Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31400392 |
| 气温和降水变化对科尔沁沙地小叶锦鸡儿生殖物候的调控机制 | |
| 潘成臣 | |
| 主持机构 | 中国科学院寒区旱区环境与工程研究所 |
| 开始日期 | 2015 |
| 结束日期 | 2017 |
| 资助经费 | 250000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Reproductive phenology is sensitive to environmental change and have been proposed as indicators for measuring climate change. It is of vital significance to study the effect of climate change on plant. Horqin Sandy Land is sensitive to climate change where is one of the typical fragile ecosystem areas in China. The reproductive phenological changes of the plant mentioned above are directly related to the survival of vegetation themselves and the maintenance of biodiversity. Therefore, it is particularly important to have the research on the mechanism of desert vegetation reproductive phenology to climate change. This research will be carried out in Horqin Sandy Land of Inner Mongolia for its dominant species Caragana microphylla Lam. Artificial methods of infrared radiator and fixed canopy that supplying in the field are used to simulate climate change in this research. The reproductive phenology changes such as flowering, fruiting and seed dispersal of C. microphylla will be studied under different treatments of climate change. Changing pattern of land surface temperature, soil temperature, moisture, organic matter and nutrients content are inspected to analyze the effect of environmental factors on the reproductive phenology of C. microphylla, meanwhile photosynthetic characteristics, hydraulic metabolic and activities of protective enzyme are studied to analyze physiological response processes and adaptation mechanism of plants in the process of climate change. The final purpose of this research is to provide the useful theory basis for degraded vegetation restoration and the maintenance of biodiversity in semi-arid land under climate changing. |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346801 |
| 推荐引用方式 GB/T 7714 | 潘成臣.气温和降水变化对科尔沁沙地小叶锦鸡儿生殖物候的调控机制.2015. |
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