Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae

Huang Bangqin; Huang Shiyu; Weng Yan; Hong Huasheng

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Huang Bangqin, Huang Shiyu, Weng Yan, Hong Huasheng. Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae[J]. Haiyang Xuebao, 1999, 21(1): 55-60.

Citation:

Huang Bangqin, Huang Shiyu, Weng Yan, Hong Huasheng. Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae[J]. Haiyang Xuebao, 1999, 21(1): 55-60.

Huang Bangqin, Huang Shiyu, Weng Yan, Hong Huasheng. Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae[J]. Haiyang Xuebao, 1999, 21(1): 55-60.

Citation:

Huang Bangqin, Huang Shiyu, Weng Yan, Hong Huasheng. Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae[J]. Haiyang Xuebao, 1999, 21(1): 55-60.

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Effect of dissolved phosphorus on alkaline phosphatase activity in marine microalgae

1.
Research Laboratory of SEDC on Marine Ecological Environment/Environmental Science Research Center, Xiamen University, Xiamen 361005
2.
Fishers College, Jimei University, Jimei 361021

Received Date: 1997-01-27
Rev Recd Date: 1998-08-27

Abstract

Abstract

It was thought that phosphorus limited the primary productivity in lake while nitrogen in ocean, but recent studies showed that phosphorus limited the phytoplankton growth in the specific coastal waters, results also indicated that phytoplattkton could utilize dissolved organic phosphorus(DOP)and alkaline phosphatase(AP)played an important role in the utilization of DOP. However, the variation and controlling mechanism of AP are stiV poorly understood. The present study focused on the effects of different species of dissolved phosphorus on the variation of AP in algal batch culture. The results showed that variation of alkaline phosphatase activity (APA) was closed to "S" curve, different species of dissolved phosphorus had different effects on APA. The concentrations of dissolved inorganic phosphorus and small molecular dissolved organic phosphorus had a significant effect on APA, while the concentration of large molecular dissolved organic phosphorus (LDOP) has little effect on APA, but the increasing of APA could accelerate the decomposing of LDOP in the medium. Results also showed that algae species and abundance had little effect on APA.
- Alkaline phosphatase activity,
- phosphorus,
- microalgae,

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References(15)

References

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