文献类型：期刊文献

中文题名：植物吸收在人工湿地脱氮除磷中的贡献

英文题名：Contribution of Macrophytes Assimilation in Constructed Wetlands to Nitrogen and Phosphorous Removal

作者：李林锋[1];年跃刚[2];蒋高明[3]

机构：[1]广东海洋大学农学院,广东湛江524088;[2]中国环境科学研究院水污染控制创新基地,北京100012;[3]中国科学院植物研究所,植被与环境变化国家重点实验室,北京100093

年份：2009

期号：3

起止页码：337

中文期刊名：环境科学研究

外文期刊名：Research of Environmental Sciences

收录：CSTPCD、、国家哲学社会科学学术期刊数据库、Scopus、CSCD2011_2012、北大核心2008、北大核心、CSCD

基金：国家“十五”重大科技专项(2002AA601013)

语种：中文

中文关键词：湿地植物;人工湿地;氮磷去除

外文关键词：macrophyte; constructed wetland; nitrogen and phosphorus removal

中文摘要：通过研究人工湿地植物对氮、磷的吸收能力,评价植物吸收在人工湿地脱氮除磷方面的贡献.结果表明,不同湿地植物其组织中w（TN）和w（TP）差异极显著,湿地植物对TN和TP的吸收量分别为6.194.0和0.59.0 g/（m^2.a）.按全年衡算,湿地植物对TN和TP的吸收量分别占人工湿地TN和TP去除量的0.6%17.3%和1.4%41.2%.但由于湿地植物吸收的TN和TP中有相当一部分是储存在湿地植物的地下部,通过收获植物地上部的TN和TP吸收量仅占人工湿地TN和TP去除量的0.3%14.1%和0.8%19.6%.由此可见,湿地植物的直接吸收在人工湿地系统氮、磷去除中不占重要地位,人工湿地植物的选择和利用应该更注重其间接生态效应的发挥.

外文摘要：Macrophyte nitrogen and phosphorous assimilation and its contribution in constructed wetlands（CWs） to nitrogen and phosphorous removal were assessed in this paper.The results showed that the contents of total nitrogen（TN） and total phosphorous（TP） were significantly different among the macrophytes.TN and TP absorption of macrophytes varies from 6.1 to 94.0 g/（m^2·a） and from 0.5 to 9.0（g/（m^2·a））,respectively.Based on nutrient balance in an entire year,only 0.6%-17.3% of TN and 1.4%-41.2% TP were uptaken by macrophytes compared with TN and TP removal by CWs.However,due to a considerable portion of TN and TP which macrophytes absorbed was stored in the biomass of under-ground,only 0.3%-14.1% of TN and 0.8%-19.6% TP were removed by harvesting the macrophytes（above-ground biomass） compared with TN and TP removal by CWs.This shows that the macrophyte nitrogen and phosphorous assimilation could not play an important role for nutrient removal in CWs.More attention should be paid to the selection and utilization of macrophytes and their other ecological effects.