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[1]郭汝凤 刘鑫铭 李冠军 黄婷 吴承祯 ** 林勇明 李键 **.武夷山人工湿地系统植物生长期内土壤-植物碳氮磷变化特点*[J].应用与环境生物学报,2020,26(02):1-11.[doi:10.19675/j.cnki.1006-687x.2019.05038]
 GUO Rufeng,LIU Xinming,LI Guanjun,et al.Characteristics of soil and plant carbon, nitrogen and phosphorus during plant growth in Wuyi Mountain constructed wetland system*[J].Chinese Journal of Applied & Environmental Biology,2020,26(02):1-11.[doi:10.19675/j.cnki.1006-687x.2019.05038]
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武夷山人工湿地系统植物生长期内土壤-植物碳氮磷变化特点*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
26卷
期数:
2020年02期
页码:
1-11
栏目:
研究简报
出版日期:
2020-03-20

文章信息/Info

Title:
Characteristics of soil and plant carbon, nitrogen and phosphorus during plant growth in Wuyi Mountain constructed wetland system*
作者:
郭汝凤1 刘鑫铭 1 李冠军 1 黄婷1 吴承祯 2** 林勇明 1 李键 1**
1 福建农林大学林学院 福州 350002
2 武夷学院生态与资源工程学院 南平 354300
Author(s):
GUO Rufeng1;? LIU Xinming1;? LI Guanjun1;? HUANG Ting1;? WU Chengzhen2**;? LIN Yongming1 & LI Jian1**
1 College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China
2 College of Ecology and Resource Engineering, Wuyi University, Nanping 354300, China
关键词:
世界双遗产地;?武夷山;?人工湿地系统;?化学计量
Keywords:
the world’s natural and cultural heritage site;? constructed wetland system;? stoichiometry;? Wuyi Mountain
DOI:
10.19675/j.cnki.1006-687x.2019.05038
摘要:
通过对世界自然与文化双遗产地武夷山市生活污水处理厂人工湿地植物生长期内植物和土壤C、N、P化学计量的研究,旨在阐明世界双遗产地武夷山人工湿地系统植物生长期内植被的养分循环及限制状况,为维持世界双遗产地武夷山内人工湿地生态系统的稳定提供借鉴。在一个生长季内分四次(7、14、21、28周)测定武夷山市生活污水处理厂人工湿地系统主要植物再力花(Thalia dealbata)、花叶芦荻(Arundo donax var. versicolor)、香根草(Vetiveria zizanioides L.)和土壤的C、N、P含量变化,分析化学计量特征及其相关性。结果表明:(1)一个生长季内,人工湿地系统土壤C、N、P含量均呈先降低后增加的趋势,其变化范围分别为14.39-18.32、0.72-6.11、0.47-0.73mg/kg;(2)再力花、花叶芦荻叶、茎C含量随着植物的生长呈上升趋势,香根草C含量呈先增后减趋势,再力花、花叶芦荻叶的N含量呈上升趋势,茎N含量呈先减后增趋势,香根草N含量呈下降趋势,再力花、花叶芦荻叶P含量呈先增后减趋势,再力花和花叶芦荻的茎和香根草P含量呈下降趋势,其变化范围分别为402.56-527.13、6.16-22.06、1.54-3.02mg/kg;(3)再力花和花叶芦荻的叶C:N、C:P、N:P与土壤C:N、C:P、N:P无显着差异,但叶N含量与土壤N含量存在显着负相关。香根草C:N、C:P与土壤C:N、C:P存在正相关,香根草C含量与土壤中C含量存在负相关,香根草N含量与土壤N含量存在负相关。综上所述,在一个生长季内,3种植物的C、N、P含量、化学计量比及其变化趋势存在差异;土壤N含量影响着再力花和花叶芦荻叶N含量,香根草同时受土壤C、N含量的影响,本研究结果可为世界双遗产地武夷山人工湿地营造策略、环境保护以及植物配置提供参考。
Abstract:
Through the study of characteristics of soil and plant carbon, nitrogen and phosphorus during plant growth in the Wuyi Mountain Municipal Domestic Wastewater Treatment Plant, the world’s natural and cultural heritage site, the purpose is clarified the nutrient cycling and restriction of the vegetation of the constructed wetland system in the world natural and cultural heritage site , in order to maintain the world natural and cultural heritage site of the constructed wetland ecosystem within the heritage site provides a reference. The main plants of the constructed wetland system of the Wuyi Mountain Municipal Wastewater Treatment Plant were tested for Thalia dealbata, Arundo donax var. versicolor, Vetiveria zizanioides L. and soil carbon, nitrogen and phosphorus changes in four seasons (7, 14, 21, 28 weeks) to analyze their stoichiometric characteristics and their correlation. The results showed that the contents of carbon, nitrogen and phosphorus in the constructed wetland system decreased first and then increased which the range of variation were 14.39-18.32 mg/kg (C), 0.72-6.11mg/kg (N) and 0.47-0.73mg/kg (P) in a growing season. The C in leaves and stems of T. dealbata and A. donax var. versicolor increased with the growth of plants, and V. zizanioides L. C increased first and then decreased. The N in leaves of T. dealbata, A. donax var. versicolor increased, and the N in their stems decreased first and then increased. V. zizanioides L. N showed a downward trend. T. dealbata and A. donax var. versicolor P increased first and then decreased. The P in stem of T. dealbata, A. donax var. versicolor ’s and V. zizanioides L. P of showed a downward trend. The Plants’ range of variation were 402.56-527.13 (C), 6.16-22.06 (N) and 1.54-3.02mg·kg- 1 (P) in a growing season. There are no significant differences between the C:N, C:P, N:P of the leaves of T. dealbata and A. donax var. versicolor with their soil, but the N content in the leaves and the soil has a significant negative correlation. V. zizanioides L. is positively correlated with soil in C:N, C:P, and its C,N content is negatively correlated with soil’s. Conclusions: The dynamic anamic analysis of Characteristics of soil-plant C, N and P contents during plant growth in Wuyi Mountain constructed wetland system showed it is different between 3 plants in C, N, P content, stoichiometry and their trends. The N content of the leaves of T. dealbata and A. donax var. versicolor is affected by soil’N, and V. zizanioides L. is also affected by the contents of C and N in the soil. The research results can provide reference for the construction strategy, environmental protection and plant configuration of Wuyi Mountain constructed wetland in the world natural and cultural heritage site.

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备注/Memo

备注/Memo:
收稿日期 Received: 2019-05-22 接受日期 Accepted: 2019-07-23
*福建农林大学科技创新专项基金项目(CXZX2016055,CXZX2018122)和福建农林大学林学院林学高峰学科优秀博硕士培养工程(71201800781)资助
** 共同通讯作者 Joint corresponding author (E-mail: fjwcz@126.com; hmilycau@163.com)
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更新日期/Last Update: 2019-09-04