摘要
2006年4月至2007年1月,对牡丹江浮游植物丰度及其环境因子进行监测,并运用灰色关联分析方法对浮游植物丰度与环境因子关系进行相关性分析。结果表明,牡丹江浮游植物丰度时间分布以春季最高,秋季次之,冬季最低;空间分布表现为牡丹江水源地镜泊湖区域(2#、3#)最高,牡丹江出水口(9#)次之,然后依次为牡丹江入水口(1#)和牡丹江中下游(4#、5#、6#、7#)。不同季节对浮游植物丰度产生影响的主要相关因子并不相同,春季为CODMn、BOD5和pH;夏季为BOD5、温度和溶解氧;秋、冬季均为氨氮、BOD5和温度;其中影响最大的是BOD5,因此控制城市生活污水以及沿岸工厂污水的过量排放对于维持牡丹江河流生态系统的健康是非常重要的。
Based on gray relational analysis,the phytoplankton abundance and environmental factors were investigated from April 2006 to January 2007 in Mudanjiang River. The results showed that temporal of phytoplankton abundance distribution was superior in spring, in autumn was inferior to the spring, in winter was the lowest. The spatial distribution of phytoplankton abundance was that the area of Jingpo lake was superior to the others, including 2# and 3# site, then was the 9# site, and the 1# was lower, and middle-low stream was the lowest , including 4#、5#、6#、7#. The phytoplankton quantity varied with the changes of environmental factors, and the factors which seriously influenced phytoplankton were different in seasonal variation, in spring, CODMn、BOD5 and pH were the main factors; in summer, BOD5 ,temperature and DO were the main factors; in autumn and winter, NH4-N,temperature and BOD5were the main factors; BOD5 was the most influenced factor. Therefore, it is important to control the polluted water from the city and manufactory inputting to maintain ecosystem healthiness of Mudan River.
出处
《湿地科学》
CSCD
2008年第2期293-297,共5页
Wetland Science
基金
黑龙江省科技攻关项目(GC04B520)资助
关键词
浮游植物
环境因子
灰色关联分析
牡丹江
phytoplankton
environmental factors
grey relational analysis
Mudan River
