Effects of experimental nitrogen additions on plant diversity in tropical forests of contrasting disturbance regimes in southern China
文献类型：SCI/SSCI论文
| 作者 | Lu X. K. ; Mo J. M. M. ; Gilliam F. S. ; Yu G. R. ; Zhang W. ; Fang Y. T. ; Huang J. |
| 发表日期 | 2011 |
| 关键词 | Nitrogen deposition Biodiversity Tropical reforestation Land-use history Light limitation simulated n deposition appalachian hardwood forest impacted pine forest subtropical china herbaceous layer nutrient limitation secondary forests air-pollution mab reserve land-use |
| 英文摘要 | Responses of understory plant diversity to nitrogen (N) additions were investigated in reforested forests of contrasting disturbance regimes in southern China from 2003 to 2008: disturbed forest (with harvesting of understory vegetation and litter) and rehabilitated forest (without harvesting). Experimental additions of N were administered as the following treatments: Control, 50 kg N ha(-1) yr(-1), and 100 kg N ha(-1) yr(-1). Nitrogen additions did not significantly affect understory plant richness, density, and cover in the disturbed forest. Similarly, no significant response was found for canopy closure in this forest. In the rehabilitated forest, species richness and density showed no significant response to N additions; however, understory cover decreased significantly in the N-treated plots, largely a function of a significant increase in canopy closure. Our results suggest that responses of plant diversity to N deposition may vary with different land-use history, and rehabilitated forests may be more sensitive to N deposition. (C) 2010 Elsevier Ltd. All rights reserved. |
| 出处 | Environmental Pollution |
| 卷 | 159 |
| 期 | 10 |
| 页 | 2228-2235 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 0269-7491 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/23350]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Lu X. K.,Mo J. M. M.,Gilliam F. S.,et al. Effects of experimental nitrogen additions on plant diversity in tropical forests of contrasting disturbance regimes in southern China. 2011. |
入库方式： OAI收割
来源：地理科学与资源研究所
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