[1]刘睿奇,张秋良*,赵亚萍. 大兴安岭兴安落叶松林不同水文调节层对水质的影响[J].西北林学院学报,2023,38(3):55-62.[doi:10.3969/j.issn.1001-7461.2023.03.08]
　LIU Rui-qi,ZHANG Qiu-liang*,ZHAO Ya-ping. Effects of Different Hydrological Regulation Layers on Water Quality of Larix gmelinii Forest in the Daxing’an Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(3):55-62.[doi:10.3969/j.issn.1001-7461.2023.03.08]
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 大兴安岭兴安落叶松林不同水文调节层对水质的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第3期
页码:
55-62
栏目:
出版日期:
2023-05-31

文章信息/Info

Title:
 Effects of Different Hydrological Regulation Layers on Water Quality of Larix gmelinii Forest in the Daxing’an Mountains
文章编号:
1001-7461(2023)03-0055-08
作者:
 刘睿奇1; 2; 张秋良1; 2*; 赵亚萍3
 （1.内蒙古农业大学 林学院，内蒙古 呼和浩特 010019；2.内蒙古大兴安岭森林生态系统国家野外科学观测研究站，内蒙古 根河 022350；3.黄河水利委员会 宁蒙水文水资源局，内蒙古 包头 014030）
Author(s):
 LIU Rui-qi1; 2; ZHANG Qiu-liang1; 2*; ZHAO Ya-ping3
 (1.Forestry College,Inner Mongolia Agricultural University,Hohhot 010019,Inner Mongolia,China; 2.Forest Ecosystem National Observation and Research Station of Greater Khingan Mountains,Inner Mongolia,Genhe 022350,Inner Mongolia,China; 3.Yellow River Conservancy Commission,Ningmeng Hydrology and Water Resources Bureau,Baotou 014030,Inner Mongolia,China)
关键词:
 ; 降水; 兴安落叶松林; 水文调节层; 淋溶; 水质
Keywords:
 ; rainfall;  Larix gmelinii forest;  hydrological regulation layer;  leaching;  water quality
分类号:
S791.22
DOI:
10.3969/j.issn.1001-7461.2023.03.08
文献标志码:
A
摘要:
 以大兴安岭地区的兴安落叶松林为研究对象，通过对林内不同水文调节层的pH、浊度、电导率、Cu、Fe、Zn、Mn、Pb、Cr6+、PO43-、NH4+-N和NO3--N等水质指标进行测定来探究各水文调节层对水质的影响。结果表明，研究期内林外雨pH均值为8.227，呈弱碱性，兴安落叶松林的林冠层和树干会对降水会造成明显的酸化作用；林外雨浊度均值仅为1.790 NTU，在流经各水文调节层面后浊度明显增加，林冠层、枯枝落叶层和土壤层的浊化作用最为明显；电导率的变化表明各个调节层总离子的淋溶量均大于吸收量；土壤层为主要净化层面但不具备净化Zn、Pb、Cr6+的能力；整个森林仅对Mn和NH+4-N有净化作用，净化率分别为78.04%和12.01%；树干茎流决定了大兴安岭兴安落叶松林各元素输入量，其次为枯落物渗透水；根据地表水环境质量标准，大兴安岭兴安落叶松林不会对降水水质造成明显影响。
Abstract:
 In order to explore the effects on water quality of different hydrological regulation layers of Larix gmelinii forest occurring in the Daxing’an Mountains,L.gmelinii forest in the mountains was taken as the research object.Indices of water quality were measured,such as pH,turbidity,conductivity,Cu,Fe,Zn,Mn,Pb,Cr6+,PO43-,NH4+-N and NO3--N contents in different hydrological regulation layers in the forest.The results showed that the average pH of rainfall during the study period was 8.227,presenting weakly alkaline.The canopy layer and trunk of L.gmelinii forest significantly acidified the rainfall.The average turbidity of the rainfall was only 1.790 NTU,which increased significantly after flowing through each hydrological regulation layer,and the turbidity effects of canopy layer,litter layer and soil layer were the most significant.The change of conductivity revealed that the leaching amount of total ions in each regulation layer was greater than the absorption amount.The soil layer was the main purification layer,but it did not have the ability to purify Zn,Pb,and Cr6+.The whole forest could only purify Mn and NH4+-N with the purification rates of 78.04% and 12.01%.The input of elements in L.gmelinii forest in the Daxing’an Mountains mainly depended on stem flow,followed by litter water.According to the environmental quality standard of surface water,L.gmelinii forest in the Daxing’an Mountains will not have a significant impact on water quality of rainfall.

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备注/Memo

备注/Memo:
 收稿日期：2022-03-28修回日期：2022-04-28
基金项目：国家自然科学基金（32060262）。
第一作者：刘睿奇。研究方向：森林经理学。E-mail：519922374@.com
*通信作者：张秋良，教授，博士，博士生导师。研究方向：森林经理学。E-mail：18686028468@163.com
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