A preliminary study on influence of N and P on population constituent of planktonic diatoms in seawater

Abstract

Abstract: Experiment was conducted to study the influence of N and P on population constiuent of planktonic diatoms in seawater.The concentrations of N and P and their ratios might significantly affect the population constituent of planktonic diatoms in seawater,the more the concentrations of N and P and the bigger the N/P ratio to Redfield ratio,the less the species of planktonic diatoms and Shannon's index.The experimental result was verified in the investigation from shrimp culturing ponds.

Key words: Planktonic diatoms, Nutrients, Population constituent, Nitrogen, Phosphorous

QU Keming, CHEN Bijuan, YUAN Youxian, XIN Fuyan. A preliminary study on influence of N and P on population constituent of planktonic diatoms in seawater[J]. Chinese Journal of Applied Ecology, 2000, (3): 445-448.

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