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Importance of allochthonousmaterial in benthicmacrofaunalcommunityfunctioning in estuarinesaltmarshes
http://hdl.handle.net/2241/116813
http://hdl.handle.net/2241/11681342bb24ce-c3e7-4404-821d-5f7c267e630c
名前 / ファイル | ライセンス | アクション |
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ECSS_96.pdf (2.2 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2012-04-11 | |||||
タイトル | ||||||
タイトル | Importance of allochthonousmaterial in benthicmacrofaunalcommunityfunctioning in estuarinesaltmarshes | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Kon, Koetsu
× Kon, Koetsu× Hoshino, Yukihiro× Kanou, Kouki× Okazaki, Daisuke× Nakayama, Satoko× Kohno, Hiroshi |
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著者別名 |
今, 孝悦
× 今, 孝悦 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Allochthonous input provides important food and spatial resources for estuarinebenthic fauna. While it is known that autochthonous materials are important for fauna occupying small marshes, here, we present the significance of allochthonousmaterials for benthic fauna inhabiting a large saltmarsh. To assess the effects of allochthonous input on benthicmacrofaunalcommunities in estuarinesaltmarshes, we determined the source of substrate sediments and food resource utilisation patterns of benthic invertebrates in 2 temperate estuaries (the Tama River and the Obitsu River estuarine outlets into Tokyo Bay) by using stable carbon and nitrogen isotope analyses. In the Tama River estuary, which has small patches of marsh vegetation upstream of the river mouth, there was an input of sedimentary organic matter from autochthonous sources (i.e. common reed and microphytobenthos). In the Obitsu River estuary saltmarsh, which is situated immediately upstream of the river mouth and is well connected to the sea, sediment consists of allochthonous sources (i.e. imported phytoplankton), along with microphytobenthos. Isotope analysis indicated that most benthic invertebrates in the Tama River estuary depend on benthic microalgae (autochthonous) as a food resource, whereas the macrofauna in the Obitsu River estuary are supported by drift macroalgae (allochthonous), in addition to microphytobenthos or phytoplankton. Our results indicated that allochthonousmaterial provides a food resource and potential habitat for benthic macrofauna in extensive saltmarshes that have a strong connection to the sea but is not substantial in smaller marshes with limited connectivity to coastal water. | |||||
書誌情報 |
Estuarine, coastal and shelf science 巻 96, p. 236-244, 発行日 2012-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0272-7714 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10620517 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.ecss.2011.11.015 | |||||
権利 | ||||||
権利情報 | © 2011 Elsevier Ltd. NOTICE: this is the author's version of a work that was accepted for publication in Estuarine, Coastal and Shelf Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Estuarine, Coastal and Shelf Science, Vol.96, Pages:236–244. doi:10.1016/j.ecss.2011.11.015. |
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著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/116813 | |||||
識別子タイプ | HDL |