In particular, the study suggests revising the Water Quality Guideline for chloride, especially for lakes near winter - maintained roads on the Canadian Shield that tend to have very low nutrient levels. (sciencedaily.com)
For most of the last 2.6 million years, the cold temperatures and low nutrient levels of the Arctic have deterred fish species from crossing between the Pacific and Atlantic oceans. (carbonbrief.org)
Other techniques may also provide some use, as they focus on underlying factors that can contribute to the symptoms, such as low nutrient levels, oxidative stress, and neurotransmitter deregulation. (progressivehealth.com)