Relationships between plant species richness and environmental factors in nature reserves at different spatial scales

被引:7
作者
Zhang, Xiuhua [1 ,2 ]
Wang, Hui [1 ]
Wang, Renqing [1 ,3 ,4 ]
Wang, Yutao [4 ]
Liu, Jian [1 ]
机构
[1] Shandong Univ, Inst Environm Res, Jinan 250100, Shandong, Peoples R China
[2] Shandong Urban Construct Vocat Coll, Jinan 250103, Shandong, Peoples R China
[3] Shandong Univ, Sch Life Sci, Inst Ecol & Biodivers, Jinan 250100, Shandong, Peoples R China
[4] Shandong Univ, Shandong Prov Engn & Technol Res Ctr Vegetat Ecol, Jinan 250100, Shandong, Peoples R China
来源
POLISH JOURNAL OF ENVIRONMENTAL STUDIES | 2017年 / 26卷 / 05期
基金
中国国家自然科学基金;
关键词
nature reserves; biodiversity; plant groups; environmental factors; GLOBAL PATTERNS; DIVERSITY; ENERGY; WOODY; DETERMINANTS; PTERIDOPHYTE; TEMPERATURE; ECOLOGY;
D O I
10.15244/pjoes/69032
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The relationships between species richness and driving factors might vary with taxa and spatial scale. For this study we used plant species data of eight groups from nature reserves in China, namely pteridophytes, gymnosperms, angiosperms, vascular plants, Chinese endemic species, rare and endangered plants, woody plants, and herbaceous plants, and eight putative environmental predictors to explore the relationships between plant species richness and environmental factors at two spatial scales (temperate region and national scale). Our data suggested that area, mean annual temperature, and mean annual precipitation were the determinants of variation in species richness within these eight groups in the temperate nature reserves of Shandong Province in China. The relationships between plant species richness and environmental factors were consistent in different groups. However, the relationships between species richness and mean annual temperature varied with spatial scale. In the temperate region, species richness was negatively correlated with mean annual temperature and positively correlated with mean annual precipitation, whereas on a national scale species richness was positively correlated with both mean annual temperature and mean annual precipitation. Our study confirmed that the relationships between plant species richness and environmental factors in nature reserves were consistent in the studied groups and varied with spatial scale.
引用
收藏
页码:2375 / 2384
页数:10
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