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of Heritera littoralis, natural colonies, which were discovered at the foot of Mt. Omoto on Ishigaki Island, and the vegetation at sites of its growth were studied as part of research concerning the exploration, collection, preservation, and proliferation of rare plants in subtropical forest of Okinawa. The following results were obtained. Heritiera littoralis is usually distributed in mangrove swamps and coastal areas. However, it was found to be distributed also along the streams in Sokobaru (altitude 50-80) upstream of the Miyara River at the foot of Mt. Omoto, Ishigaki Island. Heritiera littoralis at the foot of Mt. Omoto was distributed along the stream mostly in gravel deposits. To date, 174 growths of Heritera littoralis have been confirmed in the entire river basin, and 5 of them were damaged. Also, 10 stumps have been confirmed. Three growth of Heritera littoralis estimated to be the oldest in the river basin have been identified. One was growing intact, but the other two were cut at a high of 1.70m from the ground. One them were dead, and the other was budding. Heritiera littoralis was dominat in the tree layer of two stands, which was chracteristic vegetation consist of many species in the forest of back mangrove and inland. It showed some considerations on the cause where the stand had grown at the foot of Mt. Omoto, it should be studied in future. The colonies of Heritiera littoralis at the foot of Mt. Omoto grew at a higher attitude than the colonies in Komi, Iriomote Island. Therefore, the processes of their distribution and formation of forest stands are extremely interesting, and further studies on the dynamics of their changes are needed. Since Heritera littoralis at the foot of Mt. Omoto on Ishigaki Island shows unique inland distribution, it should be designated as a natural treasure of Ishigaki City. It should further be designated as a natural treasure of the nation similarly to Heritiera littoralis of Okinawa Prefecture or Iriomote Island.", "subitem_description_type": "Other"}, {"subitem_description": "\u7d00\u8981\u8ad6\u6587", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8"}]}, "item_1617186702042": {"attribute_name": "Language", "attribute_value_mlt": [{"subitem_1551255818386": "jpn"}]}, "item_1617186783814": {"attribute_name": "Identifier", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/20.500.12000/3429"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "ISSN", "subitem_1522646572813": "0370-4246"}, {"subitem_1522646500366": "NCID", "subitem_1522646572813": "AN00250548"}]}, "item_1617186941041": {"attribute_name": "Source Title", "attribute_value_mlt": [{"subitem_1522650068558": "ja", "subitem_1522650091861": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8\u5b66\u8853\u5831\u544a"}, {"subitem_1522650068558": "en", "subitem_1522650091861": "The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus"}]}, "item_1617187056579": {"attribute_name": "Bibliographic Information", "attribute_value_mlt": [{"bibliographicIssueNumber": "47", "bibliographicPageEnd": "171", "bibliographicPageStart": "159"}]}, "item_1617258105262": {"attribute_name": "Resource Type", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_1617265215918": {"attribute_name": "Version Type", "attribute_value_mlt": [{"subitem_1522305645492": "VoR", "subitem_1600292170262": "http://purl.org/coar/version/c_970fb48d4fbd8a85"}]}, "item_1617605131499": {"attribute_name": "File", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "download_preview_message": "", "file_order": 0, "filename": "KJ00000161909.pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "", "size": 0, "url": {"objectType": "fulltext", "url": "https://u-ryukyu.repo.nii.ac.jp/record/2002592/files/KJ00000161909.pdf"}, "version_id": "135411bf-7e34-405e-82c4-ae504b8cb970"}]}, "item_title": "\u4e9c\u71b1\u5e2f\u6c96\u7e04\u306b\u304a\u3051\u308b\u5929\u7136\u6797\u306e\u8cc7\u6e90\u690d\u7269\u5b66\u7684\u7814\u7a76 (V) : \u77f3\u57a3\u5cf6\u65bc\u8302\u767b\u5cb3\u5c71\u9e93\u306e\u30b5\u30ad\u30b7\u30de\u30b9\u30aa\u30a6\u30ce\u30ad\u306b\u3064\u3044\u3066", "item_type_id": "15", "owner": "1", "path": ["1642837921429", "1642838407312"], "permalink_uri": "http://hdl.handle.net/20.500.12000/3429", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-02-08"}, "publish_date": "2008-02-08", "publish_status": "0", "recid": "2002592", "relation": {}, "relation_version_is_last": true, "title": ["\u4e9c\u71b1\u5e2f\u6c96\u7e04\u306b\u304a\u3051\u308b\u5929\u7136\u6797\u306e\u8cc7\u6e90\u690d\u7269\u5b66\u7684\u7814\u7a76 (V) : \u77f3\u57a3\u5cf6\u65bc\u8302\u767b\u5cb3\u5c71\u9e93\u306e\u30b5\u30ad\u30b7\u30de\u30b9\u30aa\u30a6\u30ce\u30ad\u306b\u3064\u3044\u3066"], "weko_shared_id": -1}
  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 47号
  1. 部局別インデックス
  2. 農学部

