%0 Journal Article %T Phytoplankton Assemblages and Their Relation to Environmental Factors by Multivariate Statistic Analysis in Bohai Bay
渤海湾浮游植物与环境因子关系的多元分析 %A ZHOU Ran %A PENG Shi-tao %A QIN Xue-bo %A SHI Hong-hua %A DING De-wen %A
周然 %A 彭士涛 %A 覃雪波 %A 石洪华 %A 丁德文 %J 环境科学 %D 2013 %I %X A detailed field survey of hydrological, chemical and biological resources was conducted in the Bohai Bay in spring and summer 2007.The distributions of phytoplankton and their relations to environmental factors were investigated with multivariate analysis techniques. Totally 17 and 23 taxa were identified in spring and summer, respectively. The abundance of phytoplankton in spring was 115×104 cells·m-3, which was significantly higher than that in summer (3.1×104 cells·m-3). Characteristics of phytoplankton assemblages in the two seasons were identified using principal component analysis (PCA), while redundancy analysis (RDA) was used to examine the environmental variables that may explain the patterns of variation of the phytoplankton community. Based on PCA results, in the spring, the phytoplankton was mainly distributed in the center and northern water zone, where the nitrate nitrogen concentration was higher. However, in summer, phytoplankton was found distributed in all zones of Bohai Bay, while the dominant species was mainly distributed in the estuary. RDA indicated that the key environmental factors that influenced phytoplankton assemblages in the spring were nitrate nitrogen (NO3--N), nitrite nitrogen (NO2--N) and soluble reactive phosphorus (SRP), while ammonium nitrogen (NH4+-N) and water temperature (WT) played key roles in summer. %K phytoplankton %K environmental factors %K multivariate analysis techniques %K spring and summer %K Bohai Bay
浮游植物 %K 环境因子 %K 多元分析技术 %K 春夏季 %K 渤海湾 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=9C65539B20E123FC9F7E2066C272BF91&yid=FF7AA908D58E97FA&vid=339D79302DF62549&iid=38B194292C032A66&sid=F90340A344159B2E&eid=BF1420E7E18952EE&journal_id=0250-3301&journal_name=环境科学&referenced_num=0&reference_num=31