An in situ colonisation experiment in the River Garonne Francee) in August 2009 sought to obtain natural river biofilms exhibiting differentiated architecture.
A natural river port, it became an important transportation and sawmilling centre and was reached by rail in 1858.
A former poet laureate of Alaska, he revels in the natural: river otters and Arctic char, sedge wrens and yellow warblers, witch hazel and the wolves of Denali.
Buluowan, meaning "echo", is a magical place, a natural river terrace surrounded by the almost vertical heavily wooded cliffs that the Taroko made their home.
McEwan, an inaugural graduate of UEA's acclaimed creative writing course, told the Guardian: "UEA is privileged to be sited along the most beautiful natural river valley in Norfolk.
The first was natural river water, which carried lead isotopes originally from the Apennines and volcanic rock in the Alban hills south-east of Rome.
But it will help the fish and the birds, in part by restoring habitat, in part by mimicking the seasonal heartbeat of a natural river.
"It will take a while," Mr. Mayland said, "but you could see a much more natural river in the next five to 10 years".
Instead, the Dach Reed project is planning to expand the use of reeds as a natural river cleaner, absorbing nitrogen, phosphorous and other pollutants from nearby waterways.
Aggregate used was dry and clean, natural, river aggregate.
A control sample was made up of natural river sand generally used for concrete mix proportioning.
