Humans have a long-standing relationship with water. Through 95739

Humans have a long-standing relationship with water. Throughout history, watercourses have provided drinking water, transportation, energy, and a means to dispose of waste, and thus it is not a great surprise that nearly all major cities are built on river corridors, lakes, or oceans. The small streams within settlements have served as important sources of water and a source of aquatic plants and animals. Urban watercourses, however, quickly become highly polluted through human activity. They have been used for sewage disposal and the disposal of harmful industrial waste, and many urban streams and rivers have been covered over and diverted into sewers. The idea of reclaiming urban streams emerged in force during the 1970s and is well summarized in the landmark paper by Nelson Nunnally, “Stream Renovation: an Alternative to Channelization”. Nunnally saw streams as open hydraulic systems and treated them as potential assets to neighbourhoods rather than as problems to be managed or paved over. Although follow-up studies are incomplete and site specific, once stream daylighting is completed, stream neighbours tend to agree that daylighting creates an asset. A study of Strawberry Creek and Baxter Creek in California, two early examples of daylighting, showed increased land values and general good opinion of the creeks. Related research supports such a conclusion in that proximity to green areas and waterways are perceived as beneficial.


Environments: A journal of interdisciplinary studies.

According to the text above, judge the following item.

The author claims that small watercourses are less affected by human activity than large ones.

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