Effect of Vegetation Buffer Zone on Reducing Agricultural Non-point Pollution in Wuliangsuhai Lake Basin

SHI Zhongqi; WANG Meng; TAN Jun; DING Shengli; JIA Bingbing; DIAO Fengwei; LUO Junqing; HOU Yazhou; WANG Lixin; GUO Wei

doi:10.13870/j.cnki.stbcxb.2022.03.008

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Effect of Vegetation Buffer Zone on Reducing Agricultural Non-point Pollution in Wuliangsuhai Lake Basin

更新时间：2026-04-09

- Effect of Vegetation Buffer Zone on Reducing Agricultural Non-point Pollution in Wuliangsuhai Lake Basin
- Vol. 36, Issue 3, Pages: 51-56(2022)
- 作者机构：
  
  1. 内蒙古大学生态与环境学院, 蒙古高原生态学与资源利用教育部重点实验室, 草原生态安全省部共建协同创新中心, 内蒙古自治区环境污染控制与废物资源化重点实验室,呼和浩特,010070
  2. 内蒙古河套灌区水利发展中心乌拉特分中心,内蒙古,巴彦淖尔,014400
  3. 内蒙古河套灌区水利发展中心乌拉特分中心九排干沟排水所,内蒙古,巴彦淖尔,014400
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2022.03.008
  CLC： X522
- Online First：27 May 2022，
  
  Published：2022
- 稿件说明：
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SHI Zhongqi, WANG Meng, TAN Jun, et al. Effect of Vegetation Buffer Zone on Reducing Agricultural Non-point Pollution in Wuliangsuhai Lake Basin[J]. 2022, 36(3): 51-56.
DOI：

SHI Zhongqi, WANG Meng, TAN Jun, et al. Effect of Vegetation Buffer Zone on Reducing Agricultural Non-point Pollution in Wuliangsuhai Lake Basin[J]. 2022, 36(3): 51-56. DOI： 10.13870/j.cnki.stbcxb.2022.03.008.

摘要

通过在内蒙古乌拉特前旗乌梁素海九排干岸边构建湖滨植被缓冲带

研究不同盐生植物种类和配置对农业面源污染削减效果的影响。结果表明:无植物空白对照带对径流和渗流水中TN、TP和COD无明显削减规律

芦苇、碱蓬、柽柳和芦苇—碱蓬混播缓冲带随着缓冲带宽度的增加削减率呈先增加后减缓的趋势

渗流水中污染物质的削减效果优于径流水。其中

芦苇对径流和渗流水中TN、TP的削减效果最好

削减率分别为53.56%

79.17%和62.37%

83.25%;碱蓬对径流和渗流水中COD的削减效果最好

削减率分别为50.53%

67.34%。通过计算得到4种植被缓冲带的最佳宽度为19~29 m

其中

碱蓬缓冲带宽度为19 m。综合考虑

可以选择真盐生植物碱蓬作为乌梁素海盐渍化湖滨带植被重建的首选植物

并将植被缓冲带在该地区扩展研究

推广应用。

Abstract

The effects of different halophyte species and configurations on reducing agricultural non-point source pollution were studied by constructing a lakeside vegetation buffer zone on the ninth trunk canal shoreside of Wuliangsuhai Lake

Wulate Front Banner

Inner Mongolia. The results showed that the blank buffer zone without plant had no obvious reduction law of TN

TP and COD in runoff and seepage water. The reduction rates of the Phragmites australisbuffer zone

Suaeda glaucabuffer zone

Tamarix ramosissimabuffer zone

Phragmites australis and Suaeda glauca mixed buffer zone increased first and then slowed down with the increasing of the buffer zone width. The reduction effect of pollutants in seepage water was better than that of runoff water. Among them

P. australis had the best reduction effect on TN and TP in runoff and seepage water

with the reduction rates of 53.56%

79.17% and 62.37%

83.25%

respectively. S. glauca had the best reduction effect on COD in runoff and seepage water

with the reduction rates of 50.53% and 67.34%

respectively. Through calculation

the optimal width of the four vegetation buffer zones were 19~29 m

among which the width of S. glauca buffer zone was 19 m. Considering comprehensively

the true halophyte S. glauca could be selected as the preferred plant for the reconstruction of theWuliangsuhai Lake salinized lakeside

and the vegetation buffer zone could be expanded and applied in this area.

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Keywords

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