Reducing Phosphorus to Curb Lake Eutrophication is a Success
Reducing Phosphorus to Curb Lake Eutrophication is a Success
复制标题
DOI：
10.1021/acs.est.6b02204
复制
发表时间：
2016-09-06
影响因子：
11.4
通讯作者：
Orihel, Diane M.
中科院分区：
文献类型：
--
作者：
Schindler, David W.;Carpenter, Stephen R.;Orihel, Diane M.
随着人口的增加和土地使用的加剧，有毒和难看的藻类水华在淡水湖泊中变得越来越大，越来越频繁。在大多数情况下，水华主要是蓝绿藻（蓝藻），这是有利于低比例的氮磷。在过去的半个世纪里，水产科学家们投入了大量的精力来了解这种水华的原因以及如何防止或减少它们。在这里，我们回顾了证据，发现欧洲和北美湖泊生态系统的许多长期研究表明，控制藻华和其他富营养化症状，取决于减少单一营养素的输入：磷。相比之下，短期的小规模实验，即添加营养物而不是去除营养物，通常会给出虚假和令人困惑的结果，这些结果与解决湖泊中蓝藻水华的问题几乎没有关系。
As human populations increase and land-use intensifies, toxic and unsightly nuisance blooms of algae are becoming larger and more frequent in freshwater lakes. In most cases, the blooms are predominantly blue-green algae (Cyanobacteria), which are favored by low ratios of nitrogen to phosphorus. In the past half century, aquatic scientists have devoted much effort to understanding the causes of such blooms and how they can be prevented or reduced. Here we review the evidence, finding that numerous long-term studies of lake ecosystems in Europe and North America show that controlling algal blooms and other symptoms of eutrophication, depends on reducing inputs of a single nutrient: phosphorus. In contrast, small-scale experiments of short duration, where nutrients are added rather than removed, often give spurious and confusing results that bear little relevance to solving the problem of cyanobacteria blooms in lakes.