Likens G E, Bormann F H, Johnson N M
Science. 1969 Mar 14;163(3872):1205-6. doi: 10.1126/science.163.3872.1205.
The nitrate concentration (weighted average) in stream water from an experimentally deforested watershed increased from 0.9 milligram per liter before removal of the vegetation to 53 milligrams per liter 2 years later. This nitrate mobilization, presumably due to increased microbial nitrification, was equivalent to all of the other net cationic increases and anionic decreases observed in tae drainage water.
来自一个经实验性砍伐森林的流域的溪水中硝酸盐浓度(加权平均值)从植被移除前的每升0.9毫克增加到两年后的每升53毫克。这种硝酸盐的迁移,推测是由于微生物硝化作用增强所致,相当于在排水中观察到的所有其他阳离子净增加量和阴离子净减少量。