Influence of environmental changes on picophytoplankton and bacteria in Daya Bay, South China Sea

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 热带海洋环境国家重点实验室(LTO)

	Influence of environmental changes on picophytoplankton and bacteria in Daya Bay, South China Sea
	Wu, ML ; Wang, YT ; Wang, YS ; Sun, FL
刊名	CIENCIAS MARINAS
	2014
卷号	40 期号:3 页码:197-210
关键词	picophytoplankton bacteria flow cytometry Daya Bay
ISSN号	0185-3880
通讯作者	mlwu@scsio.ac.cn
中文摘要	Environmental changes driven by intense human disturbance and natural processes govern the abundance and distribution characteristics of two picophytoplankton groups (Synechococcus and picoeukaryotes). Picophytoplancton and high DNA (HDNA) and low DNA (LDNA) bacterial groups, identified by flow cytometry, were assessed during the autumn monsoon transition period in Daya Bay (South China Sea). The abundance of Synechococcus and picoeukaryotes ranged from 2.16 x 10(4) to 1.45 x 10(5) cell mL(-1) and from 0.78 x 10(3) to 7.95 x 10(3) cell mL(-1), respectively. The abundance of HDNA bacteria in surface water (mean: 5.58 x 10(5) cell mL(-1)) was greater than in bottom water (mean: 3.74 x 10(5) cell mL(-1)), with significant difference (n= 12, P = 0.05). The difference in LDNA abundances between surface (mean: 7.06 x 10(5) cell mL-1) and bottom (mean: 4.83 x 10(5) cell mL(-1)) waters was insignificant (n = 12, P > 0.05). The results of the principal component analysis showed that both picophytoplankton (Synechococcus and picoeukaryotes) and bacteria (HDNA and LDNA) were positively related to nutrients (NO3-N, NH4-N, and SiO3-Si). Three subsystems in the bay were identified as follows: the west and east parts, the central and northwest parts, and the mouth and central part.
学科主题	Marine & Freshwater Biology
收录类别	SCI
资助信息	National Natural Science Foundation of China [31270528, 41206082]; Key Laboratory for Ecological Environment in Coastal Areas, State Oceanic Administration [201211]; Key Laboratory of Marine Ecology and Environmental Science and Engineering, State Oceanic Administration [MESE-2013-02]
原文出处	INST INVESTIGACIONES OCEANOLOGICAS, U A B C
WOS记录号	WOS:000343620800004
公开日期	2014-12-11
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/10505]
专题	南海海洋研究所_热带海洋环境国家重点实验室(LTO)
推荐引用方式 GB/T 7714	Wu, ML,Wang, YT,Wang, YS,et al. Influence of environmental changes on picophytoplankton and bacteria in Daya Bay, South China Sea[J]. CIENCIAS MARINAS,2014,40(3):197-210.
APA	Wu, ML,Wang, YT,Wang, YS,&Sun, FL.(2014).Influence of environmental changes on picophytoplankton and bacteria in Daya Bay, South China Sea.CIENCIAS MARINAS,40(3),197-210.
MLA	Wu, ML,et al."Influence of environmental changes on picophytoplankton and bacteria in Daya Bay, South China Sea".CIENCIAS MARINAS 40.3(2014):197-210.