深圳湾浮游细菌生物量的时空动态及影响因素

陈淑文; 宋俊廷; 类成龙; 汪翔; 蔡中华

doi:10.3969/j.issn.1001-909X.2016.04.011

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海洋学研究 ›› 2016, Vol. 34 ›› Issue (4) : 84-91. DOI: 10.3969/j.issn.1001-909X.2016.04.011

研究报道

深圳湾浮游细菌生物量的时空动态及影响因素

陈淑文¹, 宋俊廷¹, 类成龙¹, 汪翔¹, 蔡中华^*2

作者信息 +

Temporal and spatial dynamics of bacterioplankton biomass and the influenced factors in Shenzhen Bay

CHEN Shu-wen¹, SONG Jun-ting¹, LEI Cheng-long¹, WANG Xiang¹, CAI Zhong-hua^*2

Author information +

文章历史 +

摘要

自2015年5月至2016年3月在深圳湾布设了3个站位,对该海域进行了每季至少1次共7个航次的浮游细菌生物量调查。结果表明:(1)深圳湾浮游细菌生物量季节均值的变化范围为(4.90~86.90)×10^-2μg·mL^-1,总均值为3.14×10^-1μg·mL^-1;(2)深圳湾浮游细菌生物量的季节变化模式为:冬季(5.98×10^-1μg·mL^-1)>秋季(3.02×10^-1μg·mL^-1)>夏季(2.79×10^-1μg·mL^-1)>春季(7.52×10^-2μg·mL^-1);(3)从空间分布来看,浮游细菌生物量湾中含量最高,湾口其次,湾顶最低;(4)深圳湾浮游细菌生物量与亚硝氮含量呈极显著的正相关(P<0.01),与氨氮含量呈显著正相关(P<0.05);(5)深圳湾水体中浮游细菌丰度季节均值变化范围为(2.45~43.50)×10⁶个·mL^-1,年均值达1.57×10⁷个·mL^-1;(6)从整体的细菌丰度及生物量来看,深圳湾海域呈现富营养化状态,湾中最严重,湾口次之,湾顶最轻。

Abstract

In order to study the extent of eutrophication in Shenzhen Bay, spatial and temporal distributions of bacterioplankton biomass were seasonally investigated at three sampling stations in Shenzhen Bay in May, June, September, October and December in 2015 and March in 2016. The seasonal bacterioplankton biomass ranged from 4.90×10^-2μg·mL^-1to 86.90×10^-2μg·mL^-1, with an annual average of 3.14×10^-1μg·mL^-1. The bacterioplankton biomass was the greatest in winter (5.98×10^-1μg·mL^-1), followed by autumn (3.02×10^-1μg·mL^-1), summer (2.79×10^-1μg·mL^-1), and spring (7.52×10^-2μg·mL^-1) in turn, revealing different seasonal patterns in this bay. The bacterioplankton biomass decreased horizontally from the center of the bay to the mouth of the bay and the top of the bay, with a higher biomass at station near the area for cultivation. The bacterioplankton biomass was significantly po sitively relatived to NO^-₂-N and NH⁺₄-N in Shenzhen Bay. The seasonal abundance of bacterioplankton ranged from 2.45×10⁶ ind·mL^-1 to 43.50×10⁶ ind·mL^-1, with an annual average of 1.57×10⁷ ind·mL^-1, implying serious eutrophication in this bay and revealing a decreasing pattern from the center to the mouth and the top of the bay.

导出引用

陈淑文, 宋俊廷, 类成龙, 汪翔, 蔡中华. 深圳湾浮游细菌生物量的时空动态及影响因素[J]. 海洋学研究. 2016, 34(4): 84-91 https://doi.org/10.3969/j.issn.1001-909X.2016.04.011

CHEN Shu-wen, SONG Jun-ting, LEI Cheng-long, WANG Xiang, CAI Zhong-hua. Temporal and spatial dynamics of bacterioplankton biomass and the influenced factors in Shenzhen Bay[J]. Journal of Marine Sciences. 2016, 34(4): 84-91 https://doi.org/10.3969/j.issn.1001-909X.2016.04.011

中图分类号： Q938

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