Pattern and drivers of species-genetic diversity correlation in natural forest tree communities across a biodiversity hotspot
文献类型：期刊论文
| 作者 | Jiang, Mingxi2; Meng, Hongjie1,2; Bao, Dachuan2; Wei, Xinzeng2 |
| 刊名 | JOURNAL OF PLANT ECOLOGY
 |
| 出版日期 | 2018-10-01 |
| 卷号 | 11期号:5页码:761-770 |
| 关键词 | climatic factor edaphic factor Euptelea pleiospermum latitude species-genetic diversity correlation |
| ISSN号 | 1752-9921 |
| DOI | 10.1093/jpe/rtx046 |
| 英文摘要 | Aims Exploring species-genetic diversity correlation (SGDC) is essential for understanding spatial patterns of diversity and the underlying mechanisms. Until now, latitudinal patterns of species diversity (SD) and genetic diversity (GD) were rarely studied simultaneously. As the freezing-tolerance hypothesis predicts a decrease of SD from low to high latitudes and the central-marginal hypothesis predicts a unimodal pattern of GD along latitude, we hypothesized that SD and GD are uncorrelated. We also tested how climatic and edaphic factors affect the correlation between the two levels of biodiversity. Methods We measured (i) SD (species richness and Simpson's diversity index) and community dissimilarity of woody plants (63 plots), (ii) GD (allelic richness and expected heterozygosity) and genetic differentiation of a dominant tree species (Euptelea pleiospermum; 678 individuals from 21 populations) using nuclear microsatellite data, and (iii) climatic (annual mean precipitation, annual mean temperature, minimum temperature, maximum temperature, annual relative moisture, solar radiation, photosynthetically active radiation) and edaphic (total C, total N, total P, available P, K, Ca, Mg, Al, Fe, Mn, Ni, Zn, B, Mo, Cu, pH) variables of 21 sites. We conducted both linear and quadratic regression analyses of diversity parameters against latitude. Relationships between SD and GD were tested using Pearson's correlation. Pearson's and Spearman's. correlation coefficients were calculated between diversity parameters and environmental variables. We used stepwise multiple regression analysis to identify the significant environmental predictors of SD and GD. Important Findings We observed no significant correlation between measures of SD and GD. SD decreases with increasing latitude, which can be partly explained by the freezing-tolerance hypothesis, whereas GD presents a unimodal pattern along the latitudinal gradient, which is consistent with the prediction of the central-marginal hypothesis. The contrasting latitudinal patterns of SD and GD indicate that the two levels of biodiversity do not co-vary in space. Based on both correlation analysis and stepwise multiple regression analysis, SD is only related to climatic variables, whereas GD is mainly related to edaphic variables. Our results show that different geographical and environmental factors affect SD and GD, driving the non-significant correlation between the two fundamental levels of biodiversity. Furthermore, a significantly positive correlation was observed between genetic distance and community dissimilarity, both of which were significantly correlated with geographical distance. |
| 资助项目 | National Natural Science Foundation of China[31270562] ; National Natural Science Foundation of China[31470515] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2014314] |
| WOS研究方向 | Plant Sciences ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000456052800009 |
| 出版者 | OXFORD UNIV PRESS |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/6453]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Jiang, Mingxi |
| 作者单位 | 1.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, 1 Zhiwuyuan Rd, Wuhan 430074, Hubei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Mingxi,Meng, Hongjie,Bao, Dachuan,et al. Pattern and drivers of species-genetic diversity correlation in natural forest tree communities across a biodiversity hotspot[J]. JOURNAL OF PLANT ECOLOGY,2018,11(5):761-770. |
| APA | Jiang, Mingxi,Meng, Hongjie,Bao, Dachuan,&Wei, Xinzeng.(2018).Pattern and drivers of species-genetic diversity correlation in natural forest tree communities across a biodiversity hotspot.JOURNAL OF PLANT ECOLOGY,11(5),761-770. |
| MLA | Jiang, Mingxi,et al."Pattern and drivers of species-genetic diversity correlation in natural forest tree communities across a biodiversity hotspot".JOURNAL OF PLANT ECOLOGY 11.5(2018):761-770. |
入库方式： OAI收割
来源：武汉植物园
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。