Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31500367 |
| 干旱区深根植物骆驼刺养分利用对潜水埋深条件的响应 | |
| 张波 | |
| 主持机构 | 中国科学院新疆生态与地理研究所 |
| 开始日期 | 2016 |
| 结束日期 | 2018 |
| 资助经费 | 230000(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 | Nutrient and water availability are the most important factors that limit plant growth and ecosystem processes in semi-arid and arid areas. The adaptive strategies of resources absorption and utilization of plants under different habitats are always attracted considerable attention of scientists. This research is conducted based on the long-term ecological experimental site in Cele National Station of Observation & Research for Desert Grassland Ecosystem in Xinjiang, China by outdoor simulation experiments and field experiments. The aim of the experiments was to investigate the changes of soil mineralization, inorganic nitrogen content in groundwater, stoichiometry of soil and plant, nutrient utilization efficiency, nutrient resorption efficiency, nutrient contents in leaves litter, and leaf longevity under different groundwater treatments. The meteorological factors are also recorded by the meteorological station of Cele National Station. We will reveal the impact factors of nutrient utilization efficiency and nutrient resorption efficiency of Alhagi sparsifolia under different groundwater depths at the southern fringe of the Taklamakan Desert. Our research will predict the growth changes of Alhagi sparsifolia in the future and these experiments are crucial importance for plant nutrient utilization, nutrient recycling, and the adaptive strategies of resources utilization of plants under few natural resources habitat. In addition, the process of plant nutrient utilization and circulation under different groundwater habitat will be analysed. We will provide theoretical basis for local vegetation protection and artificial vegetation restoration in the desert-oasis ecotone of the southern fringe of the Taklamakan Desert, Xinjiang. |
| 中文关键词 | 人类活动 ; 生态化学计量学 ; 养分吸收 ; 荒漠生态系统 ; 生态修复 |
| 来源机构 | 中国科学院新疆生态与地理研究所 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346922 |
| 推荐引用方式 GB/T 7714 | 张波.干旱区深根植物骆驼刺养分利用对潜水埋深条件的响应.2016. |
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