The relation between distribution of zooplankton and salinity in the Changjiang Estuary

Qian Gao; Zhaoli Xu; Ping Zhuang

doi:10.1007/s00343-008-0178-1

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The relation between distribution of zooplankton and salinity in the Changjiang Estuary

OriginalPaper | Updated：2023-05-16

- The relation between distribution of zooplankton and salinity in the Changjiang Estuary
- The relation between distribution of zooplankton and salinity in the Changjiang Estuary
- 海洋湖沼学报（英文） 2008年26卷第2期页码：178-185
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Key and Open Laboratory of Marine and Estuary Fisheries Ministry of Agriculture of China East China Sea Fisheries Research Institute Chinese Academy of Fisheries Sciences
  3. Graduate University of Chinese Academy of Sciences
- Author bio：
- Funds：
  
  Supported by the Major Research Plan of the Natural Science Foundation (NSF) of China (No.90511005), Major Program of NSF of China (No.30490234, WP4-003), Research Project of Shanghai Yangtze Estuarine Natural Reserve for Chinese Sturgeon and Special Research Project of the Ministry of Science and Technology of China (No. 2003DIB4J129)
- DOI：10.1007/s00343-008-0178-1
  中图分类号：
- 网络首发：2008-05-28，
  
  纸质出版：2008
- Accepted：
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The relation between distribution of zooplankton and salinity in the Changjiang Estuary[J]. 海洋湖沼学报（英文）, 2008,26(2):178-185.

Gao, Q., Xu, Z. & Zhuang, P. The relation between distribution of zooplankton and salinity in the Changjiang Estuary., Chin. J. Ocean. Limnol. 26, 178–185 (2008). https://doi.org/10.1007/s00343-008-0178-1
The relation between distribution of zooplankton and salinity in the Changjiang Estuary[J]. 海洋湖沼学报（英文）, 2008,26(2):178-185. DOI： 10.1007/s00343-008-0178-1.

Gao, Q., Xu, Z. & Zhuang, P. The relation between distribution of zooplankton and salinity in the Changjiang Estuary., Chin. J. Ocean. Limnol. 26, 178–185 (2008). https://doi.org/10.1007/s00343-008-0178-1 DOI：

摘要

Abstract

Seasonal netzplankton samples from stations in the Changjiang (Yangtze River) Estuary were collected from May

2004 to February

2005. The dominant species and their contribution to the total zooplankton abundance were determined. Moreover

the relationship between the salinity and abundance was studied with stepwise linear regression. During the whole year

the salinity was positively correlated with the abundance

while the temperature

negatively. Linear regression analysis showed also a high positive correlation with salinity for total abundance in August and November

while in February and May

no obvious relations were found. The most abundant community was composed of neritic and brackish-water species. The North Passage (NP) (salinity <5) was greatly diluted by freshwater while the North Branch (NB) was brackish water with salinity range of 12–28. Consequently

clear decline in abundance of zooplankton was along the estuarine haloclines from the maximum in the area of high salinity to the minimum in the limnetic zone. Total zooplankton abundance and biomass were lower in NP than the NB in all seasons. In short

the salinity influenced the abundance of each species of zooplankton

and ultimately determined the total abundance of zooplankton. Furthermore

a winter peak in the abundance existed

which might be caused by the flourishing of Sinocalanus sinensis

a widely distributed species in the Changjiang Estuary.

关键词

Keywords

references

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