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pH值对淡水藻类生长和种类变化的影响

Keywords: pH,,水族箱微宇宙,固碳,优势种

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Abstract:

利用水族箱微宇宙研究了淡水藻类在不同pH下的生长和种类变化。结果表明,在pH8.0~pH9.5的范围内,pH8.5下藻类生长状况最好,pH9.5下生长最差;试验范围内蓝藻占绝对优势,但不同处理间种类差别不明显;蓝藻中湖泊鞘丝藻对pH适应范围最广,皮状席藻偏好pH8.5以上的环境;pH8.5的水体固碳能力最强,酸碱度稳定性最高,人为改变pH会使藻类生长受到抑制。

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