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[1]张潇月 鱼舜尧 李婷婷 金 锁 王 宇 齐锦秋,郝建锋,*.金马河温江段河岸带不同生境下草本植物多样性和植物区系与土壤环境因子的关系[J].应用与环境生物学报,2019,25(04):1-10.[doi:10.19675/j.cnki.1006-687x.2018.10017]
 ZHANG Xiaoyue,YU Shunyao,LI Tingting,et al.Relationship between Species Diversity, Flora and Soil Environmental Factors of the Herb Community in different Habitats in Wenjiang R iver of Jinma River[J].Chinese Journal of Applied & Environmental Biology,2019,25(04):1-10.[doi:10.19675/j.cnki.1006-687x.2018.10017]
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金马河温江段河岸带不同生境下草本植物多样性和植物区系与土壤环境因子的关系()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年04期
页码:
1-10
栏目:
研究论文
出版日期:
2019-08-31

文章信息/Info

Title:
Relationship between Species Diversity, Flora and Soil Environmental Factors of the Herb Community in different Habitats in Wenjiang R iver of Jinma River
文章编号:
201810017
作者:
张潇月1 鱼舜尧1 李婷婷1 金 锁1 王 宇1 齐锦秋1 2 郝建锋1 3*
1四川农业大学 林学院 成都 611130 2木材工业与家具工程重点实验室 成都 611130 3水土保持与荒漠化防治重点实验室 成都 611130
Author(s):
ZHANG Xiaoyue1 YU Shunyao1 LI Tingting1 JIN Suo1 WANG Yu 1 QI Jinqiu1 2 & HAO Jianfeng1 3*
1 College of Forestry, Sichuan Agricultural University, Chengdu 611130, China 2 Wood Industry and Furniture Engineering, Sichuan Provincial Colleges and Universities Key Laboratory, Chengdu 611130, China 3 Soil and Water Conservation, Desertification Combating of MOE, Sichuan Provincial Colleges and Universities Key Laboratory, Chengdu 611130, China
关键词:
生境草本植物植物区系环境因子物种多样性
Keywords:
habitat herbs flora environmental factors species diversity
DOI:
10.19675/j.cnki.1006-687x.2018.10017
摘要:
采用典型样地法,经实地踏查,根据当地采沙运沙干扰及河岸带水位变化的影响,将河岸带生境划分河滩地、砾石地、芦苇地、斑茅地、沙坑地5个类型。运用除趋势对应分析(DCA)和冗余分析(RDA)研究不同生境间河岸带草本植物区系成分、群落和环境因子的关系。结果表明:(1)5个类型生境记录草本植物共35科91属109种,以禾本科(Gramineae)、菊科(Compositae)、蓼科(Polygonaceae)植物为主,沙坑地物种数最多,砾石地和河滩地物种数次之,斑茅地和芦苇地物种数最少。(2)属的区系成分较全面的表现了河岸带草本植物的地理分布,金马河温江段草本植物区系主要由世界分布型和泛热带分布型构成。(3)不同生境类型下Shannon-Wiener多样性指数(H)、Simpson指数(H’)和Pielou均匀度指数(Jsw)具有特定变化趋势,物种丰富度指数(D)对生境变化响应不显著。(4)河岸带土壤pH呈弱碱性,砾石地和芦苇地的全氮、全钾和有机质含量明显高于其他生境,河滩地和沙坑地土壤含水量、全磷含量较低。DCA和RDA结果表明,含水量、全氮和有机质是影响生境群落分布的主要限制因子,而土壤pH是影响植物区系组成分异的最主要条件。(5)综合分析,经生态改造后的河滩地生境为河岸带最适生境类型。
Abstract:
In this study, a typical sample method was used. After field investigation, the author divided the riparian zone into five habitat types according to the disturbance of local sand transportation and the change of water level in the riparian zone, namely flood land, gravel land, Phragmitesaustralis land, Saccharumarundinaceum land and bunker land. The relationship between the composition of the riparian herb flora and the community and environmental factors in different habitats was studied by using Detrended Correspondence Analysis (DCA) and Redundancy Analysis (RDA). The results showed that: (1) A total of 109 herbaceous plants belonging to 35 families of 91 genera were recorded in five habitats, mainly Gramineae, Compositae, and Polygonaceae. The bunker land has the largest number of species, followed by gravel land and flood land, and Phragmites australis land and Saccharum arundinaceum land have the fewest species. (2) The floristic components of the genus represent the geographical distribution of the herbaceous plants. The floristic composition of herbaceous plants in the Wenjiang section of the Jinma River is mainly composed of the world distribution type and the pantropical distribution type. (3) The Shannon-Wiener diversity index ( H), the Simpson index (H’) and the Pielou evenness index ( Jsw) have specific trends in different habitat types. The species richness index (D) did not significantly respond to changes in different habitat types. (4) The pH of the riparian soil is weakly alkaline. The total nitrogen, total potassium and organic matter content of bunker land and Phragmites australis land were significantly higher than other habitats. The soil water content and total phosphorus content of flood land and gravel land are low. The results of DCA and RDA indicate that water, total nitrogen and organic matter are the main limiting factors affecting community distribution, and soil pH is the main factor affecting the composition of flora. (5) On the basis of comprehensive analysis, flood land is the best type of riparian zone after ecological improvement.

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备注/Memo

备注/Memo:
收稿日期: 2018-10-20 接受日期 Accepted: 2019-01-08?
*国家自然科学基金(31370628)、四川省教育厅一般项目(自然科学,15ZB0020)和四川农业大学双支计划(03571838)资助?
**通讯作者(E-mail: haojf2005@aliyun.com)
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更新日期/Last Update: 2019-01-15