论文
论文标题: Root-foraging behavior ensures the integrated growth of Vallisneria natans in heterogeneous sediments
作者: Chen, Jianfeng; Hu, Xu; Cao, Te; Zhang, Xiaolin; Xi, Yilong; Wen, Xinli; Su, Haojie; de Silva, Wasana; Zhu, Tianshun; Ni, Leyi; Xie, Ping
出版刊物: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
出版日期: MAR
出版年份: 2017
卷/期: 9
DOI: 10.1007/s11356-017-8473-z
论文摘要: 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.
== 实验室与学会 ==
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  • 淡水生态与生物技术国家重点实验室
  • 中国科学院藻类生物学重点实验室
  • 农业部淡水养殖病害防治重点实验室
  • 武汉白暨豚保护基金会
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  • 中国水产学会鱼病学专业委员会
  • 中国鱼类学会
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  • 国家斑马鱼资源中心
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  • 水生生物博物馆
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