大型海藻孔石莼抑制浮游微藻生长的原因初探——种群密度及磷浓度的作用

被引:15
作者
南春容
董双林
机构
[1] 中国海洋大学教育部海水养殖重点实验室
关键词
孔石莼; 浮游微藻(亚心形扁藻); 磷; 种群密度;
D O I
10.16441/j.cnki.hdxb.2004.01.009
中图分类号
X52 [水体污染及其防治];
学科分类号
0815 ;
摘要
本文以磷浓度和种群密度为变量 ,以亚心形扁藻为浮游微藻代表 ,采用实验生态学手段研究了大型海藻孔石莼与浮游微藻 (亚心形扁藻 )间的竞争。结果显示 ,不论营养盐浓度如何 ,高密度的孔石莼皆能显著抑制浮游微藻的生长。分析显示 ,高密度的孔石莼压制浮游微藻生长的原因 ,不是由于对氮、磷等营养盐的竞争所致 ,而可能是其他原因所致。
引用
收藏
页码:48 / 54
页数:7
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