{"created":"2023-06-19T08:45:40.754130+00:00","id":4242,"links":{},"metadata":{"_buckets":{"deposit":"a4bc5840-8f49-4b45-9bd4-398b81f98b49"},"_deposit":{"created_by":4,"id":"4242","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"4242"},"status":"published"},"_oai":{"id":"oai:kpu.repo.nii.ac.jp:00004242","sets":["47:267:362"]},"author_link":["6461","6462"],"control_number":"4242","item_1696926521561":{"attribute_name":"その他（別言語等）","attribute_value_mlt":[{"subitem_alternative_title":"Total pollen yield of whole Sugi (Cryptomeria japonica) forest stands within Kyoto Prefecture : an attempt to estimate the sum total for each year between 1997 and 2000","subitem_alternative_title_language":"en"}]},"item_3_biblio_info_12":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2001-12-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"116","bibliographicPageStart":"95","bibliographicVolumeNumber":"53","bibliographic_titles":[{"bibliographic_title":"京都府立大学学術報告. 人間環境学・農学","bibliographic_titleLang":"ja"},{"bibliographic_title":"The scientific reports of Kyoto Prefectural University. Human environment and agriculture","bibliographic_titleLang":"en"}]}]},"item_3_description_10":{"attribute_name":"抄録(日)","attribute_value_mlt":[{"subitem_description":"京都府相楽郡和束町湯船の約40年生スギ3林分および京都市北部の高齢スギ2林分において, 1997年～2000年までの花粉生産量をリタートラップ法で調査した。その結果をもとに, 京都府内全スギ林が生産した花粉総量(粒数)を試算した。計算方法は, （齢級別スギ林面積)×(各齢級の平均開花雄花数)×（雄花中の平均花粉数）である。花粉生産量は1997年の平作年から始まり, 凶作→平作→凶作と多い少ないを繰り返した。しかし, 高齢2林分では2000年の減少は認められなかった。大豊作1995年以降には未開花雄花の落下が増加傾向にある。これは雄花着花の過多が原因となる落花・落蕾, つまり中絶と考えられた。京都府内全スギ林68,666haが生産した花粉総量は1,250×10^<15>個(1997年・1999年)～134×10^<15>(1998年)の範囲と計算された。これらの花粉が土地面積全体460,780haに均一拡散したと仮定すると27,000/cm^2～2,900/cm^2となる。花粉生産量は膨大な数になるので,平作年のスギ花粉（250×10^3/cm^2）が10,000倍の土地に均一拡散したとき20～30/cm^2粒に達する。これは里山の代表種コナラやクリなど, 草本のセイタカアワダチソウでも全く同様の結果になる。開花期には, 様々な花粉が大量に群落周辺に四散しているのが自然の環境であり, このような環境にヒトは適応し繁栄してきたのである。","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_3_description_11":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"Pollen production rates during the period 1997-2000 were measured by the litter trap method in three approximately 40-year-old Sugi （Cryptpmeria japonica D. Don） stands in Wazuka-cho, southern Kyoto Prefecture, and two aged Sugi stands in northern Kyoto City. Based on these materials, we tried to calculate the total amount of Sugi pollen produced by all Sugi forests in Kyoto Prefecture. The calculation was done as : （land area of Sugi forests by stand age classes）×（average number of open male flowers per ha in each class）×（average number of pollen grains per male flower）. The pollen crop for stands about 40 yr old began with an average value in 1997,and changed to a bad crop （1998）, an average crop （1999）, and a bad crop （2000）. This year-to-year fluctuation reflected alternating years of pollen abundance and paucity. However, no decrease could be recognized in aged stands in 2000. The falling of immature male flowers in autumn increased after the great crop harvest of 1995. This seemed to be due to blossom fall or abortion of excessively produced flower buds.The total amount of pollen produced by all Sugi forests in Kyoto Prefecture was calculated to range from 1,250×10^<15> grains in 1997 and 1999 for an average crop to 134×10^<15> in 1998 for a bad one.If we assume that this pollen was uniformly spread within the whole 460,780-ha land area of Kyoto Prefecture, the figure would become 27,000-2,900 grains/cm^2.If 250×10^3 pollen grains/cm^2 or  25×10^ <12>/ha for an average crop year were uniformly spread over a land area 10,000 times greater, the distribution would be 20-30 grains/cm^2. These results are similar to those for other species with large pollen crops, such as Konara oak （Quercus serrata Thunb.） and Chestnut （Castanea crenata S. et Z.）, representative of countryside forests, and Tall Goldenrod （Solidago altissima L.）, a perennial herb usually observed in suburbs. Enormous numbers of pollen grains are scattered in and around plant communities in the natural environment. Humans have become adapted to such conditions from several thousand years ago when humans appeared.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_3_source_id_1":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA11189254","subitem_source_identifier_type":"NCID"}]},"item_3_source_id_20":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"13433954","subitem_source_identifier_type":"PISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"齋藤, 秀樹","creatorNameLang":"ja"},{"creatorName":"サイトウ, ヒデキ","creatorNameLang":"ja-Kana"},{"creatorName":"Saito, Hideki","creatorNameLang":"en"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"糟谷, 信彦","creatorNameLang":"ja"},{"creatorName":"カスヤ, ノブヒコ","creatorNameLang":"ja-Kana"},{"creatorName":"Kasuya, Nobuhiko","creatorNameLang":"en"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-02-20"}],"displaytype":"detail","filename":"KJ00000041195.pdf","filesize":[{"value":"1.8 MB"}],"format":"application/pdf","mimetype":"application/pdf","url":{"label":"KJ00000041195.pdf","url":"https://kpu.repo.nii.ac.jp/record/4242/files/KJ00000041195.pdf"},"version_id":"5d00b37e-f905-47a2-8337-6ee73b5ef41d"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"花粉粒","subitem_subject_language":"ja","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper"}]},"item_title":"京都府内全スギ林で生産されたスギ花粉総量はどれほどか : 1997 年-2000 年までの各年の総数試算","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"京都府内全スギ林で生産されたスギ花粉総量はどれほどか : 1997 年-2000 年までの各年の総数試算","subitem_title_language":"ja"}]},"item_type_id":"3","owner":"4","path":["362"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2017-02-20"},"publish_date":"2017-02-20","publish_status":"0","recid":"4242","relation_version_is_last":true,"title":["京都府内全スギ林で生産されたスギ花粉総量はどれほどか : 1997 年-2000 年までの各年の総数試算"],"weko_creator_id":"4","weko_shared_id":-1},"updated":"2024-03-01T04:44:58.615324+00:00"}