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舞阳河硅藻生物的多样性 被引量:5

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摘要 通过对舞阳河底栖硅藻的采样调查,分析了舞阳河流域底栖硅藻的多样性和空间分布特征,并探讨了硅藻优势种与环境因子的关系。结果表明,本次采样共检出底栖硅藻27属528种(包括亚种和变种)。藻类分布从下游到上游呈现出一定的规律,舞阳河以曲壳藻属(Achnanthes)为主且其所占比例较大。通过相关性分析结果可知,曲壳藻属的相对丰度与水体的总磷含量、电导率有很强的相关性。作为优势属,曲壳藻属可进一步发展为舞阳河水质状况进行监测的指标。
机构地区 贵州师范大学
出处 《江苏农业科学》 北大核心 2014年第3期319-323,共5页 Jiangsu Agricultural Sciences
基金 国家自然科学基金(编号:41062005 30560011) 贵州省科技基金(编号:黔科合外G字[2012]7023) 贵州省科技厅科技支撑计划(编号:黔科合SY字[2012]3178) 贵州师范大学研究生专项创新基金[编号:研(2012)15]
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