城市河流改造工程对河流生态系统野生维管植物的影响

doi:10.17521/cjpe.2007.0055

植物生态学报 ›› 2007, Vol. 31 ›› Issue (3): 451-456.DOI: 10.17521/cjpe.2007.0055

城市河流改造工程对河流生态系统野生维管植物的影响

王应刚¹^,²(), 张秋华², 张峰¹^,²^,^*(), 朱宇恩²

1 山西大学黄土高原研究所,太原 030006
2 山西大学环境与资源学院,太原 030006

收稿日期:2006-01-13 接受日期:2006-06-19 出版日期:2007-01-13 发布日期:2007-05-30
通讯作者: 张峰
作者简介:*E-mail: fzhang@sxu.edu.cn
E-mail of the first author: wangyg@sxu.edu.cn
基金资助:
太原市科技招标项目(0301106);国家自然科学基金项目(30170150)

IMPACTS OF URBAN RIVER RECONSTRUCTION ON NATIVE VASCULAR PLANTS IN A CHINESE RIVER ECOSYSTEM

WANG Ying-Gang¹^,²(), ZHANG Qiu-Hua², ZHANG Feng¹^,²^,^*(), ZHU Yu-En²

¹Institue of Loess Plateau, Shanxi University, Taiyuan 030006, China
²School of Environment and Resources, Shanxi University, Taiyuan 030006, China

Received:2006-01-13 Accepted:2006-06-19 Online:2007-01-13 Published:2007-05-30
Contact: ZHANG Feng

摘要/Abstract

摘要：

随着城市化的发展,许多城市对流经市区的河流进行了大规模工程改造,在获得了多种效益的同时,也引起了诸如生物多样性破坏和物种组成改变等一系列生态问题,因此对城市河流改造工程的生态影响进行研究非常重要,将有助于在未来城市河流改造中更有效地保护河流生态系统。该文以汾河太原段的河道改造工程为研究对象,用Shannon-Weiner 多样性指数、Sørensen群落相似性指数和单因素方差分析方法,研究了河流改造工程对河流生态系统中的野生维管植物物种多样性、频度和群落物种组成相似性的影响。结果表明:太原汾河段改造后比改造前的野生维管植物物种数和Shannon-Weiner 多样性指数显著降低;低频度的物种数明显增加而高频度的物种数明显减少;河流改造前后的群落相似性明显降低。由此可见,城市河流改造工程对河流生态系统中的野生维管植物物种多样性、频度和群落相似性有明显影响。

关键词: 汾河, 城市化, 河流改造工程, 群落相似性, 城市河流

Abstract:

Aims Some urban river segments are reconstructed, resulting in benefits as well as ecological problems including reduced species diversity and altered species composition. Therefore, better understanding of the ecological impacts of urban river reconstruction projects is important for effectively protecting river ecosystems in future projects.
Methods We studied a 4.2 km river reconstruction project of Fenhe River in Taiyuan, using 30 random sample plots before (1997) and after (2003) reconstruction. We examined impacts of the project on species diversity, frequency and community similarity of native vascular plants using the Shannon-Weiner index, Sørensen index and one-factor analysis of variance.
Important findings Species richness and Shannon-Weiner index values decreased after reconstruction. In addition, the number of low frequency species increased, the number of high frequency species decreased and the similarity of species composition before and after reconstruction was low. Therefore, the impacts of this urban river reconstruction project on the species diversity, frequency and community similarity of native vascular plants were substantial.

Key words: Fenhe river, urbanization, river reconstruction project, community similarity, urban river

王应刚, 张秋华, 张峰, 朱宇恩. 城市河流改造工程对河流生态系统野生维管植物的影响. 植物生态学报, 2007, 31(3): 451-456. DOI: 10.17521/cjpe.2007.0055

WANG Ying-Gang, ZHANG Qiu-Hua, ZHANG Feng, ZHU Yu-En. IMPACTS OF URBAN RIVER RECONSTRUCTION ON NATIVE VASCULAR PLANTS IN A CHINESE RIVER ECOSYSTEM. Chinese Journal of Plant Ecology, 2007, 31(3): 451-456. DOI: 10.17521/cjpe.2007.0055

