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| 三峡库区消落带土壤氮磷钾、pH值和有机质变化 | |
| 引用本文： | 郭泉水,康义,赵玉娟,洪明,孔倩倩,聂必红.三峡库区消落带土壤氮磷钾、pH值和有机质变化[J].林业科学,2012,48(3):7-10. |
| 作者姓名： | 郭泉水 康义 赵玉娟 洪明 孔倩倩 聂必红 |
| 作者单位： | 1. 中国林业科学研究院森林生态环境与保护研究所 国家林业局森林生态环境重点实验室 北京100091 2. 河北省塞罕坝机械林场 围场068466 3. 广西贺州市林业科学研究所 贺州543100 4. 重庆市巫山县林业局 巫山404700 |
| 基金项目： | 十二五林业科技支撑计划课题，％％ |
| 摘 要： | 在三峡库区消落带设置固定监测样地,研究消落带首次经历水库水位涨落后土壤氮磷钾含量、pH值和有机质含量的变化特征.结果表明:受三峡水库水位涨落影响,消落带0～10,10～20和20～30cm土层的速效氮含量下降41.53％～59.87％,速效磷含量下降5.26％～36.76％,速效钾含量下降3.55％～45.56％,全氮含量下降9.52％～40.00％,土壤有机质含量下降7.62％～37.83％,全磷和全钾含量基本上没有变化,土壤pH值略有变化,变幅为1.73％～9.58％. |
| 关 键 词： | 消落带 土壤氮磷钾 pH值 有机质 变化 三峡库区 |
Changes in the Contents of N,P, K, pH and Organic Matter of the Soil Which Experienced the Hydro-Fluctuation in the Three Gorges Reservoir |
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| Guo Quanshui , Kang Yi , Zhao Yujuan , Hong Ming , Kong Qianqian , Nie Bihong.Changes in the Contents of N,P, K, pH and Organic Matter of the Soil Which Experienced the Hydro-Fluctuation in the Three Gorges Reservoir[J].Scientia Silvae Sinicae,2012,48(3):7-10. | |
| Authors: | Guo Quanshui Kang Yi Zhao Yujuan Hong Ming Kong Qianqian Nie Bihong |
| Institution: | 1.Research Institute of Forest Ecology,Environment and Protection,CAF Key Laboratory of Forest Ecology and Environment of State Forestry Administration Beijing 100091;2.Saihanba Mechanized Forest Farm of Hebei Weichang 068466;3.Scientific and Research Ingtitute of Forestry of Hezhou City of Guanxi Hezhou 543100;4.Wushan County Bureau of Forestry Wushan 404700) |
| Abstract: | Setting monitoring transect in the middle and shallow water area(altitude 156-172 m) in Three Gorges reservoir hydro-fluctuation belt to research the changing characteristics of the contents of N,P,K,pH and organic matter of the soil which experienced the influence of fluctuation the first time.The results showed that by the influence of water level fluctuating,contents of soil N,P,K,pH and organic matter had reduced in different soil layers in hydro-fluctuation belt.The available N decreased by 41.53%-59.87%,available P decreased by 5.26%-36.76%,available K decreased by 3.55%-45.56%,total N decreased by 9.52%-40.00%,total P had no change generally,total K had decreased a little,content of organic material decreased by 7.62%-37.83%%,pH value turned to neutral,changed by 1.73%-9.58%. |
| Keywords: | hydro-fluctuation belt soil N P K pH organic matter changes Three Gorges reservoir |
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