| 芦苇型湿地生态系统的潜水水质状态研究 |
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| 引用本文： | 王为东,王大力,尹澄清,陈海婴,姜婧,郑军.芦苇型湿地生态系统的潜水水质状态研究[J].生态学报,2001,21(6):919-925. |
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| 作者姓名： | 王为东 王大力 尹澄清 陈海婴 姜婧 郑军 |
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| 作者单位： | 1. 中国科学院生态环境研究中心
2. 河北省保定市环境保护监测站, |
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| 基金项目： | 国家自然科学基金资助项目(项目编号
39970152,59978051) |
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| 摘 要： | 以白洋淀芦苇滩地为实验地,研究了湿地生态系统中潜水的水质状况.苇地潜水运动受到芦苇根孔的强烈影响.受芦苇根区生物呼吸作用的影响,潜水pH值(6.94士0.14)显著低于淀水(9.17).潜水中CO2分压约为淀水的85～1039倍.潜水水质类型在离淀2.7至6.7m发生变化,逐渐由ClN3转变为CCa.自苇地边缘至中央,HT(总硬度),Ar(总碱度)与∑C(主要离子总量)逐渐升高.潜水中Mg2+/Ca2+的平均摩尔比值为0.60,明显低于淀水(1.31).淀水和潜水Cl-,SO2-,Na++K+含量无显著差异,平均值分别是176,116和112mg/L.苇地濒水区为一过渡带,对磷氮污染物具备首先的过滤作用.在离淀0.7m处TN,TP和活性磷酸盐的减少量分别为63.3%,84.6%,80.8%.
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| 关 键 词： | 潜水 水质 湿地 芦苇型 生态系统 |
| 文章编号： | 1000-0933(2001)05-0919-07 |
| 收稿时间： | 2000/7/20 0:00:00 |
| 修稿时间： | 2/9/2001 12:00:00 AM |
A study on the groundwater qulity of the Baiyangdian wetland ecosystem |
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| WANG Weidong,WANG Dali,YIN Chengqing,CHEN Haiying,JIANG Jing and ZHENG Jun.A study on the groundwater qulity of the Baiyangdian wetland ecosystem[J].Acta Ecologica Sinica,2001,21(6):919-925. |
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| Authors: | WANG Weidong WANG Dali YIN Chengqing CHEN Haiying JIANG Jing and ZHENG Jun |
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| Institution: | 1 SKLEAC; Research Center for Eco\|Environmental Sciences; Chinese Academy of Sciences; Beijing; China; 2.Baoding City Environmental Monitoring Station; H; |
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| Abstract: | The Baiyangdian Lake wetlands have a characteristic of fragmented landscape,which is constituted with the reed communities,ditches and shallow waters with submerged vegetation.Due to the long\|term drought,the water area of the lake has decreased greatly and is only Ca.40% of the normal.Because of the wastewater discharge from Baoding City in the upstream and nonpoint source pollution,the Baiyangdian Lake is heavily polluted and eutrophic.We have found that there is a well\|developed root channel system und... |
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| Keywords: | groundwater water quality wetlands root channel reed Baiyangdian |
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