Structure and diversity of zooplankton communities in four reservoirs with varying nutrient compositions in the Yangtze River Basin, China

DOI

10.2991/rsete.2013.137How to use a DOI?

Keywords

plankton biodiversity index biotic index community structure temporal and spatial variations trophic types reservoir

Abstract

A total of 147 zooplankton species were identified from four reservoirs. Protozoa and rotifers were the most abundant species recorded. The following fifteen species were common to all four reservoirs: six protozoan species, four rotifer species, three cladoceran species and two copepod species (accounting for 40.0%, 26.7%, 20.0%, and 13.3% of the species common to all of the reservoirs, respectively). Zooplankton diversity was significantly higher (p < 0.01) in the Jinshahe reservoir than in the remaining three reservoirs, with a Shannon-Wiener index (H) of 2.99 and a Simpson index (d) of 5.16. Zooplankton diversity in the Daoguanhe reservoir was the lowest of the four reservoirs (H = 1.80, d = 2.48); higher values were obtained for the Xujiahe (H = 2.08, d = 3.58) and Taoyuanhe (H = 2.07, d = 3.72) reservoirs. The Simpson indices of the Xujiahe and Taoyuanhe were significantly different from those of the Daoguanhe (all p < 0.05). Protozoan and rotiferan biomasses were significantly positively correlated with COD, TN and TP (p < 0.01) and significantly negatively correlated with DO (p < 0.01). The cladoceran and copepod densities were low and highly variable, and they were not significantly correlated with COD, DO, TN or TP. The dominant species density was significantly correlated with zooplankton density. Zooplankton abundance was significantly negatively correlated with phytoplankton abundance in the Jinshahe but positively correlated in the Daoguanhe (correlation coefficient r = 0.45); no significant correlations were observed in the remaining two reservoirs.

Copyright

© 2013, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Lv Guangjun
PY  - 2013/08
DA  - 2013/08
TI  - Structure and diversity of zooplankton communities in four reservoirs with varying nutrient compositions in the Yangtze River Basin, China
BT  - Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013)
PB  - Atlantis Press
SP  - 564
EP  - 570
SN  - 1951-6851
UR  - https://doi.org/10.2991/rsete.2013.137
DO  - 10.2991/rsete.2013.137
ID  - Guangjun2013/08
ER  -