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[1]孔维静,夏会娟,张远,等.辽河保护区及其支流河岸草本植物群落数量分析[J].应用与环境生物学报,2015,21(05):904-911.[doi:10.3724/SP.J.1145.2015.04016]
 KONG Weijing,XIA Huijuan,ZHANG Yuan,et al.Quantitative analysis of riparian herbaceous community in Liaohe River Conservation Area and its tributaries[J].Chinese Journal of Applied & Environmental Biology,2015,21(05):904-911.[doi:10.3724/SP.J.1145.2015.04016]
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辽河保护区及其支流河岸草本植物群落数量分析()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
21卷
期数:
2015年05期
页码:
904-911
栏目:
研究论文
出版日期:
2015-10-25

文章信息/Info

Title:
Quantitative analysis of riparian herbaceous community in Liaohe River Conservation Area and its tributaries
作者:
孔维静 夏会娟 张远 侯利萍
1中国环境科学研究院流域水生态保护技术研究室 北京 100012 2环境标准与风险评估国家重点实验室 北京 100012 3北京林业大学林学院森林培育与保护教育部重点实验室 北京 100083
Author(s):
KONG Weijing XIA Huijuan ZHANG Yuan HOU Liping
1Laboratory of Riverine Ecological Conservation and Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012, China 2State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing 100012, China 3MOE Key Laboratory for Silviculture and Conservation, College of Forest Science, Beijing Forestry University, Beijing 100083, China
关键词:
辽河保护区河岸带草本植物物种多样性海拔河流等级
Keywords:
Liaohe River Conservation Area riparian zone herbs species diversity altitude stream level
分类号:
Q948.1 (231)
DOI:
10.3724/SP.J.1145.2015.04016
文献标志码:
A
摘要:
研究河岸草本植物群落特征是河岸植被生态修复的前提. 采用样线法调查辽河保护区及其支流的河岸带草本植物群落,分析物种多样性特征,利用组平均聚类法和除趋势对应分析(DCA)对群落进行分类和排序,并探讨影响河岸草本植物群落分布的主要环境因子. 结果显示:辽河保护区及其支流河岸共有草本植物154种,分属40科96属. 山区河流的河岸草本植物物种多样性低于平原地区河流,支流的河岸物种多样性高于辽河保护区;群落物种多样性与河流坡降、蜿蜒度以及河流等级显著相关(P < 0.01). 聚类分析结果显示,辽河保护区及其支流河岸带草本植物群落可划分为23种类型,其中湿生植物群落占据优势,包括无芒稗(Echinochloa crusgalli)群落、水芹(Oenanthe javanica)群落、水蓼(Polygonum hydropiper)群落、疣草(Murdannia keisak)群落、蒌蒿(Artemisia selengensis)群落、藨草(Scirpus triqueter)群落、卵穗荸荠(Heleocharis soloniensis)群落、红鳞扁莎(Pycreus sanguinolentus)群落、褐穗莎草(Cyperus fuscus)群落、芦苇(Phragmites australis)群落、两栖蓼(P. amphibium)群落、圆锥薹草(Carex diandra)+蒌蒿群落和圆锥薹草+沼生蔊菜(Rorippa islandica)群落. DCA排序轴与环境因子的相关性分析表明,海拔、坡降、蜿蜒度和河流等级对辽河保护区及其支流河岸带草本植物群落的分布具有影响,其中河流等级的贡献率最大,其次为海拔和坡降,蜿蜒度贡献率最小. 本研究中拂子茅(Calamagrostis epigeios)、荻(Triarrhena sacchariflora)和芦苇是恢复河岸植被的优良物种.
Abstract:
Research on community characteristics of riparian herbs is an important scientific basis of riparian vegetation rehabilitation. This study aimed to investigate the species diversity and quantitative characteristics of riparian herbs in Liaohe River Conservation Area and its tributaries. Herbaceous communities were investigated by sample line method. Group average clustering analysis and detrended correspondence analysis (DCA) were used to find the major environmental factors affecting the distribution pattern of riparian herbaceous communities. The result showed altogether 154 herbaceous species, belonging to 40 families and 96 genera. The riparian herbaceous species diversity was found to be correlated to river slope, sinuosity and stream order, being lower in rivers of mountain area than in rivers of plain area, and higher in tributaries than in Liaohe River Conservation Area. Clustering analysis classified the herbaceous communities into 23 types, being dominated by hygrophytes including communities of Echinochloa crusgalli, Oenanthe javanica, Polygonum hydropiper, Murdannia keisak, Artemisia selengensis, Scirpus triqueter, Heleocharis soloniensis, Pycreus sanguinolentus, Cyperus fuscus, Phragmites australis, Polygonum amphibium, Carex diandra + Artemisia selengensis and Carex diandra + Rorippa islandica. Correlation analysis between DCA ordination axes and environmental factors showed that the altitude, river slope, sinuosity and stream level were the major environmental factors affecting the distribution pattern of herbaceous communities in the riparian zone of Liaohe River Conservation Area and its tributaries. The results of CCA showed that the contribution ratio of stream level was the highest, followed by altitude and slope, with sinuosity the last. The results suggested that riparian herbaceous characteristics are affected by the comprehensive force of altitude, river slope, sinuosity and stream order, and that Calamagrostis epigeios, Triarrhena sacchariflora and Phragmites australis are suitable species for riparian vegetation rehabilitation.

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备注/Memo

备注/Memo:
国家自然科学基金项目(41201187)和水体污染控制与治理科技重大专项(2012ZX07501-001-02)资助 Supported by the National Natural Science Foundation of China (41201187) and the Major Science and Technology Program for Water Pollution Control and Treatment (2012ZX07501-001-02)
更新日期/Last Update: 2015-10-29