摘要
本文总结了近年来有毒物质对水生态系统的生态效应研究现状及发展趋势，提出了今后测定有毒物质生态效应应该注意的问题。
New methods and concepts of the studies on the ecological effects of toxicant substances are reviewed. Problems which should be carefully considered in future research about the evaluation of ecological effects of toxicant substances on aquatic ecosystems are put forward.