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链接本文: https://www.plant-ecology.com/CN/10.17521/cjpe.2007.0055

https://www.plant-ecology.com/CN/Y2007/V31/I3/451

图/表 4

参考文献 15

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样方号 Sampling plot No.	样本A Sample A		样方号 Sampling plot No.	样本B Sample B
样方号 Sampling plot No.	物种数 Species number	Shannon-Weiner指数 Shannon-Weiner index	样方号 Sampling plot No.	物种数 Species number	Shannon-Weiner指数 Shannon-Weiner index
A₁	32	3.192	B₁	14	1.754
A₂	37	3.316	B₂	16	2.198
A₃	26	2.614	B₃	18	2.426
A₄	16	1.912	B₄	13	1.732
A₅	29	2.735	B₅	17	1.982
A₆	20	2.354	B₆	10	1.031
A₇	39	3.417	B₇	11	1.214
A₈	30	2.016	B₈	16	1.925
A₉	33	2.792	B₉	18	1.826
A₁₀	24	2.272	B₁₀	15	1.021
A₁₁	16	2.172	B₁₁	18	1.969
A₁₂	31	2.638	B₁₂	21	2.102
A₁₃	17	1.961	B₁₃	19	1.984
A₁₄	35	3.324	B₁₄	18	1.975
A₁₅	38	3.410	B₁₅	17	1.726
A₁₆	37	3.215	B₁₆	21	1.957
A₁₇	27	2.638	B₁₇	25	2.043
A₁₈	28	2.592	B₁₈	16	1.291
A₁₉	25	2.172	B₁₉	19	1.995
A₂₀	24	2.328	B₂₀	21	2.093
A₂₁	22	2.174	B₂₁	20	1.962
A₂₂	21	2.013	B₂₂	23	1.916
A₂₃	25	2.361	B₂₃	22	1.984
A₂₄	30	2.361	B₂₄	17	1.732
A₂₅	26	2.261	B₂₅	19	1.926
A₂₆	29	2.410	B₂₆	18	2.012
A₂₇	21	2.281	B₂₇	17	1.826
A₂₈	25	2.017	B₂₈	18	1.984
A₂₉	26	2.163	B₂₉	17	1.872
A₃₀	23	2.098	B₃₀	19	1.893

样方号 Sampling plot No.	样本A Sample A		样方号 Sampling plot No.	样本B Sample B
样方号 Sampling plot No.	物种数 Species number	Shannon-Weiner指数 Shannon-Weiner index	样方号 Sampling plot No.	物种数 Species number	Shannon-Weiner指数 Shannon-Weiner index
A₁	32	3.192	B₁	14	1.754
A₂	37	3.316	B₂	16	2.198
A₃	26	2.614	B₃	18	2.426
A₄	16	1.912	B₄	13	1.732
A₅	29	2.735	B₅	17	1.982
A₆	20	2.354	B₆	10	1.031
A₇	39	3.417	B₇	11	1.214
A₈	30	2.016	B₈	16	1.925
A₉	33	2.792	B₉	18	1.826
A₁₀	24	2.272	B₁₀	15	1.021
A₁₁	16	2.172	B₁₁	18	1.969
A₁₂	31	2.638	B₁₂	21	2.102
A₁₃	17	1.961	B₁₃	19	1.984
A₁₄	35	3.324	B₁₄	18	1.975
A₁₅	38	3.410	B₁₅	17	1.726
A₁₆	37	3.215	B₁₆	21	1.957
A₁₇	27	2.638	B₁₇	25	2.043
A₁₈	28	2.592	B₁₈	16	1.291
A₁₉	25	2.172	B₁₉	19	1.995
A₂₀	24	2.328	B₂₀	21	2.093
A₂₁	22	2.174	B₂₁	20	1.962
A₂₂	21	2.013	B₂₂	23	1.916
A₂₃	25	2.361	B₂₃	22	1.984
A₂₄	30	2.361	B₂₄	17	1.732
A₂₅	26	2.261	B₂₅	19	1.926
A₂₆	29	2.410	B₂₆	18	2.012
A₂₇	21	2.281	B₂₇	17	1.826
A₂₈	25	2.017	B₂₈	18	1.984
A₂₉	26	2.163	B₂₉	17	1.872
A₃₀	23	2.098	B₃₀	19	1.893

	物种数 Species number			Shannon-Weiner指数 Shannon-Weiner index
	F	F_1,58,0.01		F	F_1,58,0.01
样本A与样本B之间 Between sample A and sample B	51.076	7.12		40.876	7.12

	物种数 Species number			Shannon-Weiner指数 Shannon-Weiner index
	F	F_1,58,0.01		F	F_1,58,0.01
样本A与样本B之间 Between sample A and sample B	51.076	7.12		40.876	7.12

城市河流改造工程对河流生态系统野生维管植物的影响

IMPACTS OF URBAN RIVER RECONSTRUCTION ON NATIVE VASCULAR PLANTS IN A CHINESE RIVER ECOSYSTEM

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