SPECIES SIMILARITY - DISTANCE RELATIONSHIP IN WETLANDS: EFFECT OF DISTURBANCE INTENSITY
文献类型：期刊论文
| 作者 | Lu, Tao ; Ma, Keming ; Zhang, Yuxin ; Ni, Hongwei ; Fu, Bojie |
| 刊名 | POLISH JOURNAL OF ECOLOGY
 |
| 出版日期 | 2009 |
| 卷号 | 57期号:4页码:647-657 |
| 关键词 | distance decay ditch density environmental distance geographical distance species turnover |
| 中文摘要 | Disturbance is considered to be one of the main factors influencing variations in species diversity. While many experimental and observational studies provide a good understanding of how disturbance maintains the alpha-diversity, we know little about how disturbance influences beta-diversity and the effects of disturbance intensity on spatial species turnover are lacking. The aim of this paper is to evaluate the effects of disturbance on patterns of species similarity in wetland communities, and to identify how disturbance intensity affects the species similarity - distance relationship. In our study, four isolated wetland remnants under different agricultural drainage ditch densities were surveyed in Sanjiang Plain, Northeast China. Wetland disturbance was assessed by agricultural ditch densities, and species similarity was quantified by the Jaccard index. A simple measure of environmental distance was obtained by using water level and five soil variables, and a corresponding measure of geographical distance was made between pairs of plots from each site. Based on these data, we estimated rates of distance decay through regression of log-transformed compositional similarity against both environmental and geographical distance for pair-wise comparisons of wetland plots from each site. One key finding of our research is that disturbance intensity does influence the species similarity - distance relationship. At each site, species similarity decreased significantly with distance, and both effects of geographical and environmental distance were statistically significant. The results indicate that with disturbance intensity increasing, the distance decay rate decreases. |
| WOS记录号 | WOS:000273093000003 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/21415]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Lu, Tao,Ma, Keming,Zhang, Yuxin,et al. SPECIES SIMILARITY - DISTANCE RELATIONSHIP IN WETLANDS: EFFECT OF DISTURBANCE INTENSITY[J]. POLISH JOURNAL OF ECOLOGY,2009,57(4):647-657. |
| APA | Lu, Tao,Ma, Keming,Zhang, Yuxin,Ni, Hongwei,&Fu, Bojie.(2009).SPECIES SIMILARITY - DISTANCE RELATIONSHIP IN WETLANDS: EFFECT OF DISTURBANCE INTENSITY.POLISH JOURNAL OF ECOLOGY,57(4),647-657. |
| MLA | Lu, Tao,et al."SPECIES SIMILARITY - DISTANCE RELATIONSHIP IN WETLANDS: EFFECT OF DISTURBANCE INTENSITY".POLISH JOURNAL OF ECOLOGY 57.4(2009):647-657. |
入库方式： OAI收割
来源：生态环境研究中心
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