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题名: Relationships between relative growth rate and its components across 11 submersed macrophytes
作者: Fu, Hui1, 2; Yuan, Guixiang1; Cao, Te1; Ni, Leyi1; Li, Wei1; Zhu, Guorong1
通讯作者: Cao, T (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China.
关键词: relative growth rate ; net assimilation rate ; leaf area ratio ; leaf mass ratio ; specific leaf area ; submersed macrophytes
刊名: JOURNAL OF FRESHWATER ECOLOGY
发表日期: 2012-12-01
DOI: 10.1080/02705060.2012.684102
卷: 27, 期:4, 页:471-480
收录类别: SCI
文章类型: Article
部门归属: [Fu, Hui; Yuan, Guixiang; Cao, Te; Ni, Leyi; Li, Wei; Zhu, Guorong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; [Fu, Hui] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National High Technology Research and Development Program of China [2012ZX07105-005]; National Basic Research Program of China [2008CB418105]
类目[WOS]: Ecology ; Limnology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
摘要: The relationships between relative growth rate and its components across 11 submersed macrophytes were examined in a short-term experimental study. Plants were grown in identical conditions in pots that were submersed in tanks. The average values for relative growth rate ranged from 17.4 to 94.5 mg g(-1) d(-1). The net assimilation rate, based on the increase in plant dry weight per unit leaf area in a fixed time, varied fivefold among species and showed a strong, positive correlation with relative growth rate. The leaf area ratio, leaf mass ratio, and specific leaf area were not significantly correlated with the relative growth rate, although these parameters were important in the adaptive responses of macrophytes to environmental stress. These results suggest that the physiological components (net assimilation rate) would be the main determinant of relative growth rate in submersed macrophytes, which highlights the importance of net assimilation rate in explaining differences in macrophyte species performance in freshwater habitat.
英文摘要: The relationships between relative growth rate and its components across 11 submersed macrophytes were examined in a short-term experimental study. Plants were grown in identical conditions in pots that were submersed in tanks. The average values for relative growth rate ranged from 17.4 to 94.5 mg g(-1) d(-1). The net assimilation rate, based on the increase in plant dry weight per unit leaf area in a fixed time, varied fivefold among species and showed a strong, positive correlation with relative growth rate. The leaf area ratio, leaf mass ratio, and specific leaf area were not significantly correlated with the relative growth rate, although these parameters were important in the adaptive responses of macrophytes to environmental stress. These results suggest that the physiological components (net assimilation rate) would be the main determinant of relative growth rate in submersed macrophytes, which highlights the importance of net assimilation rate in explaining differences in macrophyte species performance in freshwater habitat.
关键词[WOS]: NET ASSIMILATION RATE ; FRESH-WATER MACROPHYTES ; LEAF-AREA ; AQUATIC MACROPHYTES ; INTERACTING DETERMINANTS ; NUTRIENT AVAILABILITY ; PHOTOSYNTHESIS ; LIGHT ; METAANALYSIS ; ANGIOSPERMS
语种: 英语
WOS记录号: WOS:000311786000001
ISSN号: 0270-5060
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17170
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, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Fu, Hui; Yuan, Guixiang; Cao, Te; Ni, Leyi; Li, Wei; Zhu, Guorong.Relationships between relative growth rate and its components across 11 submersed macrophytes,JOURNAL OF FRESHWATER ECOLOG,2012,27(4):471-480
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