haracteristics of Dissolvable Nitrogen and Phosphorus Losses in Runoff from a Pinus Elliottii Stand in Foshan City

XUE Li; XUE Ye; ZHENG Wei-guo; FU Jing-dan; FENG Hui-fang; SHI Xiao-ling

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haracteristics of Dissolvable Nitrogen and Phosphorus Losses in Runoff from a Pinus Elliottii Stand in Foshan City

- haracteristics of Dissolvable Nitrogen and Phosphorus Losses in Runoff from a Pinus Elliottii Stand in Foshan City
- Bulletin of Soiland Water Conservation Vol. 29, Issue 1, Pages: 31-34(2010)
- 作者机构：
  
  1. 华南农业大学林学院,广东,广州,510642
  2. 浙江工业大学,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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XUE Li, XUE Ye, ZHENG Wei-guo, et al. haracteristics of Dissolvable Nitrogen and Phosphorus Losses in Runoff from a Pinus Elliottii Stand in Foshan City[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 31-34.
DOI：

XUE Li, XUE Ye, ZHENG Wei-guo, et al. haracteristics of Dissolvable Nitrogen and Phosphorus Losses in Runoff from a Pinus Elliottii Stand in Foshan City[J]. Bulletin of Soiland Water Conservation, 2010, 29(1): 31-34. DOI：

摘要

研究了佛山的湿地松林地表径流及可溶解性氮和磷流失的特点。结果表明

湿地松林的年径流量为16.7mm

集中在夏季。林分的地表径流量和降雨量的关系按照二项式方程变化。地表径流中氮浓度与径流量之间存在着对数关系。湿地松林的地表径流中可溶解性氮输出量为221g/(hm

.a)

春季和夏季为氮流失高峰期

占可溶解性氮年流失量的80%以上。湿地松林地表径流中可溶解性磷流失量为7.0g/(hm

.a)

2008年5月和6月为湿地松林的地表径流中可溶解性磷流失高峰

占该年流失量的59%。

Abstract

The characteristics of runoff and dissolvable nitrogen and phosphorus losses from a Pinus elliottii stand were studied in Foshan City.The annual amount of runoff from the Pinus elliottii stand was 16.7 mm

which was mainly observed in summer.The relationship between rainfall and runoff in the stand could be described by a binomial equation.A logarithmic relationship existed between runoff and N concentration.Annual dissolvable N loss from the stand was 221g/(hm2?a) and in spring and summer

it reached its peak with above 80% of annual dissolvable N loss.Annual dissolvable P loss from the stand was 7.0g/(hm2?a).The greatest monthly dissolvable P loss occurred in May and June

2008

accounting 59% of its annual P loss.

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