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湖泊科学  2001 

浅水湖泊中沉积物碱性磷酸酶动力学参数的分布

DOI: 10.18307/20010310

Keywords: 沉积物,碱性磷酸酶,分布,浅水湖泊

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Abstract:

东湖沉积物磷酸酶在较高的pH范围内表现出较高活性,故为碱性磷酸酶.东湖与严西湖沉积物中碱性磷酸酶的动力学参数表现出明显的空间异质性,且与间隙水和表层水中正磷酸根浓度无明显的对应关系.此外,它们在垂直方向上亦极具变化,除在沉积物表面显示较高催化效率之外,较深层面(约距表面8-12cm)亦有类似峰值,这一结果补充说明了湖泊沉积物磷循环的另一活跃区域以及相应的生物化学机制.

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