深圳湾浮游细菌生物量的时空分布及其影响因素

doi:10.11978/j.issn.1009-5470.2013.03.010

Abstract

Abstract:

Spatial and temporal distributions of bacterioplankton biomass were seasonally investigated at 10 sampling stations in Shenzhen Bay in February, May, August, and November of 2008. The bacterioplankton biomass ranged from 0.82×10^-2to 36.42×10^-2μg·mL^-1, with an annual average of 9.97×10^-2μg·mL^-1. The bacterioplankton biomass was the greatest in spring (19.80×10^-2μg·mL^-1), followed by winter (7.00×10^-2μg·mL^-1), summer (3.77×10^-2μg·mL^-1), and autumn (3.60×10^-2μg·mL^-1) in turn, revealing different seasonal patterns in this bay compared with other sea areas. The bacterioplankton biomass decreased horizontally from the inner bay to the outer bay, and from landward to seaward, with a higher biomass at some stations near river mouth and harbor. The bacterioplankton biomass was significantly positively relative to PO₄^3--P, TN, COD, and TOC in Shenzhen Bay. Input of organic matters from land influenced horizontal and temporal distributions of bacterioplankton biomass. The abundance of bacterioplankton ranged from 0.41×10⁶ to 18.2×10⁶ ind·mL^-1, with an annual average of 5.21×10⁶ ind·mL^-1, implying serious eutrophication in this bay and revealing a decreasing pattern from the inner bay to the outer bay.

Key words: Shenzhen Bay, bacterioplankton, biomass, temporal and spatial distribution, environmental factors

CLC Number:

P735

ZHOU Kai, ZHANG Jie-xiang, ZHANG Yu-bin, LU Dong-wei, DING Yu-jing, SUN Xing-li. Temporal and spatial distributions of bacterioplankton biomass and the influenced factors in Shenzhen Bay[J].Journal of Tropical Oceanography, 2013, 32(3): 65-71.

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

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