[1]王莺,陆荣杰,吴家森,等.山核桃林坡地氮磷流失年动态规律初步研究[J].浙江林业科技,2017,37(04):77-81.[doi:10.3969/j.issn.1001-3776.2017.04.014]
 WANG Ying,LU Rong-jie,WU Jia-sen,et al.Preliminary Study on Annual Dynamics of Nitrogen and Phosphorus Losses at Carya cathayensis Stand on Slope[J].Journal of Zhejiang Forestry Science and Technology,2017,37(04):77-81.[doi:10.3969/j.issn.1001-3776.2017.04.014]
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山核桃林坡地氮磷流失年动态规律初步研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
37
期数:
2017年04期
页码:
77-81
栏目:
研究简报
出版日期:
2017-09-30

文章信息/Info

Title:
Preliminary Study on Annual Dynamics of Nitrogen and Phosphorus Losses at Carya cathayensis Stand on Slope
作者:
王莺1陆荣杰1吴家森1童志鹏2姜培坤1
1. 浙江农林大学环境与资源学院 浙江 临安 311300;2. 临安市林业局浙江 临安311300
Author(s):
WANG Ying1LU Rong-jie1WU Jia-sen1TONG Zhi-peng2JIANG Pei-kun1
1. School of Environmental and Resource Sciences, Zhejiang A & F University , Lin’an 311300, China;2. Lin’an Forestry Bureau of Zhejiang, Lin’an 311300, China
关键词:
山核桃径流流失
Keywords:
Carya cathayensis runoff nitrogen phosphorus loss
分类号:
S664.1
DOI:
10.3969/j.issn.1001-3776.2017.04.014
文献标志码:
A
摘要:
2016年6月至2017年5月,在浙江省临安市山核桃林闭合区底部沟壑出口处设置水土流失卡口,监测山核桃林坡面氮磷径流的年动态变化。结果表明,(1)山核桃林坡面径流量和降水量存在显著的线性正相关(y = 1.351 0x + 126.040 5,R? = 0.797 9),降水量越大,产生的径流量越大;(2)径流总氮(TN)浓度在2.50 ~3.21 mg·L-1,硝态氮(NO-3-N)浓度变化幅度为0 ~ 2.26 mg·L-1,TN和NO-3-N浓度的在6-8月呈递增趋势,而后下降,并保持相对稳定;径流氮元素浓度较高。(3)径流总磷(TP)浓度变化范围为0.01 ~ 0.09 mg·L-1,磷酸盐(PO3-4)浓度变化幅度为0.01 ~ 0.02 mg·L-1,径流磷元素浓度较低。
Abstract:
A monitoring station was established in May 2016 at the closed zone of Carya cathayensis stand on slope in Lin’an, Zhejiang province, and investigation was carried out during June 2016 to May 2017 on annual changes of nitrogen and phosphorus losses. The results showed that it had significant linear positive correlation between runoff and precipitation (y = 1.351 0x + 126.040 5, R? = 0.797 9), meaning that the greater precipitation, the greater runoff. The range of total nitrogen (TN) was 2.54 - 3.47 mg·L-1, of the nitrate nitrogen (NO-3-N ) concentration was 0 - 2.79 mg·L-1. TN and NO-3-N concentration increased during June to August, then declined and remained relatively stable. The concentration of N in runoff was determined higher. The total phosphorus (TP) concentration ranged from 0.01 to 0.09 mg·L-1, and phosphate (PO3-4) from 0.01 to 0.02 mg·L-1. The concentration of P in runoff was determined lower.

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备注/Memo

备注/Memo:
收稿日期:2017-03-11 ;修回日期:2017-06-09
基金项目:浙江省水土保持监测中心项目(ZSSJ/CG-201603018)
作者简介:王莺,硕士研究生,从事水土保持研究;E-mail:1245587787@qq.com。
通信作者:姜培坤,教授,从事土壤与环境学研究;E-mail: jiangpeikun@zafu.edu.cn。
更新日期/Last Update: 2017-08-30