Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | U1503101 |
| 积雪和AM真菌对荒漠短命植物种子萌发、幼苗生长、养分吸收的交互影响 | |
| 吴楠 | |
| 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 | 520000(CNY) |
| 项目类别 | 联合基金项目 |
| 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 | Desert ephemeral plants Compare to other desert ecosystem, Gurbantunggut desert own stable and abundant snow cover in winter. Moisturizing and warming effects of snow cover will provide well condition for the growth of desert ephemeral plants. However, the desert ephemeral plant can make use of favorable conditions in the early spring of two months to complete the whole process of rapid growth. They have an important role in the formation and succession of plant community, as well as sand-fixation. Junggar desert well-developed herbaceous layer was mainly related to the existence of stable snow cover in winter. A comprehensive understanding of the ephemeral plant -AM fungi (arbuscular mycorrhizal) relationship how to respond to changes in snowfall will influence the stability of desert ecosystem is the key to reveal the climatic and environmental changes under maintenance mechanism. However, it is not clear whether there is interaction influence between AM fungi and snow change, how about the growth and reproductive characteristics of ephemeral plants response to the interaction influence..This project will be carried out at the Junggar desert ecosystem long-term monitoring plots. Based on the field snow control method and analysis in laboratory, we want to verify scientific hypotheses that species and functional group combination of native AM fungi can respond quickly to change of snow cover, then influence the character of ephemeral plant seeds, seed germination and seedling growth. At last, the symbiotic relationship the ephemeral plants of -AM fungi will be changed; the degree of influence will be mainly related to different ephemeral plant mycorrhizal dependency of decision. Our results will provide scientific data for speculating the adaptation mechanism of desert ephemerals under winter precipitation change and improve the whole desert ecosystem conservation. |
| 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/2XILL650/344787 |
| 推荐引用方式 GB/T 7714 | 吴楠.积雪和AM真菌对荒漠短命植物种子萌发、幼苗生长、养分吸收的交互影响.2016. |
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