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题名: Root-foraging behavior ensures the integrated growth of Vallisneria natans in heterogeneous sediments
作者: Chen, Jianfeng1, 2; Hu, Xu3; Cao, Te1, 4; Zhang, Xiaolin1, 4; Xi, Yilong4; Wen, Xinli4; Su, Haojie1, 2; de Silva, Wasana1, 2; Zhu, Tianshun5; Ni, Leyi1, 4; Xie, Ping1
关键词: Free amino acids ; Heterogeneous sediments ; Phosphorus ; Root foraging ; Soluble carbohydrates ; Submersed macrophytes ; Vallisneria natans
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2017-03-01
DOI: 10.1007/s11356-017-8473-z
卷: 24, 期:9, 页:8108-8119
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: The present study was carried out to determine the efficacy of root foraging and the physiological response of Vallisnaria natans grown in heterogeneous sediments. V. natans was cultivated in two homogeneous and two heterogeneous sediments. The results suggested that V. natans grown in heterogeneous sediments presented a significantly higher root proportion in its total biomass, exhibited root foraging, and grew well, as indicated by a total biomass, ramet number, and plant height very close to those of plants grown in nutrient-rich clay sediment. Moreover, the more sensitive physiological response of the roots than the stems or the leaves to sediment nutrients suggested that root foraging occurred, and the approached values between the two heterogeneous sediments and the homogeneous clay sediment indicated that V. natans could satisfy its nutrient requirements via root foraging. The results may be useful in the recovery of macrophytes that remodel part (rather than all) of the substrate and can potentially improve habitats that are unsuitable for plant growth.
关键词[WOS]: SUBMERSED MACROPHYTES ; NUTRIENT AVAILABILITY ; AMINO-ACIDS ; PLANTS ; LIGHT ; ENVIRONMENTS ; PHOSPHORUS ; PLASTICITY ; SPIRALIS ; AMMONIUM
语种: 英语
项目资助者: National Science Foundation of China(41230853 ; 31200356)
WOS记录号: WOS:000399162900023
ISSN号: 0944-1344
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/29062
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, 7 Donghu South Rd, Wuhan 430072, Peoples R China
2.Anhui Normal Univ, Collaborat Innovat Ctr Recovery & Reconstruct Deg, Coll Life Sci, Wuhu 241000, Peoples R China
3.Aquaculture Stn Qiandongnan, Kaili 556000, Guizhou, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Acad Environm Planning Shandong Prov, Jinan 250101, Peoples R China
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