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Marine Biology

, Volume 114, Issue 2, pp 235–240 | Cite as

Experimental study on acute effects of the combined exposure to temperature increase and chlorination upon the marine copepod Acartia omorii

  • K. Marumo
  • E. Sato
  • Y. Ishikawa
Article

Abstract

The acute effects of combined exposure to temperature increase and chlorination on a neritic marine copepod, Acartia omorii Bradford (collected offshore of Onjuku, Japan in 1982), were investigated in the laboratory. Continuous flow exposure and batch exposure modes were compared. Based on the results of continuous flow experiments, the 24-h median lethal concentration (24-h LC50, in mg l-1) of total residual chlorine was estimated using the multiple regression equation below, with a multiple correlation coefficient of 0.955: 24-h LC50=2.988-0.034 dT-1.611 log10t where dT is temperature rise (°C) and t is exposure duration (min). In batch experiments, the predictive power of the multiple regression equation was reduced, probably due to variations in chlorine concentration during exposure duration.

Keywords

Chlorine Predictive Power Continuous Flow Acute Effect Batch Experiment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • K. Marumo
    • 1
  • E. Sato
    • 2
  • Y. Ishikawa
    • 1
  1. 1.Research Division II, Tokyo Head OfficeMarine Ecology Research InstituteTokyoJapan
  2. 2.Japan NUS Co., Ltd.KanagawaJapan

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