in 2020 within a range of 7 km east-west and 6 km northsouth from the three planted Fagus crenata parent tree groups in the Higashi-Nopporo Wetland region. The result indicates that fallen Fagus crenata pollen was confirmed at an appearance ratio of nearly 20% below the crown of the trees, while the ratio was just 0-1% in the south-west direction. The authors reconsidered the survey results obtained from a pollen analysis on the Oxygen Isotope Stage 5e, which was conducted in 1970, when almost a whole fossil of Palaeoloxodon naumanni was excavated in Churui, the Tokachi Plain, the eastern part of Hokkaido. The research has proven that the elephants lived in the period when the climate was warmer than now by 11 degrees or more Celsius and temperate deciduous broad-leaved forests prospered. Sedimentation in peat stratum in the Higashinopporo Wetland began in mean 5917\u00b146 calBP, 1\u03c3 (NUTA2-27702), which nearly corresponded to the height of Holocene glacial retreat period, around 6,000 years ago.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}, {"subitem_description": 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