No-effect concentrations in algal growth inhibition tests

被引:26
作者
Kooijman, SALM
Hanstveit, AO
Nyholm, N
机构
[1] TNO,MW,INST ENVIRONM SCI,NL-2600 JA DELFT,NETHERLANDS
[2] TECH UNIV DENMARK,INST ENVIRON SCI & ENG,DK-2800 LYNGBY,DENMARK
关键词
NOEC; EC50; NEC; growth rate; killing rate; adaptation;
D O I
10.1016/0043-1354(96)00056-5
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
We propose three simple models for effects of chemical compounds on the growth of batch cultures of algae that allow the estimation of the no-effect concentration. The growth model assumes that the costs for growth is proportional to the concentration that exceeds the no-effect level. The hazard model assumes that the hazard rate is proportional to the concentration that exceeds the no-effect level. The adaptation model is similar to the hazard model, but the effects only occur at the start. The no-effect concentrations of the three models turn out to be very similar. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:1625 / 1632
页数:8
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