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引用本文:秦晓明,邹景忠.N,P,Fe-EDTA,Mn对赤潮生物锥状斯氏藻增殖影响的初步研究.海洋与湖沼,1997,28(6):594-598.
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N,P,Fe-EDTA,Mn对赤潮生物锥状斯氏藻增殖影响的初步研究
秦晓明, 邹景忠
中国科学院海洋研究所 青岛 266071
摘要:
于1994年7月在胶州湾北岸上马镇小4#虾池采集了锥状斯氏藻,采用正交实验的方法研究了N,P,Fe-EDTA,Mn4个因子对它生长的影响。结果表明,Fe-EDTA和Mn对该藻的生长有显著促进作用,N有一定的促进作用,其主次因素为Mn>Fe-EDTA>NO3-N>PO4-P。
关键词:  赤潮  锥状斯氏藻      络合铁  
DOI:
分类号:
基金项目:国家自然科学基金!39790110;国家攀登计划B资助!PDB6
附件
STUDY ON THE EFFECTS OF N, P, Fe—EDTA, Mn ON THE GROWTH OF A RED TIDE DINOFLAGELLATE SCRIPPSIELLA TROCHOIDEA
Qin Xiaondng, Zou Jingzhong
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071
Abstract:
Red tide dinoflagellate Scrippsiella trochoidea was sampled from a shrimp pond at Shangma located on the north coast of Jiaozhou Bay in July 1994 and grew within a batch culture system. An orthogonal designing method was used to study the effects of N, P, Fe-EDTA and Mn on the growth of S. trochoidea. The experiment consisted of sixteen groups, for which we selected four levels for N, P and Fe-EDTA, and two levels for Mn respectively. We analyzed the variance for cell density, growth rate and generation time. The result shows that Mn, Fe-EDTA and NO3-N remarkably enhance the maximum cell density and growth rate of S. trochoidea. PO4-P does not apparently affect its maximum cell density, but has a positive effect on the growth rate. All the four factors have strong effects on the generation time of S. trochoidea. It is concluded that Mn has the most remarkable enhancing effect on the growth of S. trochoidea. The effecting order is Mn > Fe-EDTA > NO3-N > PO4-P. Comparing the result obtained in the present study with those from previous studies elsewhere, it appears that S. trochoidea has a large storage capacity for P but has no such a capacity for Mn.
Key words:  Red tide, Scrippsiella trochoidea, Nitrogen, Phosphorus, Chelate iron, Manganese
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