Nature-like fishways are designed to imitate the characteristics of natural streams, thereby providing both fish passage and habitat for a variety of aquatic organisms.
Scientists say that most natural streams or creeks have disappeared.
Planners wrangled natural streams into (eventually) rusty pipe systems.
By the 16th century canal building was being widely used in Europe to integrate waterway systems based on natural streams.
The channeling of "industrial sewage into domestic wastewater networks and natural streams exerts pressure on existing wastewater treatment infrastructure," the report said.
There are beautiful views of surrounding green forests and natural streams to cross, plus a striking view of the mountains on the longest gondola lift in the world.
All natural streams contain varying amounts of dissolved and suspended matter, although streams issuing from undisturbed watersheds are ordinarily of high quality.
Mr. Irwin said he wanted different water sounds at each of the five bridges crossing the path, so he spent long hours listening to natural streams and observing how sounds changed depending on the way water flowed.
