Abstract
Nine enclosures (5 m × 5 m) were built in a Fenneropenaeus chinensis culture pond of Rushan Gulf in April, 2001. The probiotics and BIO ENERGIZER solution were applied for disparate treatments. Variations of alkaline phosphatase activity (APA) and its relationship with the contents of C, N and P in sediments were studied. Results show that APA of sediments increases from 3.096 nmol g−1min−1 to 5.407nmol g−1min−1 in culture period; the bacteria biomass is not the only factor to determine APA; the contents of total P and total organic carbon have a significant positive correlation with APA, while that of total nitrogen has a negative correlation. In addition, the contents of inorganic P and organic P are not regular with APA. By comparison, TOC shows a more significant coherence with APA, meaning that organic pollution in sediments affects APA remarkably.
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Su, Y., Ma, S. & Dong, S. Variation of alkaline phosphatase activity in sediments of shrimp culture ponds and its relationship with the contents of C, N and P. J Ocean Univ. China 4, 75–79 (2005). https://doi.org/10.1007/s11802-005-0027-1
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DOI: https://doi.org/10.1007/s11802-005-0027-1