亜熱帯沖縄における天然林の資源植物学的研究 (V) : 石垣島於茂登岳山麓のサキシマスオウノキについて

http://hdl.handle.net/20.500.12000/3429
http://hdl.handle.net/20.500.12000/3429
944cb953-6a0b-499b-9919-8ea61674e8e3
名前 / ファイル ライセンス アクション
KJ00000161909.pdf KJ00000161909.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-08
タイトル
タイトル 亜熱帯沖縄における天然林の資源植物学的研究 (V) : 石垣島於茂登岳山麓のサキシマスオウノキについて
言語 ja
作成者 新本, 光孝

× 新本, 光孝

ja 新本, 光孝

石垣, 長健

× 石垣, 長健

ja 石垣, 長健

新里, 孝和

× 新里, 孝和

ja 新里, 孝和

仲里, 長浩

× 仲里, 長浩

ja 仲里, 長浩

Aramoto, Mitsunori

× Aramoto, Mitsunori

en Aramoto, Mitsunori

Ishigaki, Choken

× Ishigaki, Choken

en Ishigaki, Choken

Shinzato, Takakazu

× Shinzato, Takakazu

en Shinzato, Takakazu

Nakazato, Nagahiro

× Nakazato, Nagahiro

en Nakazato, Nagahiro

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 ja
主題Scheme Other
主題 天然林
言語 ja
主題Scheme Other
主題 資源植物
言語 ja
主題Scheme Other
主題 森林資源
言語 ja
主題Scheme Other
主題 遺伝資源
内容記述
内容記述タイプ Other
内容記述 この研究は, 亜熱帯沖縄における森林植物の希少植物等の探索・収集・保存・増殖に関する研究の一環として, 石垣島於茂登岳山麓において自生が確認されたサキシマスオウノキ(Heitiera littoralis)林を対象に生育木の現状および生育地の植生を明らかにしたものである。調査の結果は次のとおりである。1. サキシマスオウノキは通常マングローブの後背湿地や海岸付近に分布する。しかし, 石垣島於茂登岳山麓の宮良川上流底原の沢沿い(標高50∿80m)にもサキシマスオウノキが分布することが明らかになった。2. 於茂登岳山麓のサキシマスオウノキは, 沢沿いでほとんどが礫の堆積地に分布していた。3. 現在, サキシマスオウノキは流域全体で174本の生育が確認され, そのうち5本は折損木であった。また, 10個の切り株が確認された。4. この流域で樹齢が最も古いものと推定されるサキシマスオウノキが3本確認された。しかし, 一本は健全に生育しているが, 他の2本は地上高1.70mで伐倒され, そのうち1本は枯死し, 残りの1本は萌芽していた。5. 本群落はサキシマスオウノキを優占種とし, 湿地∿湿潤地性の種と多くの山地性の種を構成種とする特異な植生であることが明らかになった。特異な立地に成立する要因についていくつかの考察を行ったが, これについては今後の課題である。6. 於茂登岳山麓のサキシマスオウノキは西表島の古見の群落に比べて, 標高の高い特異な立地に群落を形成することから, これらがどのように定着し, 林分を形成したのか非常に興味深く, これらの更新動態についてさらに研究を進めていきたい。7. 石垣島於茂登岳山麓のサキシマスオウノキは, 特異な例として内陸部に分布することから石垣市の天然記念物に指定すべきであろう。さらに将来は, 沖縄県あるいは西表島のサキシマスオウノキと同様に国指定の天然記念物に指定すべきであろう。
内容記述タイプ Other
内容記述 The state of growth of Heritera littoralis, natural colonies, which were discovered at the foot of Mt. Omoto on Ishigaki Island, and the vegetation at sites of its growth were studied as part of research concerning the exploration, collection, preservation, and proliferation of rare plants in subtropical forest of Okinawa. The following results were obtained. Heritiera littoralis is usually distributed in mangrove swamps and coastal areas. However, it was found to be distributed also along the streams in Sokobaru (altitude 50-80) upstream of the Miyara River at the foot of Mt. Omoto, Ishigaki Island. Heritiera littoralis at the foot of Mt. Omoto was distributed along the stream mostly in gravel deposits. To date, 174 growths of Heritera littoralis have been confirmed in the entire river basin, and 5 of them were damaged. Also, 10 stumps have been confirmed. Three growth of Heritera littoralis estimated to be the oldest in the river basin have been identified. One was growing intact, but the other two were cut at a high of 1.70m from the ground. One them were dead, and the other was budding. Heritiera littoralis was dominat in the tree layer of two stands, which was chracteristic vegetation consist of many species in the forest of back mangrove and inland. It showed some considerations on the cause where the stand had grown at the foot of Mt. Omoto, it should be studied in future. The colonies of Heritiera littoralis at the foot of Mt. Omoto grew at a higher attitude than the colonies in Komi, Iriomote Island. Therefore, the processes of their distribution and formation of forest stands are extremely interesting, and further studies on the dynamics of their changes are needed. Since Heritera littoralis at the foot of Mt. Omoto on Ishigaki Island shows unique inland distribution, it should be designated as a natural treasure of Ishigaki City. It should further be designated as a natural treasure of the nation similarly to Heritiera littoralis of Okinawa Prefecture or Iriomote Island.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3429
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 47, p. 159-171
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