江苏省高宝湖区湖泊群富营养化特征分析  

Characteristic Analysis of Eutrophication on Lakes in Gaobao Water Resources Division in Jiangsu Province

作　　者：夏霆[1] 陈静[2] 龙健[1] 黄玉莹[1] 狄文亮 

机构地区：[1]南京工业大学环境学院,江苏南京211816 [2]江苏省水文水资源勘测局,江苏南京210029

出　　处：《环境监控与预警》2016年第4期40-45,共6页Environmental Monitoring and Forewarning

基　　金：国家水体污染控制与治理科技重大专项基金资助项目(2012ZX07501-002-08);江苏省环境监测科研基金资助项目(1117);江苏省水利科技基金资助项目(2014034)

摘　　要：对江苏省高宝湖区高邮湖、宝应湖、邵伯湖和白马湖湖泊富营养化共性与差异性特征进行了分析。结果表明,2009—2014年,4个湖泊总体处于中营养—轻度富营养之间,综合富营养状态指数值在年内均呈波动变化,丰水期明显大于枯水期;主要营养因子水平在4个湖泊之间均存在较明显的差异,尤其是TN和SD 2项指标阶梯状差异较为明显,Chl-a也呈现不同程度的年内分布水平差异,并在春、夏季存在藻类暴发风险;各湖泊Chl-a与环境因子相关性差异较大,宝应湖、白马湖以及总体分析的高宝湖群Chl-a均与水温、TP相关性显著,TP应是高宝湖群藻类生长限制的主导营养因子;各湖泊富营养化特征存在差异性,总体上宝应湖与白马湖富营养化特征较为类似,与高邮湖差异较大,邵伯湖富营养化特征与高邮湖接近,又兼有与宝应湖、白马湖相似性特征。The characteristics of similarity and heterogeneity on eutrophication effects were analyzed, which were found in the Gaoy- ou Lake, Baoying Lake, Shaobo Lake and Baima Lake in Gaobao Water Resources Division in Jiangsu Province. The results showed that 4 lakes were in status of mesotrophication or mild eutrophication from 2009 to 2014, and values of Comprehensive Nutrition State Index fluctuated within a year, with a better nutrition status in flood season than that in dry season. Values of main nutrition factors in 4 lakes were significantly different, especially TN and SD, and chlorophyll-a presented different levels in the temporal dis- tribution, with a risk of algae outbreak in spring and summer. Correlations between chlorophyll-a concentration and environmental factors were different in these lakes, but significantly positive correlations between chlorophyll-a concentration and water tempera- ture, total phosphorus, were found in the Baoying Lake, Baima Lake, and lakes in Gaobao Water Resources Division analyzed in general. The total phosphorus might be the limited nutrition factor for the growth of algae. As for the trophic characteristics, although there were some differences in 4 lakes, the Baoying Lake was more similar with the Baima Lake in general, and different from the Gaoyou Lake. The Shaobo Lake was more similar with the Gaoyou Lake, as well as some similarities with the Baoying Lake and Baima Lake.

关 键 词：高宝湖群 富营养化 共性 差异性 

分 类 号：X524[环境科学与工程—环境工程]