The effect of <I>Alexandrium tamarense</I> on life activity of bivalves

ZHOU Ming-jiang; YAN Tian; FU Meng; WANG Yun-feng; YU Ren-cheng; LI Jun

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ZHOU Ming-jiang, YAN Tian, FU Meng, WANG Yun-feng, YU Ren-cheng, LI Jun. The effect of Alexandrium tamarense on life activity of bivalves[J]. Haiyang Xuebao, 2004, 26(2): 81-86.

Citation:

ZHOU Ming-jiang, YAN Tian, FU Meng, WANG Yun-feng, YU Ren-cheng, LI Jun. The effect of Alexandrium tamarense on life activity of bivalves[J]. Haiyang Xuebao, 2004, 26(2): 81-86.

ZHOU Ming-jiang, YAN Tian, FU Meng, WANG Yun-feng, YU Ren-cheng, LI Jun. The effect of Alexandrium tamarense on life activity of bivalves[J]. Haiyang Xuebao, 2004, 26(2): 81-86.

Citation:

ZHOU Ming-jiang, YAN Tian, FU Meng, WANG Yun-feng, YU Ren-cheng, LI Jun. The effect of Alexandrium tamarense on life activity of bivalves[J]. Haiyang Xuebao, 2004, 26(2): 81-86.

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The effect of Alexandrium tamarense on life activity of bivalves

Key Laboratory of Marine Ecology and Environment Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 2001-12-30
Rev Recd Date: 2002-03-22

Abstract

Abstract

The effects of a PSP producing dinoflag ellate Alexandrium tamarense on marine bivalves at their several important life stages: egg, S-shape larva, eyespot larva, juvenile and adult, are studied.The results show that the hatching, survival, activity, filtration and growth are adversely affected by the alga and the impact is significant with the increased algal density.The inhibitory effect on egg hatching is most significant, which the hatching rate is only 30% of the control when exposed to the alga at 100 cells/cm³ after 36 h.Fur ther experiment shows that the algal culture, cells and cell fragments have the inhibitory effect, but no effect from the cell-free medium, cell contents and standard STX.The results indicate that the alga can produce unknown toxins, rather than PSP, associated with the cell surface.
- harmful algal bloom,
- Alexandrium tamarense,
- bivalve,
- toxicity,
- unknown toxins

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References(14)

References

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