四种重金属对鮸状黄姑鱼胚胎和仔鱼的毒性
JOURNAL OF OCEANOGRAPHY IN TAIWAN STRAIT（1999）
Abstract
本文研究了汞、铜、锌和铬四种重金属对鮸状黄姑鱼(Nibea miichthioides)胚胎发育和仔鱼存活的影响.结果表明:在试验浓度范围内,胚胎发育受阻,受精卵孵化率显著低于对照组,初孵仔鱼出现不同程度的畸形,这些重金属对鮸状黄姑鱼仔鱼的毒性强弱依次为Hg2+＞Cu2+＞Zn2+＞Cr6+.根据实验数据求得四种重金属对鮸状黄姑鱼仔鱼的24、48、72和96h LC50值及安全浓度.
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