Ammonium uptake and regeneration fluxes of the microplankton communities in Jiaozhou Bay

Jiao Nian-zhi; Wang Rong

doi:10.1007/BF02850515

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Ammonium uptake and regeneration fluxes of the microplankton communities in Jiaozhou Bay

Updated：2023-05-16

- Ammonium uptake and regeneration fluxes of the microplankton communities in Jiaozhou Bay
- Journal of Oceanology and Limnology Vol. 12, Issue 2, Pages: 165-174(1994)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02850515
  CLC：
- Published：1994
- Accepted：
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Nian-zhi, J., Rong, W. Ammonium uptake and regeneration fluxes of the microplankton communities in Jiaozhou Bay., Chin. J. Ocean. Limnol. 12, 165–174 (1994). https://doi.org/10.1007/BF02850515
DOI：

Nian-zhi, J., Rong, W. Ammonium uptake and regeneration fluxes of the microplankton communities in Jiaozhou Bay., Chin. J. Ocean. Limnol. 12, 165–174 (1994). https://doi.org/10.1007/BF02850515 DOI：

摘要

Abstract

The results from four cruises (Nov. 1991–Jul. 1992) to examine fluxes of ammonium uptake and regeneration in the surface layer of Jiaozhou Bay are presented. Seasonal variations of the two fluxes were in the order

summer>spring>autumn>winter. Diel patterns were characterized by higher uptake in the daytime and higher regeneration at night. Averaged uptake and regeneration fluxes on an annual scale were 0.073 and 0.053 μmol·L−1·h−1 respectively. Regeneration fluxes were always less than uptake fluxes throughout the year. The longest turnover time was 16.34 d (in winter)

and the shortest one was 0.68 d (in summer). The major uptake flux was contributed by the smallest fraction-picoplankton. The extents of light-dependence of ammouium uptake by different size fractions were in the order: netplankton>nanoplankton>picoplankton.

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references

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