广东近岸海域2005年春季的腹泻性贝毒素特征分析

Analysis on diarrhetic shellfish poisoning of shellfish from coastal area of the Guangdong Province in spring 2005

2005年春季,在广东省近岸海域的27个采样点进行了贝类样品采集,共采集了35个品种的120个样品。用小白鼠生物法进行检测,结果表明,无论从检测的样品总数或者从检测的生物品种还是从采样的地理位置来看,DSP毒素的检出率和超标率均较高。DSP染毒的生物品种较多,但不同的生物品种的检出情况不同,在受检样品数量较多的品种中,超标情况最多的是波纹巴非蛤,其次是牡蛎和翡翠贻贝。DSP染毒贝类的地理分布范围较广,几乎覆盖了整个广东省沿海,包括了广东省12大重点海湾海水养殖区,从采集的生物品种数量较多的几个海域来看,北津港(东平)的超标率和检出率均为最高,而水东港(水东)的超标率和检出率均为最低。其它海域DSP染毒的情况各有不同。

The samples of DSP toxicity in shellfish from the Guangdong alongshore collected from Mar.to May,2005,including 27 sampling sites,35 species and 120 samples,were detected with Mouse bioassay.The results showed that both of the ratios of holding DSP toxicity and superstandard are higher in the species and in regions.The contaminated species are greater and main contaminated species is Paphia(Paratapes) undulata,next species are oysters and Perna viridis.The distributing regions of contaminated species are ab...