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  1. 120 山岳科学総合研究所
  2. 1202 紀要・刊行物
  3. 12022 信州大学山地水環境教育研究センター 研究報告
  4. Vol. 06

Nutrient limitation and stable nitrogen isotope ratios in two plOneer species Robinia pseudoacacia and SalLx: gilgiana colonized on the nutrient poor sediment barof a regulated river

http://hdl.handle.net/10091/10242
http://hdl.handle.net/10091/10242
2f7c3cad-3195-475d-88b8-f09592195e39
名前 / ファイル ライセンス アクション
Inlandwater06-009.pdf Inlandwater06-009.pdf (580.7 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-07-21
タイトル
言語 en
タイトル Nutrient limitation and stable nitrogen isotope ratios in two plOneer species Robinia pseudoacacia and SalLx: gilgiana colonized on the nutrient poor sediment barof a regulated river
言語
言語 eng
キーワード
主題Scheme Other
主題 Robinia pseudoacacia
キーワード
主題Scheme Other
主題 Salix gilgiania
キーワード
主題Scheme Other
主題 sediment bar
キーワード
主題Scheme Other
主題 N=P ratio
キーワード
主題Scheme Other
主題 815N・
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 Bahar, Md. Mezbaul

× Bahar, Md. Mezbaul

WEKO 46647

Bahar, Md. Mezbaul

Search repository
Asada, Takeshi

× Asada, Takeshi

WEKO 46648

Asada, Takeshi

Search repository
Uddin, Md. Nazim

× Uddin, Md. Nazim

WEKO 46649

Uddin, Md. Nazim

Search repository
出版者
出版者 信州大学山地水環境教育研究センター
引用
内容記述タイプ Other
内容記述 信州大学山地水環境教育研究センター研究報告 6: 35-42(2010)
書誌情報 信州大学山地水環境教育研究センター研究報告

巻 6, p. 35-42, 発行日 2010-02-10
抄録
内容記述タイプ Abstract
内容記述 Flow regulation through dam construction in the upstream of large rivers enables the colonization of vegetation on the downstream sediment bar with organic matter acctunulation and silt trap. Robinia pseudoacacia, a woody legume and Salix gilgiania, a nood-tolerant shnlb colonize on the mid-stream sediment bar where soil nutrient levels are relatively low. This two species can colonize along the gradients of the sediment bar withdistinct soil characteristics. Total nitrogen (TN) to total phosphorus (TP) ratios has been widely used as diagnostic indicators of nitrogen saturation and limitation of plant growth. Samples of above-ground organs, roots and soils were collected and analyzed. High TN content was found in nodule followed by leaf, rootand then shoot tissue of. pseudoacacia whereas in S, gilgiania, it was the highest in leaf followed by shoot and the root tissue.TP content was found high in the leaf tissues of both species. High ratio of nitrogen and phosphorus in the tissue of R.pseudoacacia indicating that plant growth is P limited whereas the ratio was very low in the soil samples. The growth of S. gilgiania is nitrogen limited as the N and P ratio in the plant tissues was low. Mean nitrogen stable isotope ratio 815N in S. gilgiania was relatively higher thanthe R. pseudoacacia. Nitrogen sattlration in the tissues of R. pseudo-acacia occurs asthe symbiotic bacteria fix atmospheric nitrogen.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 1348-7612
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11887942
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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