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Environmental Science and Pollution Research

, Volume 24, Issue 4, pp 4040–4047 | Cite as

Effects of portable solar water quality control machines on aquaculture ponds

  • Xingguo LiuEmail author
  • Hao Xu
  • Guofeng Cheng
  • Chong Liu
  • Shijing Liu
  • Shimin Lu
  • Changfeng Tian
  • Rong Tang
  • Zhaojun Gu
Research Article
  • 139 Downloads

Abstract

The effects of a portable solar water quality control machine (PSWM) on water quality and sediment of aquaculture ponds were studied in bream aquaculture ponds in Shanghai, China. PSWM operation reduced the temperature and dissolved oxygen (DO) differences between upper and lower water levels. Concentrations of NH4 +-N, NO2 -N, TN, TP, COD and TSS increased rapidly and reached maximums at 12 h. The density and biomass of phytoplankton and levels of chlorophyll a reached maximums after 40 h of PSWM operation. In a 165-day study, the mean concentrations of NH4 +-N, NO2 -N and the available phosphorous (AP) in the PSWM ponds were significantly lower than in the control ponds, but the TP was significantly greater than the control ponds. Compared with the test began, the thickness of the sediment in PSWM ponds declined by 12.4 ± 4.3 cm, the control ponds increased by 5.0 ± 2.3 cm and the TN and AP levels in sediment significantly declined. PSWM treatment increased the production of bream and silver carp by 30 and 25%, respectively, and the feed coefficient was reduced by 24.2%. Use of PSWM in bream aquaculture ponds improved water quality, reduced sediment, reduced aquaculture pollution emissions and increased production.

Keywords

Water quality Sediment Pond aquaculture Solar portable control machine 

Notes

Acknowledgements

This work was supported by the NSFC (Natural Science Foundation of China) 31372570, key projects in the National Science & Technology Pillar Program (2012BAD25B01), and the science and technology key project for the development of the agriculture of Shanghai (2014, 6-3). We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Xingguo Liu
    • 1
    • 2
    Email author
  • Hao Xu
    • 1
    • 2
  • Guofeng Cheng
    • 1
    • 2
  • Chong Liu
    • 1
  • Shijing Liu
    • 2
  • Shimin Lu
    • 2
  • Changfeng Tian
    • 1
    • 2
  • Rong Tang
    • 2
  • Zhaojun Gu
    • 1
    • 2
  1. 1.Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery SciencesShanghaiChina
  2. 2.Key Laboratory of Fishery Equipment and Engineering, Ministry of AgricultureShanghaiChina

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