银川平原湿地常见植物种间关系研究

干旱区研究 ›› 2013, Vol. 30 ›› Issue (5): 838-844.

银川平原湿地常见植物种间关系研究

赵永全¹, 何彤慧¹, 程志², 张娟红¹, 杨明秀¹, 张玉峰¹

1. 宁夏大学西北退化生态系统恢复与重建教育部重点实验室，宁夏银川 750021；
2. 宁夏CDM环保服务中心，宁夏银川 750001

出版日期:2013-09-15 发布日期:2013-09-22
通讯作者: 何彤慧. E-mail: hengtonghui@163.com

Interspecific Relationships among Common Plant Species  in Wetlands in the Yinchuan Plain

ZHAO Yong-Quan¹, HE Tong-Hui¹, CHENG Zhi², ZHANG Juan-Hong¹, YANG Ming-Xiu¹, ZHANG Yu-Feng¹

1. Key Laboratory for Regeneration and Reconstruction of Degenerated Ecosystems in Northwest China of Ministry of Education, 

Ningxia University, Yinchuan 750021, China;
2. Ningxia CDM Environment Protection Service Centre, Yinchuan 750001, China

Online:2013-09-15 Published:2013-09-22

摘要/Abstract

摘要： 在样方调查的基础上，应用校正χ²检验，结合Jaccard关联指数、Pearson 相关系数和Spearman 秩相关系数,研究了银川平原湿地植物群落的种间关系, 计算测定了33 种常见植物共528个种对的种间关联关系。结果表明: ① 3种检验方法表达的种间关系相似但不完全相同。 χ²检验共有24个种对正关联, 4个种对负关联，其中有12对极显著正关联，1个种对极显著负关联； Pearson 相关系数检验，有30 个种对正相关,其中有19个种对极显著正相关，无负相关种对； Spearman 秩相关系数检验，有50个种对呈正相关,8个种对呈负相关，其中有31个种对极显著正相关，1个种对极显著负相关。② 银川平原湿地33种常见植物可划分为4个生态种组，即水生植物种组、湿生植物种组、中生植物种组和旱生植物种组，组内植物间多为显著正关联，种组植物间多为负关联。③ 银川平原湿地植物群落存在独立分布格局,植物群落不够稳定, 尚处于不断的演替之中。

关键词: font-family: 宋体, mso-bidi-font-family: 宋体, mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, 湿地')">mso-bidi-language: AR-SA">湿地, 植物群落, 种间关系, ²检验')">χ²检验, Jaccard关联指数')">Jaccard关联指数, Pearson 相关系数')">Pearson 相关系数, Spearman 秩相关系数')">Spearman 秩相关系数, 银川平原

Abstract: Interspecific relationships among plant species in wetlands in the Yinchuan Plain were studied using the χ²-test, Jaccard associated index, Pearson correlation coefficient and Spearman rank correlation coefficient. The results are as follows: ① The interspecific relationships among the plant species could be expressed by 3 methods, and they were similar but not identical. The χ²-test revealed that there were 24 positive pair-species associations and 4 negative ones, in which 12 were significantly-positive associations and 1 was significantlynegative one. The Pearson correlation coefficient test revealed that there were 30 positive pairspecies correlations without negative one, in which 12 were significantlypositive associations. Spearman rank correlation coefficient test revealed that there were 50 positive pair-species correlations and 8 negative ones, in which 31 were significantlypositive associations and 1 was significantly-negative one; ② The 33 common plant species in wetlands in the Yinchuan Plain could be divided into 4 ecological species groups, i.e. the hydrophyte, hygrophyte, mesophyte and xerophyte species groups. There were mostly the significantly positive associations among plant groups but negative or significantly negative ones among species groups; ③ In the Yinchuan Plain, the wetland plant communities were usually in an independent pattern, so that the communities were not stable yet and still in a constant succession.

赵永全, 何彤慧, 程志, 张娟红, 杨明秀, 张玉峰. 银川平原湿地常见植物种间关系研究[J]. 干旱区研究, 2013, 30(5): 838-844.

ZHAO Yong-Quan, HE Tong-Hui, CHENG Zhi, ZHANG Juan-Hong, YANG Ming-Xiu, ZHANG Yu-Feng. Interspecific Relationships among Common Plant Species  in Wetlands in the Yinchuan Plain[J]. , 2013, 30(5): 838-844.

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