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(Springer) Small streams make up 70-80 percent of the total channel length of river networks, and they strongly influence downstream portions these networks. The role small streams -- known as headstreams -- play in retaining or transmitting sediment and nutrients, providing habitat and refuge for diverse aquatic and riparian organisms, creating migration corridors, and governing connectivity at the watershed-scale is the subject of a review by Ellen Wohl of Colorado State University in the US.
Original Article: Small streams have a big influence on our livesNEXT ARTICLE
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...