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Impact of an alien invasive plant Amaranthus retroflexus on wetland sediment properties under two growth stages | |
Bai, Xiang1; Shang, Li-Xia2 | |
2017 | |
发表期刊 | JOURNAL OF FRESHWATER ECOLOGY |
卷号 | 32期号:1页码:581-589 |
文章类型 | Article |
摘要 | It is meaningful to investigate the impact of alien invasive plants on wetland sediment. Field experiments were conducted to study the impact of the alien invasive plant, Amaranthus retroflexus, on wetland sediment properties under two growth stages. The results showed that growth of A. retroflexus tended to increase moisture content, porosity, and could significantly decrease total nitrogen (TN) and nitrate (N-NO3-) concentrations in sediment and ammonium (N-NH4+) concentration in interstitial water (p < 0.05). However, no obvious impact was observed on total phosphorus (TP) nor on N-NH4+ concentrations in sediment. There was a difference in impact of A. retroflexus on sediment properties under two growth stages. The plants with a longer growth stage significantly decreased loss on ignition in sediment and P-PO43- concentration in interstitial water. There were also significant differences in N-NH4+ concentration in both sediment and interstitial water over the vertical profile of the plant. In the plant treatment with a longer growth stage, P-PO(4)(3-)concentration also showed significant differences over the vertical profile. Therefore, the growth of A. retroflexus can improve sediment physical and chemical properties, reducing N-NH4+ and P-PO43- release from sediment to overlying water to some extent, thereby decreasing sediment nutrient loading. |
关键词 | Amaranthus Retroflexus Sediment Properties Interstitial Water Growth Stage Wetland |
DOI | 10.1080/02705060.2017.1361477 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000408881200006 |
引用统计 | |
文献类型 | 期刊论文 |
版本 | 出版稿 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/143151 |
专题 | 海洋生态与环境科学重点实验室 |
作者单位 | 1.Hebei Univ Environm Engn, Dept Ecol, Qinhuangdao, Peoples R China 2.Chinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao, Peoples R China |
推荐引用方式 GB/T 7714 | Bai, Xiang,Shang, Li-Xia. Impact of an alien invasive plant Amaranthus retroflexus on wetland sediment properties under two growth stages[J]. JOURNAL OF FRESHWATER ECOLOGY,2017,32(1):581-589. |
APA | Bai, Xiang,&Shang, Li-Xia.(2017).Impact of an alien invasive plant Amaranthus retroflexus on wetland sediment properties under two growth stages.JOURNAL OF FRESHWATER ECOLOGY,32(1),581-589. |
MLA | Bai, Xiang,et al."Impact of an alien invasive plant Amaranthus retroflexus on wetland sediment properties under two growth stages".JOURNAL OF FRESHWATER ECOLOGY 32.1(2017):581-589. |
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