Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of <i>Phaeocystis antarctica</i>

Yang Hefu; G O Kirst; M Baumann; L Riegger

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Yang Hefu, G O Kirst, M Baumann, L Riegger. Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of Phaeocystis antarctica[J]. Haiyang Xuebao, 1998, 20(5): 101-108.

Citation:

Yang Hefu, G O Kirst, M Baumann, L Riegger. Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of Phaeocystis antarctica[J]. Haiyang Xuebao, 1998, 20(5): 101-108.

Yang Hefu, G O Kirst, M Baumann, L Riegger. Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of Phaeocystis antarctica[J]. Haiyang Xuebao, 1998, 20(5): 101-108.

Citation:

Yang Hefu, G O Kirst, M Baumann, L Riegger. Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of Phaeocystis antarctica[J]. Haiyang Xuebao, 1998, 20(5): 101-108.

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Effect of ultraviolet-B radiation on the DMSP synthesis and DMS release of Phaeocystis antarctica

1.
Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012
2.
Universit fü Bremen, FB2, Meeresbotanik, 28334 Bremen, Postfach 330440, Germany
3.
Alfred-Wegener-lnsitut fü Polar-und Meeresforschung, 27515 Bremerharven, Postfach 120161, Germany

Received Date: 1996-12-20
Rev Recd Date: 1997-01-15

Abstract

Abstract

Abstract-Under different UV light conditions,the cells growth rate,Chl a,dimethylsulfoniopropionat (DMSP)content and dimethysulfide(DMS)releases of Phaeocystis antarctica were determined and showed that ultraviolet (UV-B) inhibit cells growth rate and Chl a. The high capability of cleaved DMSP to DMS and acrylic acid may be caused by UV-B radiation,UV-A inhibits DMSP synthesis. Phaeocystis antarctica is widely distribution in polar water and forms massive near surface blooms in the marginal ice edge zone around Antarctica during spring and summer. A large amount of DMS was released during Phaeocystis antarctica bloom. It is likely significantly that the masses of DMS released in polar water could be relative to the effect of UV-B irradiation from stratospheric ozone depletion.
- UV,
- DMSP,
- DMS,
- Phaeocystis antarctica

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References(20)

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