An alternative mechanism for shade adaptation: implication of allometric responses of three submersed macrophytes to water depth
文献类型：期刊论文
| 作者 | Fu, Hui1,2; Yuan, Guixiang1; Cao, Te1; Ni, Leyi1; Zhang, Meng1; Wang, Shengrui3 |
| 刊名 | ECOLOGICAL RESEARCH
 |
| 出版日期 | 2012-11-01 |
| 卷号 | 27期号:6页码:1087-1094 |
| 关键词 | Allometry Biomass allocation Submersed macrophyte Water depth |
| ISSN号 | 0912-3814 |
| 通讯作者 | Cao, T (reprint author), Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Donghu S Rd 7, Wuhan 430072, Peoples R China. |
| 中文摘要 | Allometric scaling models describing size-dependent biological relationships are important for understanding the adaptive responses of plants to environmental variation. In this study, allometric analysis was used to investigate the biomass allocation and morphology of three submerged macrophytes (Potamogeton maackianus, Potamogeton malaianus and Vallisneria natans) in response to water depth (1.0 and 2.5 m) in an in situ experiment. The three macrophytes exhibited different allometric strategies associated with distinct adjustments in morphology and biomass allocation in response to varying water depths. In deeper water, after accounting for the effects of plant size, P. maackianus and P. malaianus tended to enhance light harvesting by allocating more biomass to the stem, increasing shoot height and specific leaf area. V. natans tended to allocate more biomass to the leaf than to the basal stem (rosette), showing a higher leaf mass ratio and shoot height in deeper water. The three species decreased biomass allocation to roots as water depth increased. The main effect of water depth treatments was reduced light availability, which induced plastic shoot or leaf elongation. This shows that macrophytes have evolved responses to light limitation similar to those of terrestrial plants. |
| 英文摘要 | Allometric scaling models describing size-dependent biological relationships are important for understanding the adaptive responses of plants to environmental variation. In this study, allometric analysis was used to investigate the biomass allocation and morphology of three submerged macrophytes (Potamogeton maackianus, Potamogeton malaianus and Vallisneria natans) in response to water depth (1.0 and 2.5 m) in an in situ experiment. The three macrophytes exhibited different allometric strategies associated with distinct adjustments in morphology and biomass allocation in response to varying water depths. In deeper water, after accounting for the effects of plant size, P. maackianus and P. malaianus tended to enhance light harvesting by allocating more biomass to the stem, increasing shoot height and specific leaf area. V. natans tended to allocate more biomass to the leaf than to the basal stem (rosette), showing a higher leaf mass ratio and shoot height in deeper water. The three species decreased biomass allocation to roots as water depth increased. The main effect of water depth treatments was reduced light availability, which induced plastic shoot or leaf elongation. This shows that macrophytes have evolved responses to light limitation similar to those of terrestrial plants. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Ecology |
| 研究领域[WOS] | Environmental Sciences & Ecology |
| 关键词[WOS] | PLANT COMMUNITY STRUCTURE ; BIOMASS ALLOCATION ; VALLISNERIA-AMERICANA ; AQUATIC MACROPHYTES ; LIGHT REQUIREMENTS ; GROWTH ; PLASTICITY ; AVOIDANCE ; TOLERANCE ; NUTRIENTS |
| 收录类别 | SCI |
| 资助信息 | National High Technology Research and Development Program of China [2008ZX07105-005]; National Basic Research Program of China [2008CB418105] |
| 语种 | 英语 |
| WOS记录号 | WOS:000312369300011 |
| 公开日期 | 2013-10-31 |
| 源URL | [http://ir.ihb.ac.cn/handle/342005/19302]  |
| 专题 | 水生生物研究所_淡水生态学研究中心_期刊论文 |
| 作者单位 | 1.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China 2.Jiangxi Inst Water Sci, Nanchang 330029, Peoples R China 3.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Fu, Hui,Yuan, Guixiang,Cao, Te,et al. An alternative mechanism for shade adaptation: implication of allometric responses of three submersed macrophytes to water depth[J]. ECOLOGICAL RESEARCH,2012,27(6):1087-1094. |
| APA | Fu, Hui,Yuan, Guixiang,Cao, Te,Ni, Leyi,Zhang, Meng,&Wang, Shengrui.(2012).An alternative mechanism for shade adaptation: implication of allometric responses of three submersed macrophytes to water depth.ECOLOGICAL RESEARCH,27(6),1087-1094. |
| MLA | Fu, Hui,et al."An alternative mechanism for shade adaptation: implication of allometric responses of three submersed macrophytes to water depth".ECOLOGICAL RESEARCH 27.6(2012):1087-1094. |
入库方式： OAI收割
来源：水生生物研究所
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