太湖藻类磷的时空变化

IF 2.3 Q3 ENVIRONMENTAL SCIENCES
Yu Zhang, Wei Zhu, Ruochen Wang, G. Feng, Zongpu Xue, Shuai Zhao, Yiyan Lv
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引用次数: 2

摘要

太湖的磷循环引起了人们的广泛关注,但微囊藻对该地区磷循环的贡献尚不清楚。在这项研究中,实验室测定了2015-2016年从该湖采集的藻类样本中的磷浓度。根据浓度数据,计算了藻磷总量,并考察了藻磷的季节变化。结果表明,太湖微囊藻细胞内磷含量在0.044~0.130pg/细胞之间变化,春季高,夏季低。研究期间,太湖藻类磷总量在7.78至97.32t之间。藻类磷仅占水中磷存量的1.5%至18.5%。由于微囊藻在顺风方向积累,总磷浓度在湖的东部有低而在湖的西部有高的趋势。这一关于藻类磷时空分布的新信息有助于我们理解微囊藻中的磷是如何促进太湖磷循环的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatial and temporal variations in algal phosphorus in Taihu Lake
Phosphorus circulation in Taihu Lake has attracted extensive attention, but the contribution of Microcystis to phosphorus circulation in this area is unknown. In this study, the phosphorus concentrations in algal samples collected from the lake in 2015–2016 were determined in the laboratory. From the concentration data, the total quantity of algal phosphorus was calculated and the seasonal variations in algal phosphorus were examined. The results indicated that the intracellular phosphorus content of Microcystis in Taihu varied from 0.044 to 0.130 pg/cell and tended to be high in spring and low in summer. The total amount of algal phosphorus in Taihu Lake ranged between 7.78 and 97.32 t over the study period. Algal phosphorus only accounted for between 1.5 and 18.5% of the phosphorus stock in the water. Because Microcystis accumulated downwind, there was a tendency for the total phosphorus concentrations to be low in the east of the lake and high in the west of the lake. This new information about the spatial and temporal distribution of algal phosphorus contributes to our understanding of how phosphorus in Microcystis contributes to phosphorus circulation in Taihu Lake.
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来源期刊
Blue-Green Systems
Blue-Green Systems Multiple-
CiteScore
8.70
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